Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7f7b33930220aa2…

MALICIOUS

PDF

44.0 KB Created: 2019-03-16 09:39:04 +03:00 Authoring application: AH XSL Formatter V6.2 MR5 for Windows (x64) : 6.2.7.18952 (via Antenna House PDF Output Library 6.2.625 (Windows (x64)))
MD5: 0ee9bdb92cc30958419ad2a8e4d61b0b SHA-1: dc4e47d43fe9768186ad9e3fc94fe46aa7fe05f6 SHA-256: e7f7b33930220aa21cf03bae36165277675f7084a783c14e46d2409b76fc3399
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious payloads. The ML classifier also flagged this PDF as malicious. No scripts were extracted, but the sheer volume of links suggests a malicious intent to drive traffic or distribute content from the gorillawalker.com domain.

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/study-guide-for-introduction-to-brain-and-behavior.pdf
    • http://www.gorillawalker.com/jacob-l-talmon-mission-and-testimony-political-essays.pdf
    • http://www.gorillawalker.com/technical-analysis-the-complete-resource-for-financial-market-technicians-2nd.pdf
    • http://www.gorillawalker.com/a-linear-elastic-fracture-mechanics-assessment-of-the-fatigue-crack.pdf
    • http://www.gorillawalker.com/double-down-a-bbw-menage-mmf-erotic-adventure-kindle-edition.pdf
    • http://www.gorillawalker.com/microeconometria-y-decision-microeconometric-and-decision-economia-y-empresa-economy.pdf
    • http://www.gorillawalker.com/san-juan-islands-cruise-guide-boater-s-handbook-for-cruising.pdf
    • http://www.gorillawalker.com/the-social-psychology-of-organizing-topics-in-social-psychology-series.pdf
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    • http://www.gorillawalker.com/agile-governance-and-audit-an-overview-for-auditors-and-agile.pdf
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    • http://www.gorillawalker.com/theory-change-in-science-strategies-from-mendelian-genetics-monographs-on.pdf
    • http://www.gorillawalker.com/obsessed-with-marvel-publisher-chronicle-books.pdf
    • http://www.gorillawalker.com/people-at-work-international-picture-library.pdf
    • http://www.gorillawalker.com/dalmatia-painted-by-walter-tyndale.pdf
    • http://www.gorillawalker.com/how-to-improve-your-speed-on-the-psat-and-make.pdf
    • http://www.gorillawalker.com/entrevista-diagnostica-con-nios-y-adolescentes-la-spanish-edition-paperback.pdf
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    • http://www.gorillawalker.com/virgin-islands-berlitz-pocket-guides.pdf
    • http://www.gorillawalker.com/mar-adentro-libro-de-poemas-spanish-edition.pdf
    • http://www.gorillawalker.com/aramco-world-magazine-september-october-1981-volume-32-no-5.pdf
    • http://www.gorillawalker.com/philip-s-road-map-of-spain-and-portugal-road-map.pdf
    • http://www.gorillawalker.com/simple-thai-quick-and-easy.pdf
    • http://www.gorillawalker.com/heiresses-of-russ-2012-the-year-s-best-lesbian-speculative.pdf
    • http://www.gorillawalker.com/minerva-volume-two.pdf
    • http://www.gorillawalker.com/the-gondoliers-act-i-recitative-duet-o-rapture-there-was.pdf
    • http://www.gorillawalker.com/gender-and-parenthood-biological-and-social-scientific-perspectives.pdf
    • http://www.gorillawalker.com/anterior-anatomy-and-the-science-of-a-natural-smile-ptc.pdf
    • http://www.gorillawalk
    • 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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