Malicious PDF — malware analysis report

Static analysis result for SHA-256 f230c538580b0313…

MALICIOUS

PDF

43.3 KB Created: 2018-12-15 20:11:14 +03:00 Authoring application: FrameMaker 7.2 (via Acrobat Distiller 7.0.5 (Windows))
MD5: b0a4ed71f1a17d5dcfc90f8ff164aaac SHA-1: 53efd46bc5df2c8f695d775371353c8dbc45314f SHA-256: f230c538580b0313fe73825b2127d3db4cf91c9b19aa91829a10c04eefa1cfb1
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links pointing to external PDF files on the domain www.gorillawalker.com. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9016

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/sex-literature-and-censorship-essays.pdf
    • http://www.gorillawalker.com/phase-locked-loops-theory-design-and-applications.pdf
    • http://www.gorillawalker.com/the-earliest-wheeled-transport-from-the-atlantic-coast-to-the.pdf
    • http://www.gorillawalker.com/the-basics-of-winning-baccarat.pdf
    • http://www.gorillawalker.com/butterflies-animals-life-cycles.pdf
    • http://www.gorillawalker.com/the-outline-of-natural-history.pdf
    • http://www.gorillawalker.com/mosby-s-nursing-assistant-video-skills-student-online-version-4.pdf
    • http://www.gorillawalker.com/mentoring-the-strategy-of-the-master.pdf
    • http://www.gorillawalker.com/foundation-flash-mx-applications.pdf
    • http://www.gorillawalker.com/eight-cousins-or-the-aunt-hill-complete-authorized-edition.pdf
    • http://www.gorillawalker.com/capital-washington-d-c-from-a-to-z.pdf
    • http://www.gorillawalker.com/don-t-sit-on-the-baby-the-ultimate-guide-to.pdf
    • http://www.gorillawalker.com/dental-anatomy-a-graphic-presentation-of-tooth-forms-with-an.pdf
    • http://www.gorillawalker.com/beyond-bedtime-stories-a-parent-s-guide-to-promoting-reading.pdf
    • http://www.gorillawalker.com/commissioner-lin-and-the-opium-war-norton-library.pdf
    • http://www.gorillawalker.com/intraoperative-sonographie-der-leber-und-der-gallenwege-german-edition.pdf
    • http://www.gorillawalker.com/muddy-truck-truck-buddies.pdf
    • http://www.gorillawalker.com/after-the-rain-brides-of-weatherton-book-1-kindle-edition.pdf
    • http://www.gorillawalker.com/authentic-sounds-of-the-big-band-era-1st-trombone.pdf
    • http://www.gorillawalker.com/transport-processes-in-pharmaceutical-systems-drugs-and-the-pharmaceutical-sciences.pdf
    • http://www.gorillawalker.com/doll-hair-styling-tips-and-tricks-for-your-dolls-book.pdf
    • http://www.gorillawalker.com/low-carb-breads-crackers-and-more-low-carb-ketogenic-cookbooks.pdf
    • http://www.gorillawalker.com/the-midwife-s-confession.pdf
    • http://www.gorillawalker.com/good-governance-delivering-corruption-free-public-services.pdf
    • http://www.gorillawalker.com/the-story-of-wisconsin.pdf
    • http://www.gorillawalker.com/moroad-motorcycle-club-moroad-motorcycle-club-series.pdf
    • http://www.gorillawalker.com/the-story-of-twitter-built-for-success.pdf
    • http://www.gorillawalker.com/bad-kitty-s-very-bad-boxed-set-1.pdf
    • http://www.gorillawalker.com/deciding-communication-law-key-cases-in-context-routledge-communication-series.pdf
    • http://www.gorillawalker.com/a-practical-guide-to-mental-health-law-the-mental-health.pdf
    • http://www.gorillawalker.com/rock-a-bell-jingle-sa-or-two-part-chorus-with.pdf
    • http://www.gorillawalker.com/tough-love-back-to-buckhorn-an-ultimate-novel.pdf
    • http://www.gorillawalker.com/history-for-kids-the-illustrated-history-of-the-vikings-kindle.pdf
    • http://www.gorillawalker.com/bright-from-the-start-the-simple-science-backed-way-to.pdf
    • http://www.gorillawalker.com/handbook-of-functionalized-organometallics-applications-in-synthesis-vol-1-2.pdf
    • http://www.gorillawalker.com/easy-quick-healthy-breakfast-recipes-15-recipes-to-have-your.pdf
    • http://www.gorillawalker.com/getting-started-in-hold-em.pdf
    • http://www.gorillawalker.com/o-come-all-ye-faithful-handbell-3-5-sheet-music.pdf
    • http://www.gorillawalker.com/analytical-profiles-of-drug-substances-and-excipients-volume-24.pdf
    • http://www.gorillawalker.com/introducing-fascism-a-graphic-guide-introducing.pdf
    • http://www.gorillawalker.com/mentoring-the-strategy-of-the-master.pd
    • 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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