introduction, nowadays, majority, information, exists, digital, professional, personal, creation, storage, communication, moreover, less, activities, printed, generations, digitally, basic, knowledge, advantage, technologies, completely, tangible, procedures, assumed, specifically, addressing, documentation, created, existing, handwritten, documents, archiving, backup, process, scanned, converted, easier, convenient, duplicated, stored, locations, avoid, data, loss, crucial, issue, regarding, integrity, document, performing, actions, forged, vulnerable, manipulation, therefore, unalterable, character, formats, consider, deciding, portable, format, currently, considered, secure, consequently, trusted, storing, exchanging, mainly, unchanging, transformed, regardless, software, operating, system, originated, nevertheless, alterations, viewers, relevant, referring, evidence, presented, trials, admissibility, clearly, conditioned, veracity, origin, content, unfortunately, pdfs, widely, manipulated, malware, embedding, forgery, incredibly, forensic, professionals, ensuring, detection, actual, contribution, forensics, analysed, efficient, encompasses, effective, method, aimed, detecting, investigating, source, code, firstly, contextualized, digitisation, focusing, specifies, analysis, practices, comply, straightaway, focus, interest, strolling, types, finishing, anatomy, essential, basis, syntax, structure, furthermore, mastering, internals, manual, manipulations, performed, forgeries, usual, illustrate, vulnerabilities, providing, us, understanding, logic, followed, formation, dived, main, outcome, effectively, investigate, analyse, ensure, proving, determining, effectiveness, validation, carried, materials, provided, eesti, kohtuekspertiisi, instituut, digitised, define, converting, analogue, sequence, zeros, conform, readable, computers, proliferation, computer, networks, continues, multiple, benefits, particularly, stressing, accessibility, availability, conservation, linking, networking, duplicating, possibilities, improvement, efficiency, advantages, mentioned, economic, growth, impact, reducing, unemployment, improving, quality, common, corresponds, scanning, physical, creates, challenges, criminal, harsh, detect, contracts, agreements, cheques, felonious, adapting, crime, era, vogue, example, stated, relevance, currency, jumping, specific, concepts, handling, addressed, signatures, paperless, traditional, obsolete, current, lifestyle, processes, inefficient, delaying, scan, solve, problem, mechanism, signature, consists, belonging, entity, private, available, hash, encrypted, timestamp, added, verification, calculated, decrypted, result, operation, compared, previously, proved, protocol, called, shown, validity, certificate, authority, issuer, proven, highly, adopted, practice, prevail, future, methods, provoke, considerable, natural, resources, notable, achieved, traditionally, signed, mechanisms, transition, entire, bureaucracy, infrastructure, potential, address, scientific, working, explicative, recommendations, collecting, analysing, resides, scope, thesis, according, examiners, appropriately, trained, petitioner, necessary, examination, determined, legal, conducting, original, using, image, appropriate, standards, control, perform, logically, systematically, complying, organisational, policy, contain, details, examiner, exactly, obtain, results, independently, repeatable, findings, delivered, understandable, non, technical, properly, include, pertinent, acquisition, purpose, additional, related, provide, detailed, description, examined, reviewed, competent, checked, trial, procedure, involved, department, justice, issued, enforcement, enlighten, discussed, conducted, extraction, former, includes, recovery, device, latter, interpretation, objective, approaches, depending, requests, timeframe, link, events, occurred, timeline, timestamps, modification, accessed, within, hiding, exhaustive, reveal, concerns, highlighted, remarkable, aspect, compressed, encoded, specially, steganography, metadata, context, modified, etc, ownership, possession, conditions, identifying, relative, managed, proceed, demonstrating, truthful, decisive, definition, indicates, intended, maintain, appearance, presenting, simply, viewing, program, presentation, composed, fixed, layout, text, graphics, display, interoperability, prime, creating, extensively, american, adobe, systems, incorporated, specialises, editing, multimedia, images, videos, greatest, achievements, postscript, laser, printers, origins, project, camelot, leaded, john, warnock, adobes, cofounder, sought, universal, communicate, electronically, later, acrobat, viewer, editor, released, industries, across, variety, configurations, viewable, printable, modern, solved, fundamental, joint, specification, freely, download, install, lower, layers, differs, considerably, improvements, additions, included, versions, [see, appendix, browser, plugin, increased, popularity, internet, possibility, encryption, feature, security, assurance, integration, microsoft, transform, editable, consistently, presentable, functionality, ability, introduce, javascript, mischievously, exploited, embed, malicious, attackers, opener, execute, release, version, significant, introduced, object, info, concept, extensible, broadened, inclusion, upgrade, mention, enhancement, cross, reference, retrieval, although, innovative, commenting, support, official, standard, milestone, developers, wished, experiment, proprietary, planned, mid, specifications, satisfy, healthcare, sharing, online, looking, type, restricted, features, audio, video, architects, copes, creative, graphic, designers, readiness, based, components, addition, allowing, customisation, access, disabilities, contains, technology, assists, users, navigation, immerse, depths, investigation, constructed, structured, secured, section, retrieved, extensive, achieving, overview, boolean, null, normally, correspond, objects, integers, existent, represented, insert, confine, altogether, literal, delimited, parentheses, characters, hexadecimal, angle, brackets, digits, defined, equivalent, examplestring, interchange, maximum, bytes, represent, portions, consist, dictionary, explained, chapter, normalized, entries, filter, endstream, dctdecode, identify, refer, preceded, slash, arrays, ordered, elements, unidimensional, array, require, exname, exstring, dictionaries, associate, element, unique, importance, frequency, basically, joining, relating, indirect, linked, assigned, generation, positive, necessarily, sequential, incremented, updated, labels, obj, endobj, divided, areas, header, stating, references, locate, label, xref, subsections, subsection, objs, offset, increases, freed, [f, n], [obj, [n, objs], [offset, [gen, reused, saying, needed, initially, exist, appended, containing, trailer, startxref, integer, required, referencing, catalogue, encrypt, refers, prev, previous, consisting, unencrypted, byte, identifier, accessing, decrypting, interpret, starting, encounter, corresponding, specified, incremental, updates, modifications, imply, rewriting, preserving, appending, intact, update, changed, deleted, trailers, indicating, defines, techniques, declared, attributes, optional, keywords, creator, producer, creationdate, moddate, trapped, sample, tex, pdftex, special, drawn, yyyymmddhhmmss, deviation, labelling, technique, organised, markup, standardized, resistant, properties, schemas, predefined, customized, packet, embedded, indirectly, referred, id, xpacket, attribute, unicode, zero, width, nonbreaking, maker, vary, schema, dublin, core, dc, prefix, padding, extended, affect, writeable, endw, density, subtype, rdf, seq, li, existence, series, hierarchically, sorted, contents, displayed, easily, nodes, intermediate, directly, sections, chapters, organise, construction, node, specifying, immediately, hanging, descendant, specify, characteristics, omitted, inheritable, inherit, referenced, correspondence, compression, user, sequences, chunks, occupy, conformed, transfer, compressing, decoding, simplified, decoders, asciihexdecode, retrieve, binary, lossless, filters, requirements, flate, adaptive, variablelength, zip, huffman, coding, compress, produce, output, reduces, slower, performance, principle, operate, approaching, representation, differencing, shorter, describing, samples, predictor, functions, generally, runlength, fax, compressions, oriented, monochrome, per, pixel, decoder, translates, repetitions, homogeneity, bitmap, overtaken, colour, grey, decodes, evolution, encoding, lossy, obtained, decompression, inserted, xobject, regular, inline, treated, opened, supports, functionalities, apis, distributed, email, mass, spamming, including, websites, entering, infect, lempel, ziv, welch, comit, consultatif, international, lphonique, et, lgraphique, coordinating, committee, telephony, telegraphy, telecommunications, union, bi, experts, organization, standardization, discrete, cosine, photographic, bypass, evade, applied, cascade, harder, decompress, serves, interprets, executes, possess, executed, peepdf, various, shellcode, dumper, separately, interacting, scratching, topic, purposes, inspection, investigations, defender, copyleft, selection, criteria, contributed, thorough, itext, developer, toolkit, enhance, integrate, applications, owned, java, manage, create, interact, automatise, documenting, utility, updating, inspect, explore, visualize, hierarchy, relations, expand, bonds, intuitive, visualisation, detail, explored, comment, qpdf, perl, capabilities, linearize, decrypt, affero, license, graphical, interface, structurally, understood, dealing, mode, valid, numerical, decoded, normalised, comments, identified, python, provides, interests, command, modifying, py, [target_filename], isolating, clarify, benefit, xpdf, simplify, executables, pdfimages, pdftotext, pdfdetach, extremely, facilitate, obfuscated, headers, detects, modify, upload, decode, concretely, initial, tampered, increasing, frequent, manipulate, research, proposed, successful, scanner, sources, determine, statistical, imaging, sensor, pattern, fingerprint, closer, refined, constructing, patterns, model, training, lastly, identifies, regions, positions, imperfection, concluding, accuracy, greatly, commit, errors, trying, departing, wondered, apply, principles, processing, identification, scanners, digitise, variations, texture, quantified, extract, english, vectors, classify, classifier, tamper, committed, similar, printing, copying, printer, distinguish, produced, inkjet, electrostatic, copiers, commonly, extracted, energy, contour, roughness, average, gradient, region, recent, focuses, examine, computermanipulated, photoshop, deleting, adding, picasa, disturbances, irregular, spacing, discrepancies, font, uniformities, described, encouraging, suggest, bypassed, instance, pasting, consistent, recently, counteract, combining, optical, recognition, parameters, tested, varying, testing, metrics, segments, separating, input, final, decision, authenticity, vector, islamic, university, gaza, proposes, pixels, proposing, alternative, arabic, intensity, exclusively, thinking, poses, whether, rotation, alignment, proposal, automated, approach, verifying, usefulness, preparation, imageprocessing, applying, inalterable, viewed, practical, statement, covered, ease, arduous, employed, revealed, saved, proof, selecting, belief, approachable, issues, profound, theoretical, interaction, attacking, reside, mastered, tackle, careless, composition, efficiently, detected, limitations, limited, narrowed, objectives, typical, obvious, usually, manually, tackled, defining, threat, profile, covering, manipulator, advanced, skills, deletions, presumed, medium, investment, skilfulness, experiments, undetectable, discovered, answering, familiar, behaviour, advantageous, pdf, watermark_txt, watermark_only, watermarks, sig_sc_sample, carrying, readjustment, locates, implies, total, recalculated, adjustment, conformance, processed, examining, notepad, hxd, exiftool, interpreter, adjust, anomalies, maintained, changing, manipulating, unnoticeable, replace, interpreted, placed, verified, adjusted, offsets, recognises, verifies, xrefsteam, ekspert, anonymousexpert, wordkey, indicated, differ, investigated, edited, wanted, damaging, generate, vice, versa, phase, located, replaced, delete, entry, recognised, replacing, confirm, correctness, involving, replacement, extracting, successfully, navigate, locating, selected, jpeg, extension, page_img, opening, rotated, clockwise, inserting, copied, pasted, adjusting, unbalances, alright, deformed, independent, complications, flatedecode, encountered, commands, distribution, minimal, utilised, performs, adjustments, relatively, deletion, indicate, easiest, option, tj, overlapping, watermarking, resource, copyright, protection, illegal, appropriation, watermark, translated, keeping, extreme, removed, coordinates, difficult, crossreference, automatically, discovering, twisting, deeper, pushing, limits, answered, external, themselves, target, studied, assumptions, developed, helping, investigators, targeted, beforehand, category, suspected, hesitation, genuine, affirmation, acknowledging, contrary, contrasted, comparing, reflected, hypothesis, concerning, observe, expecting, suspicion, noticed, absence, involve, brand, marked, identical, altered, mediabox, boundaries, catalog, colorspace, devicergb, bitspercomponent, cm, rotate, recognise, representing, represents, descriptive, position, tend, complete, normalise, conversion, priori, xrefstem, compatibility, supported, basefont, helvetica, winansiencoding, hexadecimal], hybrid, interoperable, structtreeroot, combinations, considering, extgstate, rendered, procset, blackwhite, unlike, texts, indication, finding, imageb, imagec, imagei], tm, [wo, rd, fil, xrefstm, layouts, conclusions, assume, impressions, repeatedly, pointed, contrasting, accurate, co, depth, contrast, [target_file], apparently, extractions, attached, [output_base_filename], default, output_base_filename, filename, img, named, [output_filename], comparison, basing, discoveries, verify, combine, advance, deduced, phases, flowcharts, clarified, matching, established, unidentified, mapped, suitable, options, isolate, suspicious, evaluated, evaluate, suitability, flowchart, inna, ivask, expert, validating, subjected, ninth, illustrative, summary, evaluation, posed, normalize, nomenclature, alphabetical, sorting, mapping, captured, rectangular, unusual, separated, profiles, thumbnails, dimensioning, attachments, utilities, expected, colours, inverted, layer, guiding, establish, positioning, respectively, coincides, pieceinfo, product, clues, excessive, lacks, continuous, conclude, differed, selectable, pdfcreator, ghostscript, translate, correctly, formed, realise, compatible, suspect, clue, missing, lisatud, uus, media, smask, associated, normal, residing, filled, subsquently, consequence, resemblance, xobjects, determinate, coincide, observed, observable, roman, visible, whatsoever, compilation, typically, assess, elaborated, expressed, evidences, resemblances, similarities, compact, atypical, negative, brief, decisions, aspects, actually, appeared, suggested, probably, exporting, looked, negatives, doubt, resembled, leading, capable, commented, lack, nature, verifiable, highlight, trustable, slightest, unlikely, mentioning, forgers, resort, validations, complex, convoluted, uncertain, formal, usability, effort, communicating, involves, efforts, solution, generalised, ensured, confirmed, intricacy, difficulty, arduousness, ruining, totally, lawful, concern, regards, complexity, percentage, detectable, resulted, minimum, malleable, replaceable, tough, invisible, imperceptible, directed, prevent, happening, combination, absolute, individuals, larger, higher, subsequent, gathered, generalisation, responding, perfecting, success, decided, outrageous, strategies, flaws, automation, tedious, inconvenient, manner, caused, solid, studying, untraceable, detrimental, pose, automatised