Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9a1c1eb9a0d8ad7…

MALICIOUS

PDF

44.4 KB Created: 2018-12-02 10:56:22 +03:00 Authoring application: Adobe InDesign CS5 (7.0.5) (via Adobe PDF Library 9.9)
MD5: e95e1280e30f5d8cea6bc2162b59de7c SHA-1: dbd4f979b47a06052cc01e66350c88a5e55db193 SHA-256: d9a1c1eb9a0d8ad750e8fa8655ff6ea855031a94882ad2460e98f551dec9c38b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF was flagged by a machine learning classifier as malicious and contains a large number of embedded external links, a technique often used for SEO manipulation or to host malicious content. The primary attack pattern observed is the PDF SEO link farm, which aims to generate traffic or distribute further malicious payloads through a large volume of external links. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8683

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/getting-it-on-online-cyberspace-gay-male-sexuality-and-embodied.pdf
    • http://www.gorillawalker.com/essential-pop-hits-15-timeless-selections-arranged-for-intermediate-to.pdf
    • http://www.gorillawalker.com/boulestin-s-round-the-year-cookbook-dover-cookbook-series.pdf
    • http://www.gorillawalker.com/relaxed-cooking-with-curtis-stone-recipes-to-put-you-in.pdf
    • http://www.gorillawalker.com/gay-italian-for-love-hookups-english-and-italian-edition.pdf
    • http://www.gorillawalker.com/prentice-hall-literature-the-american-experience-common-core-edition.pdf
    • http://www.gorillawalker.com/rescuing-justice-and-equality.pdf
    • http://www.gorillawalker.com/the-american-reader-words-that-moved-a-nation.pdf
    • http://www.gorillawalker.com/sammy-sosa-an-autobiography.pdf
    • http://www.gorillawalker.com/next-question-an-nfl-super-agent-s-proven-game-plan.pdf
    • http://www.gorillawalker.com/carrie-fisher-unauthorized-uncensored-all-ages-deluxe-edition-with-videos.pdf
    • http://www.gorillawalker.com/fundamentals-of-air-transport-management.pdf
    • http://www.gorillawalker.com/radiation-dose-management-for-fluoroscopically-guided-interventional-medical-procedures-ncrp.pdf
    • http://www.gorillawalker.com/sensory-smarts-a-book-for-kids-with-adhd-or-autism.pdf
    • http://www.gorillawalker.com/nuevo-atlas-nacional-de-cuba-spanish-edition.pdf
    • http://www.gorillawalker.com/h-dv-12-german-cavalry-manual-on-the-training-horse.pdf
    • http://www.gorillawalker.com/death-cab-for-cutie.pdf
    • http://www.gorillawalker.com/introducing-the-new-testament-a-historical-literary-and-theological-survey.pdf
    • http://www.gorillawalker.com/mirror-me-an-erotic-ghost-story.pdf
    • http://www.gorillawalker.com/recorder-duets-from-the-beginning-book-2.pdf
    • http://www.gorillawalker.com/recueil-des-cours-collected-courses-of-the-hague-academy-of.pdf
    • http://www.gorillawalker.com/by-richard-j-trudeau-introduction-to-graph-theory-1st-edition.pdf
    • http://www.gorillawalker.com/frank-the-true-story-that-inspired-the-movie-unabridged-audible.pdf
    • http://www.gorillawalker.com/italian-family-cooking-like-mamma-used-to-make.pdf
    • http://www.gorillawalker.com/frescobaldi-girolamo-toccata-cello-and-piano-edited-by-gaspar-cassado.pdf
    • http://www.gorillawalker.com/inch-by-inch.pdf
    • http://www.gorillawalker.com/words-to-live-by-2014-wall-calendar.pdf
    • http://www.gorillawalker.com/the-ridley-scott-encyclopedia.pdf
    • http://www.gorillawalker.com/the-children-s-jewish-holiday-kitchen-70-fun-recipes-for.pdf
    • http://www.gorillawalker.com/challenges-a-memoir-of-my-life-in-opera.pdf
    • http://www.gorillawalker.com/the-desert-generals.pdf
    • http://www.gorillawalker.com/to-the-north-magnetic-pole-and-through-the-northwest-passage.pdf
    • http://www.gorillawalker.com/round-penning-first-steps-to-starting-a-horse-a-guide.pdf
    • http://www.gorillawalker.com/hanson-the-official-book.pdf
    • http://www.gorillawalker.com/sophocles-antigone-and-oedipus-the-king-a-companion-to-the.pdf
    • http://www.gorillawalker.com/pic-projects-and-applications-using-c-a-project-based-approach.pdf
    • http://www.gorillawalker.com/structural-functions-of-harmony-revised-edition.pdf
    • http://www.gorillawalker.com/charisma-seven-keys-to-developing-the-magnetism-that-leads-to.pdf
    • http://www.gorillawalker.com/the-cost-of-lunch-etc-short-stories.pdf
    • http://www.gorillawalker.com/commentary-vol-92-no-6-december-1991.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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