Malicious PDF — malware analysis report

Static analysis result for SHA-256 92a62b7dd79d1c45…

MALICIOUS

PDF

33.5 KB Created: 2019-12-13 16:46:55 +03:00 Authoring application: - (via iText 2.1.0 (by lowagie.com))
MD5: ccfe1cdf686327030f3c6f4242592f34 SHA-1: 5139795df90a03545fad19747b6983d36ddb94b8 SHA-256: 92a62b7dd79d1c45fbfd62b0b5f4d14a3f3d4660a831c9618e7e6e274b4c6c1d
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 poisoning or to distribute malicious content. The ML classifier also flagged this document as malicious. No scripts were extracted, and the document body was heavily obfuscated, preventing a deeper analysis of its specific intent beyond link distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8313

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-fabulous-moolah-first-goddess-of-the-squared-circle.pdf
    • http://www.gorillawalker.com/just-classic-rock-real-book-new-revised-edition-c-fakebook.pdf
    • http://www.gorillawalker.com/how-to-start-and-operate-an-elderly-adult-day-care.pdf
    • http://www.gorillawalker.com/nutrition-a-culinary-approach.pdf
    • http://www.gorillawalker.com/living-better-with-hearing-loss-a-guide-to-health-happiness.pdf
    • http://www.gorillawalker.com/sustainable-development-principles-in-the-decisions-of-international-courts-and.pdf
    • http://www.gorillawalker.com/the-wok-cookbook-200-recipes-for-stir-frying-success.pdf
    • http://www.gorillawalker.com/popular-media-and-animals-palgrave-macmillan-animal-ethics.pdf
    • http://www.gorillawalker.com/asymptotic-theory-of-anisotropic-plates-and-shells.pdf
    • http://www.gorillawalker.com/flash-gordon-vengence-of-ming-flash-gordon-ardden.pdf
    • http://www.gorillawalker.com/jamaica-plain-collected-bibliographies.pdf
    • http://www.gorillawalker.com/the-pms-puzzle-letting-god-put-the-pieces-in-their.pdf
    • http://www.gorillawalker.com/amphibians-in-captivity.pdf
    • http://www.gorillawalker.com/a-scotch-paisano-hugo-reid-s-life-in-california-1832.pdf
    • http://www.gorillawalker.com/akira-tobu-4-japanese-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/a-good-hater-volume-1-norwegian-edition.pdf
    • http://www.gorillawalker.com/research-methods-for-organizational-studies.pdf
    • http://www.gorillawalker.com/the-life-of-the-hunt.pdf
    • http://www.gorillawalker.com/who-are-you-to-judge.pdf
    • http://www.gorillawalker.com/bundle-mathematical-applications-for-the-management-life-and-social-sciences.pdf
    • http://www.gorillawalker.com/collectible-cups-saucers-identification-values-book-3.pdf
    • http://www.gorillawalker.com/ultimate-x-men-vol-6-v-6.pdf
    • http://www.gorillawalker.com/1970-music-in-motion-drum-corps-cd-brigadiers-caballeros-hurricanes.pdf
    • http://www.gorillawalker.com/epics-for-students-vol-1.pdf
    • http://www.gorillawalker.com/curious-wine.pdf
    • http://www.gorillawalker.com/paquito-y-abuelito-paquito-and-grandpa.pdf
    • http://www.gorillawalker.com/go-all-in-one-mil-et-ac-180d-trial-pkg.pdf
    • http://www.gorillawalker.com/1998-supplement-to-cases-materials-on-conflict-of-laws.pdf
    • http://www.gorillawalker.com/to-direct-the-secretary-of-the-interior-to-suspend-the.pdf
    • http://www.gorillawalker.com/protestantism-and-jungian-psychology-religion-and-jungian-psychology.pdf
    • http://www.gorillawalker.com/till-the-sun-turns-black-ray-lamontagne-guitar-recorded-version.pdf
    • http://www.gorillawalker.com/the-sound-advice-encyclopedia-of-voice-over-the-business-of.pdf
    • http://www.gorillawalker.com/questions-and-swords-folktales-of-the-zapatista-revolution.pdf
    • http://www.gorillawalker.com/broadway-s-my-beat-old-time-radio.pdf
    • http://www.gorillawalker.com/thor-s-hammer.pdf
    • http://www.gorillawalker.com/the-hound-of-heaven.pdf
    • http://www.gorillawalker.com/iso-11064-2-2000-ergonomic-design-of-control-centres-part.pdf
    • http://www.gorillawalker.com/challenging-learning-theory-effective-practice-and-lesson-ideas-to-create.pdf
    • http://www.gorillawalker.com/50-quick-easy-pizzas.pdf
    • http://www.gorillawalker.com/econometric-methods-3rd-edition.pdf
    • http://www.gorillawalker.com/the-pms-puzzl
    • 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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