Malicious PDF — malware analysis report

Static analysis result for SHA-256 692cc9cd2e01b125…

MALICIOUS

PDF

43.7 KB Created: 2018-11-14 08:26:44 +03:00 Authoring application: - (via Acrobat Distiller 3.0 for Power Macintosh)
MD5: df8de24825f6434086570a8e021ba0e8 SHA-1: 99e2590145dd7c59faf6a9445d5ad2b139173463 SHA-256: 692cc9cd2e01b125640b183e9b13954dcb90dc107627c251b9369a1b414b59e1
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external websites, 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 rankings or redirect users to potentially malicious content hosted on these external domains.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8224

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/secrets-of-buying-packaging-machinery-how-to-win-in-a.pdf
    • http://www.gorillawalker.com/pretty-little-liars-pretty-little-secrets-pretty-little-liars-companion.pdf
    • http://www.gorillawalker.com/fireside-book-of-chess-paperback.pdf
    • http://www.gorillawalker.com/cognitive-infiltration-an-obama-appointee-s-plan-to-undermine-the.pdf
    • http://www.gorillawalker.com/jennifer-government.pdf
    • http://www.gorillawalker.com/horny-zombies-crave-tacos-4-come-vampire-come.pdf
    • http://www.gorillawalker.com/lucifer-s-saint-the-vampire-dimitri-the-draculia-vampire-trilogy.pdf
    • http://www.gorillawalker.com/the-japanese-automobile-industry-technology-and-management-at-nissan-and.pdf
    • http://www.gorillawalker.com/comprehension-across-the-curriculum-perspectives-and-practices-k-12-solving.pdf
    • http://www.gorillawalker.com/hal-leonard-disney-movie-favorites-for-viola.pdf
    • http://www.gorillawalker.com/advances-in-tissue-banking.pdf
    • http://www.gorillawalker.com/c-mo-lleg-la-noche-memorias-tiempo-de-memoria-spanish.pdf
    • http://www.gorillawalker.com/phipson-on-evidence-2nd-supplement-to-15r-e-common-law.pdf
    • http://www.gorillawalker.com/koln-die-ausgrabungen-unter-st-severin-kleine-kunstfuhrer-german-edition.pdf
    • http://www.gorillawalker.com/looking-closely-across-the-desert-looking-closely.pdf
    • http://www.gorillawalker.com/the-theory-of-knowledge-classic-and-contemporary-readings.pdf
    • http://www.gorillawalker.com/protein-and-amino-acid-metabolism-in-cancer-cachexia-medical-intelligence.pdf
    • http://www.gorillawalker.com/gladys-reunited-a-personal-american-journey.pdf
    • http://www.gorillawalker.com/automatic-modulation-classification-principles-algorithms-and-applications.pdf
    • http://www.gorillawalker.com/absolute-relativity.pdf
    • http://www.gorillawalker.com/inner-healing-a-handbook-for-helping-yourself-and-others.pdf
    • http://www.gorillawalker.com/ons-braai-the-real-south-african-food-2016-visual-invitation.pdf
    • http://www.gorillawalker.com/super-hockey-infographics-super-sports-infographics.pdf
    • http://www.gorillawalker.com/the-labor-of-words-literary-professionalism-in-the-progressive-era.pdf
    • http://www.gorillawalker.com/battles-half-won-india-s-improbable-democracy.pdf
    • http://www.gorillawalker.com/become-a-professional-wedding-photographer-here-s-how-kindle-edition.pdf
    • http://www.gorillawalker.com/rci-enhanced-weeks-user-guide-tips-tricks-and-secrets-timeshare.pdf
    • http://www.gorillawalker.com/an-abiding-evil-kindle-edition.pdf
    • http://www.gorillawalker.com/charlie-s-raven.pdf
    • http://www.gorillawalker.com/3d-computer-graphics-a-mathematical-introduction-with-opengl.pdf
    • http://www.gorillawalker.com/wedding-etiquette.pdf
    • http://www.gorillawalker.com/the-steadicam-operator-s-handbook.pdf
    • http://www.gorillawalker.com/lonely-planet-make-my-day-sydney-travel-guide.pdf
    • http://www.gorillawalker.com/the-road-to-iraq-the-making-of-a-neoconservative-war.pdf
    • http://www.gorillawalker.com/bridge-tricks-of-the-trade-master-bridge-series.pdf
    • http://www.gorillawalker.com/the-new-natural-your-ultimate-guide-to-cutting-edge-age.pdf
    • http://www.gorillawalker.com/passive-income-amazon-fba-book-4-use-amazons-fba-program.pdf
    • http://www.gorillawalker.com/curves-twists-and-bends-a-practical-guide-to-pilates-for.pdf
    • http://www.gorillawalker.com/dreams-of-the-peaceful-dragon-ulverscroft-large-print-series.pdf
    • http://www.gorillawalker.com/look-at-the-baby.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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