Malicious PDF — malware analysis report

Static analysis result for SHA-256 6aed6c902056aba3…

MALICIOUS

PDF

43.6 KB Created: 2018-11-14 11:23:12 +03:00 Authoring application: Microsoft® Office Word 2007
MD5: c5189de6af6e8e9031e518638ed2115c SHA-1: c50367111bd254917397fb23e37d5a7fd72f6a94 SHA-256: 6aed6c902056aba38336e4996b2b4b0704c6629fff7483d6a37b4ff3bab8fdeb
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 extracted, the sheer volume of links suggests an attempt to manipulate search engine results or distribute potentially malicious content via these linked PDFs.

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/handbook-of-research-on-venture-capital-elgar-original-reference.pdf
    • http://www.gorillawalker.com/tattletale-card-game.pdf
    • http://www.gorillawalker.com/crafting-institutions-for-self-governing-irrigation-systems.pdf
    • http://www.gorillawalker.com/hermeneutics-reader-texts-of-the-german-tradition-from-the-enlightenment.pdf
    • http://www.gorillawalker.com/see-1-1-a-journal-of-visual-culture.pdf
    • http://www.gorillawalker.com/marketing-management-print-replica-kindle-edition.pdf
    • http://www.gorillawalker.com/invisible-criticism-ralph-ellison-and-the-american-canon.pdf
    • http://www.gorillawalker.com/management-accounting-and-control-systems-an-organizational-and-sociological-approach.pdf
    • http://www.gorillawalker.com/innovative-rural-enterprises.pdf
    • http://www.gorillawalker.com/the-social-archaeology-of-funerary-remains-studies-in-funerary-archaeology.pdf
    • http://www.gorillawalker.com/removable-partial-prosthodontics-reprint.pdf
    • http://www.gorillawalker.com/l-elisir-d-amore-act-i-una-parola-o-adina.pdf
    • http://www.gorillawalker.com/citizen-satisfaction-improving-government-performance-efficiency-and-citizen-trust.pdf
    • http://www.gorillawalker.com/grossman-s-cyclopedia-the-concise-guide-to-wines-beers-and.pdf
    • http://www.gorillawalker.com/playing-the-organ-works-of-cesar-franck-the-complete-organ.pdf
    • http://www.gorillawalker.com/hiv-essentials-2014.pdf
    • http://www.gorillawalker.com/chemistry-visualizing-matter.pdf
    • http://www.gorillawalker.com/praxis-ppst-i-basic-skills-0710-0720-0730-practice-test.pdf
    • http://www.gorillawalker.com/the-picture-bible.pdf
    • http://www.gorillawalker.com/ultimate-german-advanced-coursebook-ultimate-advanced.pdf
    • http://www.gorillawalker.com/recorder-concerto-no-3-in-g-major-full-score.pdf
    • http://www.gorillawalker.com/patterns-of-democracy-government-forms-and-performance-in-thirty-six.pdf
    • http://www.gorillawalker.com/manual-therapy-for-chronic-headache.pdf
    • http://www.gorillawalker.com/suddenly-one-morning-the-shopkeeper-s-story-an-easter-narrative.pdf
    • http://www.gorillawalker.com/severity-drg-s-and-reimbursement-an-ms-drg-primer.pdf
    • http://www.gorillawalker.com/genetic-heavy-metal-toxicity-explaining-sids-autism-tourette-s-alzheimer.pdf
    • http://www.gorillawalker.com/the-dictator-s-handbook-why-bad-behavior-is-almost-always.pdf
    • http://www.gorillawalker.com/theory-and-application-of-special-functions-proceedings-of-an-advanced.pdf
    • http://www.gorillawalker.com/integration-of-medical-and-sports-sciences-medicine-and-sport-science.pdf
    • http://www.gorillawalker.com/the-cholesterol-con-and-other-excerpts-from-free-the-animal.pdf
    • http://www.gorillawalker.com/hoosier-century-100-years-of-photography-from-the-indianapolis-star.pdf
    • http://www.gorillawalker.com/sequoia-presidential-yacht.pdf
    • http://www.gorillawalker.com/teaching-to-exceed-the-english-language-arts-common-core-state.pdf
    • http://www.gorillawalker.com/king-solomon-s-mines-revisited-western-interests-and-the-burdened.pdf
    • http://www.gorillawalker.com/atlas-of-the-newborn-volume-1-neonatal-and-perinatal-medicine.pdf
    • http://www.gorillawalker.com/fundamentals-of-adaptive-psychotherapy-and-counselling.pdf
    • http://www.gorillawalker.com/the-principles-of-psychology-vol-ii.pdf
    • http://www.gorillawalker.com/like-a-tree-how-trees-women-and-tree-people-can.pdf
    • http://www.gorillawalker.com/shakespeare-s-insults-for-lawyers.pdf
    • http://www.gorillawalker.com/mentats-of-dune.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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