Malicious PDF — malware analysis report

Static analysis result for SHA-256 672fa392c9393a65…

MALICIOUS

PDF

44.1 KB Created: 2019-03-16 14:37:12 +03:00 Authoring application: dvips(k) 5.993 Copyright 2013 Radical Eye Software (via GPL Ghostscript 9.07)
MD5: 27b253d320f38f9809d4d49d7a79a69f SHA-1: fc466390ae745a4f2c96052c3e81b86de42464f0 SHA-256: 672fa392c9393a65ad09438300f62dc97ddf1aa122e2d16b2d5272b697ad1161
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, as indicated by the 'PDF_SEO_LINK_FARM' heuristic. The ML classifier also flagged the document as malicious. While no scripts were explicitly extracted, the nature of the link farm suggests an attempt to manipulate search engine results or distribute potentially malicious content hosted on the 'gorillawalker.com' domain.

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/a-concise-public-speaking-handbook-4th-edition.pdf
    • http://www.gorillawalker.com/human-rights-between-idealism-and-realism-collected-courses-of-the.pdf
    • http://www.gorillawalker.com/sigmund-freud-and-lou-andreas-salome-letters-norton-paperback.pdf
    • http://www.gorillawalker.com/poems-of-hate-hatred-is-the-latest-trend.pdf
    • http://www.gorillawalker.com/comparative-analysis-and-benchmarking-corporate-strategy-analysis-of-four-international.pdf
    • http://www.gorillawalker.com/be-a-top-player-mostly-ballads-flute-book-and-cd.pdf
    • http://www.gorillawalker.com/schools-can-change-a-step-by-step-change-creation-system.pdf
    • http://www.gorillawalker.com/cutting-edge-of-contemporary-science-forum-scanning-electron-microscopy-and.pdf
    • http://www.gorillawalker.com/occupational-safety-management-and-engineering-5th-edition.pdf
    • http://www.gorillawalker.com/for-richer-for-poorer-a-love-affair-with-poker.pdf
    • http://www.gorillawalker.com/the-japanese-house-architecture-and-interiors.pdf
    • http://www.gorillawalker.com/falling-kingdoms-a-falling-kingdoms-novel-kindle-edition.pdf
    • http://www.gorillawalker.com/by-force-of-arms-the-journals-of-don-diego-de.pdf
    • http://www.gorillawalker.com/handbook-of-developmental-research-methods.pdf
    • http://www.gorillawalker.com/12-concerti-a-cinque-op-7-concerto-for-2-oboes.pdf
    • http://www.gorillawalker.com/what-are-rivers-earth-features.pdf
    • http://www.gorillawalker.com/electric-elevators-international-textbook-company-bluebooks-569b.pdf
    • http://www.gorillawalker.com/happy-tango-sallycat-s-guide-to-dancing-in-buenos-aires.pdf
    • http://www.gorillawalker.com/trainer-s-handbook-a-practical-guide-to-training-in-the.pdf
    • http://www.gorillawalker.com/inestable-el-carscol-y-el-raton-garcia-luna-grande-spanish.pdf
    • http://www.gorillawalker.com/fantasies-delight-a-collection-of-erotic-interviews.pdf
    • http://www.gorillawalker.com/sr-71-the-complete-illustrated-history-of-the-blackbird-the.pdf
    • http://www.gorillawalker.com/the-cowboy-s-first-time-gay-bundle-five-hot-stories.pdf
    • http://www.gorillawalker.com/happy-place.pdf
    • http://www.gorillawalker.com/girl-of-nightmares-anna-dressed-in-blood-series.pdf
    • http://www.gorillawalker.com/holt-elements-of-language-communications-grade-7-elements-of-language.pdf
    • http://www.gorillawalker.com/the-effects-of-uv-radiation-in-the-marine-environment-cambridge.pdf
    • http://www.gorillawalker.com/diagnostic-histopathology-of-tumors-2-volume-set-2e.pdf
    • http://www.gorillawalker.com/the-principles-and-practice-of-dentistry-including-anatomy-physiology-pathology.pdf
    • http://www.gorillawalker.com/the-mobile-internet-handbook-2015-us-rvers-edition.pdf
    • http://www.gorillawalker.com/nights-on-the-rio-paraguay-scenes-of-war-and-charactersketches.pdf
    • http://www.gorillawalker.com/the-kama-sutra-annotated-kindle-edition.pdf
    • http://www.gorillawalker.com/rafael-palmeiro-at-home-with-the-baltimore-orioles.pdf
    • http://www.gorillawalker.com/my-big-busy-space-activity-book.pdf
    • http://www.gorillawalker.com/apologetics-for-the-twenty-first-century.pdf
    • http://www.gorillawalker.com/seven-words-of-jesus-and-mary.pdf
    • http://www.gorillawalker.com/olds-maternal-newborn-nursing-women-s-health-across-the-lifespan.pdf
    • http://www.gorillawalker.com/primitive-erotic-art.pdf
    • http://www.gorillawalker.com/development-of-the-biotechnology-sector-the-iraq-perspective-biotechnology-in.pdf
    • http://www.gorillawalker.com/elementary-chemical-microscopy.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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