Malicious PDF — malware analysis report

Static analysis result for SHA-256 1111bbeb2c620f99…

MALICIOUS

PDF

43.8 KB Created: 2018-12-15 08:10:48 +03:00 Authoring application: Adobe Acrobat 10.1 (via Adobe Acrobat 10.1 Paper Capture Plug-in)
MD5: fb1c74d2762c1ff016a9bbdfa16afdb0 SHA-1: 4c158665070d8f6df93a07d430a31531c5d78e48 SHA-256: 1111bbeb2c620f99cb465f0e444c4141a2dbbdbce66c3cf228278d1d278bcc35
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged the document as malicious with high confidence. The embedded URLs likely serve to redirect users to potentially malicious websites or for SEO manipulation purposes.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9171

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://www.gorillawalker.com/mel-bay-darbuka-method-french-english-and-german-edition.pdf
    • http://www.gorillawalker.com/benjamin-disraeli-letters-1865-1867-letters-of-benjamin-disraeli.pdf
    • http://www.gorillawalker.com/mythic-astrology-internalizing-the-planetary-powers.pdf
    • http://www.gorillawalker.com/migrant-roma-and-post-colonial-youth-in-education-across-europe.pdf
    • http://www.gorillawalker.com/ethnic-minorities-in-nineteenth-and-twentieth-century-germany-jews-gypsies.pdf
    • http://www.gorillawalker.com/entertaining-the-slim-way.pdf
    • http://www.gorillawalker.com/cities-and-people-a-social-and-architectural-history.pdf
    • http://www.gorillawalker.com/brain-games-for-kids-2-brain-games-kids.pdf
    • http://www.gorillawalker.com/aliens-and-ufos-physical-psychic-or-social-reality.pdf
    • http://www.gorillawalker.com/the-ley-hunter-s-manual-a-guide-to-early-tracks.pdf
    • http://www.gorillawalker.com/popular-american-literature-of-the-19th-century.pdf
    • http://www.gorillawalker.com/cases-in-financial-engineering-applied-studies-of-financial-innovation.pdf
    • http://www.gorillawalker.com/some-records-of-the-early-friends-in-surrey-and-sussex.pdf
    • http://www.gorillawalker.com/nikon-d3100-digital-field-guide.pdf
    • http://www.gorillawalker.com/diary-of-jane-baldwin-smith-1867-with-letters-of-eva.pdf
    • http://www.gorillawalker.com/a-book-of-love-for-those-with-hepatitis-c-1a.pdf
    • http://www.gorillawalker.com/electromagnetic-transients-in-transformer-and-rotating-machine-windings.pdf
    • http://www.gorillawalker.com/zeebrugge-raid.pdf
    • http://www.gorillawalker.com/naturally-good-international-whole-food.pdf
    • http://www.gorillawalker.com/squires-knights-barons-kings-war-and-politics-in-fifteenth-century.pdf
    • http://www.gorillawalker.com/advanced-cue-ball-control-self-testing-program-break-through-reality.pdf
    • http://www.gorillawalker.com/spectre-of-the-sword-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/chemical-processes-for-a-sustainable-future-royal-society-of-chemistry.pdf
    • http://www.gorillawalker.com/the-encyclopedia-of-polymer-clay-techniques-a-comprehensive-directory-of.pdf
    • http://www.gorillawalker.com/scalp-hair-care-korean-edition.pdf
    • http://www.gorillawalker.com/montana-birds-a-folding-pocket-guide-to-familiar-species-pocket.pdf
    • http://www.gorillawalker.com/cat-logo-razonado-de-obras-an-nimas-y-seud-nimas.pdf
    • http://www.gorillawalker.com/mechanics-of-sediment-movement-sepm-short-course-notes-no-3.pdf
    • http://www.gorillawalker.com/linear-control-system-analysis-and-design-conventional-and-modern.pdf
    • http://www.gorillawalker.com/one-piece-vol-1-romance-dawn.pdf
    • http://www.gorillawalker.com/rocky-horror-picture-show-comic-book.pdf
    • http://www.gorillawalker.com/readings-in-marine-ecology.pdf
    • http://www.gorillawalker.com/digital-circuits-and-logic-design-problem-solving-guide-and-experimental.pdf
    • http://www.gorillawalker.com/prehospital-emergency-care-9th-edition-with-workbook.pdf
    • http://www.gorillawalker.com/gre-physics-test-flashcard-study-system-gre-subject-exam-practice.pdf
    • http://www.gorillawalker.com/el-secreto-de-j-manada-taylor-n-5-spanish-edition.pdf
    • http://www.gorillawalker.com/women-in-religion.pdf
    • http://www.gorillawalker.com/fracture-mechanics-3th-third-edition-text-only.pdf
    • http://www.gorillawalker.com/ap-comparative-government-and-politics-2015-review-book-for-ap.pdf
    • http://www.gorillawalker.com/maria-stuarda-full-score.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://www.aiim.org/pdfa/ns/extension/
    • http://www.aiim.org/pdfa/ns/schema#
    • http://www.aiim.org/pdfa/ns/property#
    • http://www.aiim.org/pdfa/ns/id/

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