Malicious PDF — malware analysis report

Static analysis result for SHA-256 0a41e934a3e702f1…

MALICIOUS

PDF

42.2 KB Created: 2019-03-17 07:44:42 +03:00 Authoring application: - (via ProcessText Group)
MD5: 2b14a3695bebf68196a9c2aff72aa154 SHA-1: b7017837c20a14975c9633e0a8b5f50d00614d3f SHA-256: 0a41e934a3e702f1e5e9a0eb0a0637107f811fdff3d8a3fec7cbfd2c3b16f46b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, primarily hosted on www.gorillawalker.com. This behavior is indicative of a link farm or SEO manipulation tactic. While no malicious script was directly extracted, the sheer volume and nature of the links suggest an intent to direct users to potentially harmful or misleading content, possibly as part of a larger phishing or malware distribution scheme. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9181

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/bipolar-disorder-a-family-focused-treatment-approach.pdf
    • http://www.gorillawalker.com/colonial-style-creating-classic-interiors-in-your-cape-colonial-or.pdf
    • http://www.gorillawalker.com/certain-prey-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/sql-dml-the-sql-starter-series.pdf
    • http://www.gorillawalker.com/marketing-your-consulting-or-professional-services-50-minute-book.pdf
    • http://www.gorillawalker.com/a-historical-atlas-of-iraq-historical-atlases-of-south-asia.pdf
    • http://www.gorillawalker.com/finland-a-souvenir.pdf
    • http://www.gorillawalker.com/the-handbook-of-managed-behavioral-healthcare-a-complete-and-up.pdf
    • http://www.gorillawalker.com/moral-particularism.pdf
    • http://www.gorillawalker.com/untitled-modern-aesop.pdf
    • http://www.gorillawalker.com/true-happiness.pdf
    • http://www.gorillawalker.com/thomas-flechtner-snow.pdf
    • http://www.gorillawalker.com/gifted-young-children-a-guide-for-teachers-and-parents.pdf
    • http://www.gorillawalker.com/atmospheric-diffusion.pdf
    • http://www.gorillawalker.com/i-am-a-cat-ii.pdf
    • http://www.gorillawalker.com/spirit-of-the-wolf-2014-wall-calendar.pdf
    • http://www.gorillawalker.com/new-research-on-aspirin-and-health.pdf
    • http://www.gorillawalker.com/der-rheinfall-erhabene-natur-und-touristische-vermarktung-studien-zur-religiosen.pdf
    • http://www.gorillawalker.com/aiken-drum-3-part-mxed.pdf
    • http://www.gorillawalker.com/homebuilt-telescopes-mirror-grinding-testing-and-figuring-telescope-instruction-mounting.pdf
    • http://www.gorillawalker.com/the-ladies-knitting-and-netting-book-1840.pdf
    • http://www.gorillawalker.com/chi-discovering-your-life-energy.pdf
    • http://www.gorillawalker.com/cowa.pdf
    • http://www.gorillawalker.com/servicing-black-thugs-the-pimp-the-straight-guy-clubhouse-book.pdf
    • http://www.gorillawalker.com/introducci-n-al-enfoque-aba-en-autismo-y-retraso-de.pdf
    • http://www.gorillawalker.com/fifty-shades-nastier-an-intensely-funny-parody-that-no-respectable.pdf
    • http://www.gorillawalker.com/1715-treasure-history-manifests-analysis-photos-kindle-edition.pdf
    • http://www.gorillawalker.com/the-economics-of-kentucky-coal.pdf
    • http://www.gorillawalker.com/violated-by-monsters-the-bearman-cave.pdf
    • http://www.gorillawalker.com/seo-fundamentals-an-introductory-course-to-the-world-of-search.pdf
    • http://www.gorillawalker.com/the-family-table-where-great-food-friends-and-family-gather.pdf
    • http://www.gorillawalker.com/music-features-strings-woodwind-and-brass-percussion-and-keyboards-famous.pdf
    • http://www.gorillawalker.com/israel-in-pictures-visual-geography-twenty-first-century.pdf
    • http://www.gorillawalker.com/trick-or-treatment-the-undeniable-facts-about-alternative-medicine.pdf
    • http://www.gorillawalker.com/restoring-paradise-western-esotericism-literature-art-and-consciousness-suny-series.pdf
    • http://www.gorillawalker.com/an-investors-guide-to-understanding-and-mastering-options-trading-workbook.pdf
    • http://www.gorillawalker.com/why-was-i-born.pdf
    • http://www.gorillawalker.com/managing-conflict-at-work-understanding-and-resolving-conflict-for-productive.pdf
    • http://www.gorillawalker.com/lectures-on-oral-surgery.pdf
    • http://www.gorillawalker.com/embraced-eternal-balance.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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