Malicious PDF — malware analysis report

Static analysis result for SHA-256 0a59239f3e2872e9…

MALICIOUS

PDF

42.6 KB Created: 2018-12-15 08:10:54 +03:00 Authoring application: Adobe Illustrator CS2 (via Adobe PDF library 7.77)
MD5: 6c5a4892a6f367980fecb10b60811732 SHA-1: 780ce46a767820b61fc5b45f07345c6e968a418e SHA-256: 0a59239f3e2872e9246c5d1e20d6247349ab37c1fb0b70f8749e02573b45b360
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by a machine learning classifier and contains a large number of external links, indicating a potential link farm or SEO manipulation tactic. The embedded URLs point to various PDF documents hosted on the same domain, suggesting a coordinated effort to distribute content or redirect users. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9181

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/oral-pathology-for-students-scandinavian-university-books.pdf
    • http://www.gorillawalker.com/e-progress-notes-from-the-field.pdf
    • http://www.gorillawalker.com/a-love-of-vengeance-wanted-men-book-1-unabridged-audible.pdf
    • http://www.gorillawalker.com/fires-of-invention-mysteries-of-cove.pdf
    • http://www.gorillawalker.com/motion-picture-photography-a-history-1891-1960-paperback.pdf
    • http://www.gorillawalker.com/j-s-bach-s-major-works-for-voices-and-instruments.pdf
    • http://www.gorillawalker.com/psychiatry-and-the-cinema-second-edition.pdf
    • http://www.gorillawalker.com/sister-days-365-inspired-moments-in-african-american-women-s.pdf
    • http://www.gorillawalker.com/tales-of-the-hasidim.pdf
    • http://www.gorillawalker.com/play-doh-halloween-play-doh-fun.pdf
    • http://www.gorillawalker.com/glimpses-of-jewish-baltimore.pdf
    • http://www.gorillawalker.com/extreme-mods-handbook-the-unofficial-minecraft-mod-guide-to-the.pdf
    • http://www.gorillawalker.com/the-grandes-dames.pdf
    • http://www.gorillawalker.com/letters-to-a-friend-written-to-mrs-ezra-s-carr.pdf
    • http://www.gorillawalker.com/the-vietnam-war-interpreting-primary-documents.pdf
    • http://www.gorillawalker.com/how-professional-gamblers-beat-the-pro-football-pointspread.pdf
    • http://www.gorillawalker.com/how-to-read-the-gospels-answers-to-common-questions.pdf
    • http://www.gorillawalker.com/rio-de-sangre.pdf
    • http://www.gorillawalker.com/library-2-0-and-beyond-innovative-technologies-and-tomorrow-s.pdf
    • http://www.gorillawalker.com/colloquial-french-2-the-next-step-in-language-learning-colloquial.pdf
    • http://www.gorillawalker.com/composting-abbie-a-whale-of-a-story.pdf
    • http://www.gorillawalker.com/earthsong-spanish-edition.pdf
    • http://www.gorillawalker.com/the-dark-side-of-the-felt.pdf
    • http://www.gorillawalker.com/physics-for-scientists-and-engineers-foundations-and-connections-advance-edition.pdf
    • http://www.gorillawalker.com/moving-in-on-pain-conference-proceedings-april-1995-1e.pdf
    • http://www.gorillawalker.com/make-s-selling-dirty-old-mugs-and-teacups-on-ebay.pdf
    • http://www.gorillawalker.com/fade-in.pdf
    • http://www.gorillawalker.com/branch-lines-around-portmadoc-1923-46.pdf
    • http://www.gorillawalker.com/los-milagros-de-nuestra-se-ora-obras-completas-2-vol.pdf
    • http://www.gorillawalker.com/a-word-in-a-star-eit-ord-i-ei-stjerne.pdf
    • http://www.gorillawalker.com/stress-test-reflections-on-financial-crises-kindle-edition.pdf
    • http://www.gorillawalker.com/revenue-law-principles-and-practice-thirty-first-edition-revenue-law.pdf
    • http://www.gorillawalker.com/geomorphology-and-general-systems-theory.pdf
    • http://www.gorillawalker.com/so-mote-it-be-circle-of-three-1.pdf
    • http://www.gorillawalker.com/decompression-sickness-the-biophysical-basis-of-prevention-and-treatment-v.pdf
    • http://www.gorillawalker.com/ebay-s-secrets-revealed-the-insider-s-guide-to-advertising.pdf
    • http://www.gorillawalker.com/beyond-beginners-advanced-soapmaking-for-the-rest-of-us-beyond.pdf
    • http://www.gorillawalker.com/outposts-journeys-to-the-surviving-relics-of-the-british-empire.pdf
    • http://www.gorillawalker.com/mr-apple-s-penny-candy-bus.pdf
    • http://www.gorillawalker.com/delphi-2007-handbook.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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