Malicious PDF — malware analysis report

Static analysis result for SHA-256 68837ffacf376aed…

MALICIOUS

PDF

31.7 KB Created: 2019-12-14 02:28:31 +03:00 Authoring application: Adobe InDesign CC 2014 (Macintosh) (via Adobe PDF Library 11.0)
MD5: 4a8198db9eb712011912ad4a3763bf9a SHA-1: c28fe5ffdb6bda0b4dc8adfd7f63e33887daa026 SHA-256: 68837ffacf376aedd8c2f988c0d11cd943553e62c1929f814266534bcd695c3b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged for containing a large number of external links, specifically a link farm pointing to other PDFs on the domain www.gorillawalker.com. This technique is often used for SEO manipulation or to distribute potentially malicious content disguised as legitimate documents. No scripts were extracted, and the document body was unreadable, making it difficult to ascertain a more specific intent beyond link distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8447

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/cheer-up-mouse.pdf
    • http://www.gorillawalker.com/the-power-of-focus-for-college-students-how-to-make.pdf
    • http://www.gorillawalker.com/humor-in-medicine-and-other-topics.pdf
    • http://www.gorillawalker.com/compliance-for-coding-billing-reimbursement-2nd-edition-a-systematic-approach.pdf
    • http://www.gorillawalker.com/el-palacio-de-los-precisos-cristales-divertimentos-matem-ticos-coleccion.pdf
    • http://www.gorillawalker.com/the-new-bandsaw-box-book-techniques-patterns-for-the-modern.pdf
    • http://www.gorillawalker.com/despite-your-circumstances.pdf
    • http://www.gorillawalker.com/the-best-nonsense-verses-classic-reprint.pdf
    • http://www.gorillawalker.com/inside-stories-new-zealand-prisoners-of-war-remember.pdf
    • http://www.gorillawalker.com/multirate-digital-signal-processing-multirate-systems-filter-banks-wavelets.pdf
    • http://www.gorillawalker.com/turtledome-kindle-edition.pdf
    • http://www.gorillawalker.com/give-us-the-chance-to-go-all-the-way-the.pdf
    • http://www.gorillawalker.com/top-30-super-quick-easy-north-american-vegetarian-recipes-in.pdf
    • http://www.gorillawalker.com/checklists-for-public-library-managers.pdf
    • http://www.gorillawalker.com/a-god-s-little-princess-treasury-gigi-god-s-little.pdf
    • http://www.gorillawalker.com/the-three-little-pigs-and-the-somewhat-bad-wolf.pdf
    • http://www.gorillawalker.com/the-essential-tillich.pdf
    • http://www.gorillawalker.com/lily-and-the-billionaire-vol-2-erotic-romance.pdf
    • http://www.gorillawalker.com/la-cordillera-real-de-los-andes-bolivia-coleccion-descubra-bolivia.pdf
    • http://www.gorillawalker.com/partition-classique-morceau-symphonique-opus-88-f-a-guilmant-trombone.pdf
    • http://www.gorillawalker.com/your-best-life-now-7-steps-to-living-at-your.pdf
    • http://www.gorillawalker.com/racing-hummingbirds.pdf
    • http://www.gorillawalker.com/the-angel-s-assassin.pdf
    • http://www.gorillawalker.com/complete-surrender-a-biography-of-eric-liddell.pdf
    • http://www.gorillawalker.com/pediatric-facts-made-incredibly-quick-incredibly-easy-series.pdf
    • http://www.gorillawalker.com/christianity-and-liberalism-kindle-edition.pdf
    • http://www.gorillawalker.com/man-yo-luster-japanese-edition.pdf
    • http://www.gorillawalker.com/boxiana-volume-1.pdf
    • http://www.gorillawalker.com/john-argentine-provost-of-king-s-c-1442-1508-his.pdf
    • http://www.gorillawalker.com/no-baloney-sandwich-a-dolphin-book.pdf
    • http://www.gorillawalker.com/homeric-grammar-bcp-advanced-language-s.pdf
    • http://www.gorillawalker.com/porsche-356-rs-spyders.pdf
    • http://www.gorillawalker.com/archie-digest-magazine-8-issues.pdf
    • http://www.gorillawalker.com/pharmacology-and-the-nursing-process-6e.pdf
    • http://www.gorillawalker.com/martha-stewart-successful-businesswoman-people-to-know.pdf
    • http://www.gorillawalker.com/pushback-how-smart-women-ask-and-stand-up-for-what.pdf
    • http://www.gorillawalker.com/medical-terminology-speedy-study-guides.pdf
    • http://www.gorillawalker.com/cpr-guidelines-stress-compressions-over-breaths-clinical-rounds-cardiopulmonary-resuscitation.pdf
    • http://www.gorillawalker.com/the-national-parks-full-colour-country-travel-guide-beauty-collection.pdf
    • http://www.gorillawalker.com/bad-piggies-game-guide-unabridged-audible-audio-edition.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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