Malicious PDF — malware analysis report

Static analysis result for SHA-256 9aa9453d8c6b3be3…

MALICIOUS

PDF

43.0 KB Created: 2018-11-30 20:02:38 +03:00 Authoring application: FrameMaker 5.5.6p145 (via Acrobat Distiller 6.0 (Windows))
MD5: 2b3eaaa499b4b6e2de7246510f996ea4 SHA-1: 1bb557eaad50f942303b5cc95ea3b7c5023a4012 SHA-256: 9aa9453d8c6b3be34ba350325b16e9e2857870308b497d085c8a4b99513cbbed
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, which are likely intended to deceive users into downloading malicious content. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious nature of the document. No scripts were extracted from this sample, and the document body was truncated, limiting further analysis of specific lures.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8872

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/elementary-differential-equations-with-boundary-value-problems-6th-edition.pdf
    • http://www.gorillawalker.com/christ-the-lord-is-risen-today-vocal-score.pdf
    • http://www.gorillawalker.com/a-skeptic-s-guide-to-the-12-steps.pdf
    • http://www.gorillawalker.com/sting-in-the-tail-kindle-edition.pdf
    • http://www.gorillawalker.com/more-trios-for-flutes-john-cacavas-trio-series.pdf
    • http://www.gorillawalker.com/aspects-of-victorian-lithography.pdf
    • http://www.gorillawalker.com/spine-tingling-magic-tricks.pdf
    • http://www.gorillawalker.com/health-agent.pdf
    • http://www.gorillawalker.com/least-privilege-security-for-windows-7-vista-and-xp.pdf
    • http://www.gorillawalker.com/slumber-party-trilogy.pdf
    • http://www.gorillawalker.com/the-farm-on-the-river-of-emeralds-vintage-departures.pdf
    • http://www.gorillawalker.com/aurelian-emperor-of-rome-a-tale-of-the-roman-empire.pdf
    • http://www.gorillawalker.com/programming-language-concepts.pdf
    • http://www.gorillawalker.com/hacer-que-su-las-galletas-y-pasteles-en-el-hogar.pdf
    • http://www.gorillawalker.com/tatuajes-del-alma-poemas-de-amor-spanish-edition.pdf
    • http://www.gorillawalker.com/the-long-journey-home-from-dak-to-the-story-of.pdf
    • http://www.gorillawalker.com/guerrilla-marketing-research-marketing-research-techniques-that-can-help-any.pdf
    • http://www.gorillawalker.com/mi-nuevo-amor-cd.pdf
    • http://www.gorillawalker.com/knights-adventurous-expanding-the-world-of-pendragon.pdf
    • http://www.gorillawalker.com/treasury-of-the-true-dharma-eye-zen-master-dogen-s.pdf
    • http://www.gorillawalker.com/plotto-the-master-book-of-all-plots.pdf
    • http://www.gorillawalker.com/olympic-sports-and-propaganda-games-moscow-1980.pdf
    • http://www.gorillawalker.com/introduction-to-counseling-voices-from-the-field-hse-125-counseling.pdf
    • http://www.gorillawalker.com/letters-to-freya-1939-1945.pdf
    • http://www.gorillawalker.com/garland-of-mahamudra-practices.pdf
    • http://www.gorillawalker.com/self-sufficient-how-to-take-good-care-of-yourself-and.pdf
    • http://www.gorillawalker.com/one-piece-vol-57.pdf
    • http://www.gorillawalker.com/monuments-objects-histories-institutions-of-art-in-colonial-and-post.pdf
    • http://www.gorillawalker.com/summer-splash-travel-activity-book-grade-3.pdf
    • http://www.gorillawalker.com/family-and-the-state-considerations-for-social-policy.pdf
    • http://www.gorillawalker.com/critics-of-capitalism-victorian-reactions-to-political-economy-cambridge-english.pdf
    • http://www.gorillawalker.com/sherpa-of-khumbu-people-livestock-and-landscape-studies-in-social.pdf
    • http://www.gorillawalker.com/walking-among-us-the-alien-plan-to-control-humanity.pdf
    • http://www.gorillawalker.com/mysterious-lands-and-peoples-mysteries-of-the-unknown.pdf
    • http://www.gorillawalker.com/johannesburg-south-africa-including-its-history-the-apartheid-museum-the.pdf
    • http://www.gorillawalker.com/financial-accounting-reporting-and-analysis.pdf
    • http://www.gorillawalker.com/mold-illness-and-mold-remediation-made-simple-discount-black-white.pdf
    • http://www.gorillawalker.com/die-nigger-die-a-political-autobiography-of-jamil-abdullah-al.pdf
    • http://www.gorillawalker.com/contra-todo-enemigo-spanish-edition.pdf
    • http://www.gorillawalker.com/wrath-fire-and-steel-motorcycle-club-romance-fire-and-steel.pdf
    • http://www.gorillawalker.com/more-trios-for-flutes-joh
    • 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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