Malicious PDF — malware analysis report

Static analysis result for SHA-256 86399043d9cb6ece…

MALICIOUS

PDF

39.2 KB Created: 2018-11-23 21:09:29 +03:00 Authoring application: - (via Acrobat Distiller 7.0.5 (Windows))
MD5: 009d240f83ed3aac598537edd97c0c73 SHA-1: cfc2ef713218e499867d8ae962b8110fa06c1757 SHA-256: 86399043d9cb6ece3c037bd93f55b9a04cf4329cbf28b8ff4e1aabf72ca6071b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links pointing to external PDF files, a technique often used for SEO manipulation or to distribute malicious content indirectly. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8500

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/the-rookie-s-guide-to-options-2nd-edition-the-beginner.pdf
    • http://www.gorillawalker.com/dismemberment-kindle-edition.pdf
    • http://www.gorillawalker.com/jaguar-e-type-six-cylinder-restoration-originality-guide.pdf
    • http://www.gorillawalker.com/surf-safari-malibu-to-panama-1969-71-by-blanchard-w.pdf
    • http://www.gorillawalker.com/the-jinnah-anthology.pdf
    • http://www.gorillawalker.com/skinny-dipping-au-pairs.pdf
    • http://www.gorillawalker.com/animatronics-guide-to-holiday-displays.pdf
    • http://www.gorillawalker.com/forty-men-eight-horses.pdf
    • http://www.gorillawalker.com/moonlight-journey-my-secret-unicorn-paperback.pdf
    • http://www.gorillawalker.com/the-objectification-spectrum-understanding-and-transcending-our-diminishment-and-dehumanization.pdf
    • http://www.gorillawalker.com/dysphagia-in-rare-conditions-an-encyclopedia-clinical-dysphagia-series.pdf
    • http://www.gorillawalker.com/passivity-based-model-predictive-control-for-mobile-vehicle-motion-planning.pdf
    • http://www.gorillawalker.com/prometeo-encadenado-spanish-edition.pdf
    • http://www.gorillawalker.com/fight-game.pdf
    • http://www.gorillawalker.com/girl-aboard-the-titanic-a-a-survivor-s-story.pdf
    • http://www.gorillawalker.com/adagio-appassionato-op-57-orchestra-score-parts-bassoon-1-and.pdf
    • http://www.gorillawalker.com/exploring-adobe-photoshop-cs5-design-exploration-series.pdf
    • http://www.gorillawalker.com/for-the-may-queen.pdf
    • http://www.gorillawalker.com/beloved-betrayer.pdf
    • http://www.gorillawalker.com/musical-semiotics-in-growth-acta-semiotica-fennica-4-french-edition.pdf
    • http://www.gorillawalker.com/studyguide-for-general-and-oral-pathology-for-dental-hygienists-by.pdf
    • http://www.gorillawalker.com/the-goddess-tarot-deck.pdf
    • http://www.gorillawalker.com/the-arab-spring-and-arab-thaw-unfinished-revolutions-and-the.pdf
    • http://www.gorillawalker.com/prosthodontic-treatment-for-edentulous-patients-complete-dentures-and-implant-supported.pdf
    • http://www.gorillawalker.com/a-canadian-folk-rhapsody.pdf
    • http://www.gorillawalker.com/top-10-crete-eyewitness-top-10-travel-guides.pdf
    • http://www.gorillawalker.com/modern-folk-quartet.pdf
    • http://www.gorillawalker.com/collected-papers-iv-1970-1983-springer-collected-works-in-mathematics.pdf
    • http://www.gorillawalker.com/g-tterd-mmerung-wwv-86d-chorus-score-a2355.pdf
    • http://www.gorillawalker.com/builder-to-bimbo.pdf
    • http://www.gorillawalker.com/sexy-asian-girl-smack-me-dude-adult-photo-gallery-kindle.pdf
    • http://www.gorillawalker.com/the-hardscrabble-chronicles.pdf
    • http://www.gorillawalker.com/introduction-to-linear-optimization-athena-scientific-series-in-optimization-and.pdf
    • http://www.gorillawalker.com/lessons-on-living-from-moses-the-practice-of-god-s.pdf
    • http://www.gorillawalker.com/the-ultimate-nepalese-cookbook.pdf
    • http://www.gorillawalker.com/peanuts-2002-day-to-day-calendar.pdf
    • http://www.gorillawalker.com/crazy-river-exploration-and-folly-in-east-africa.pdf
    • http://www.gorillawalker.com/successful-artist-management.pdf
    • http://www.gorillawalker.com/sanese-con-los-angeles-healing-with-the-angels-spanish-edition.pdf
    • http://www.gorillawalker.com/e-cigarettes-101-how-to-start-vaping-volume-1.pdf
    • http://www.gorillawalker.com/the-objectification-spectrum-understanding
    • 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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