Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d92d708aa5c19d3…

MALICIOUS

PDF

43.7 KB Created: 2018-11-30 20:56:24 +03:00 Authoring application: Pdf995 (via GNU Ghostscript 7.05)
MD5: 6bb124f3675dcf465a189b20c6a37084 SHA-1: f5c786444d65d9da5f3b1ef079fe7004b46bdc02 SHA-256: 7d92d708aa5c19d3ec8a55fbe55824afb230a93e281f3d1d6845fea1e0bd24e7
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to external PDF documents on the domain www.gorillawalker.com. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malicious content disguised as legitimate documents. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

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-christy-miller-collection-vol-1-summer-promise-a-whisper.pdf
    • http://www.gorillawalker.com/the-yale-edition-of-the-complete-works-of-st-thomas.pdf
    • http://www.gorillawalker.com/the-dolorous-passion-of-our-lord-jesus-christ.pdf
    • http://www.gorillawalker.com/how-to-pass-advanced-numeracy-tests-improve-your-scores-in.pdf
    • http://www.gorillawalker.com/international-management-managing-across-borders-and-cultures-text-and-cases.pdf
    • http://www.gorillawalker.com/elements-of-language-student-one-stop-think-central-student-access.pdf
    • http://www.gorillawalker.com/laparoscopic-bariatric-surgery.pdf
    • http://www.gorillawalker.com/the-underdog-s-guide-to-the-sat-strategy-guide-prepare.pdf
    • http://www.gorillawalker.com/commentary-on-aristotle-s-physics-aristotelian-commentary-series.pdf
    • http://www.gorillawalker.com/drawing-on-the-go-people-dover-little-activity-books.pdf
    • http://www.gorillawalker.com/berkovich-spaces-and-applications-lecture-notes-in-mathematics.pdf
    • http://www.gorillawalker.com/this-new-noise-the-extraordinary-birth-and-troubled-life-of.pdf
    • http://www.gorillawalker.com/obsessive-compulsive-disorder-in-adults-in-the-series-advances-in.pdf
    • http://www.gorillawalker.com/horses-wall.pdf
    • http://www.gorillawalker.com/handbook-of-ornament-dover-pictorial-archive-kindle-edition.pdf
    • http://www.gorillawalker.com/meaning-and-textuality-toronto-studies-in-semiotics-and-communication.pdf
    • http://www.gorillawalker.com/theo-angelopolous-interviews-conversations-with-filmmakers-series.pdf
    • http://www.gorillawalker.com/city-of-angels-shannon-saga.pdf
    • http://www.gorillawalker.com/the-rhinegold-complete-vocal-score.pdf
    • http://www.gorillawalker.com/salt-of-the-earth-the-story-of-a-film-the.pdf
    • http://www.gorillawalker.com/banged-in-the-bayou-monster-erotica-fifty-states-of-monster.pdf
    • http://www.gorillawalker.com/jack-of-diamonds.pdf
    • http://www.gorillawalker.com/social-skills-support-play-role-in-adolescent-depression-child-adolescent.pdf
    • http://www.gorillawalker.com/tax-planning-techniques-of-the-rich-famous-kindle-edition.pdf
    • http://www.gorillawalker.com/history-of-the-warfare-of-science-with-theology-in-christendom.pdf
    • http://www.gorillawalker.com/start-up-an-entrepreneur-s-guide-to-launching-and-managing.pdf
    • http://www.gorillawalker.com/a-midsummer-nights-dream-arden-shakespeare-second-series-by-william.pdf
    • http://www.gorillawalker.com/atlas-of-clinical-dermatology-2nd-edition.pdf
    • http://www.gorillawalker.com/a-checklist-of-north-american-amphibians-and-reptiles-the-united.pdf
    • http://www.gorillawalker.com/building-the-rule-of-law.pdf
    • http://www.gorillawalker.com/leviticus-ot-daily-study-bible-series.pdf
    • http://www.gorillawalker.com/a-friendship-promise.pdf
    • http://www.gorillawalker.com/the-history-of-the-stasi-east-germany-s-secret-police.pdf
    • http://www.gorillawalker.com/david-mcwilliams-the-pope-s-children-david-mcwilliams-ireland-1.pdf
    • http://www.gorillawalker.com/cape-lookout-national-seashore-o-boyle-bryant-house-historic-structure.pdf
    • http://www.gorillawalker.com/le-time-trotteur-l-incroyable-histoire-d-un-homme-qui.pdf
    • http://www.gorillawalker.com/iso-9001-2000-audit-procedures.pdf
    • http://www.gorillawalker.com/landscape-interpretations.pdf
    • http://www.gorillawalker.com/montreal-berlitz-z-map.pdf
    • http://www.gorillawalker.com/die-umweltpramie-und-ihre-auswirkung-auf-den-automobilhandel-german-edition.pdf
    • http://www.gorillawalker.com/international-management-managing-across-borders-and-cultures-text-
    • 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/