Malicious PDF — malware analysis report

Static analysis result for SHA-256 ef7b9500a4d45967…

MALICIOUS

PDF

43.2 KB Created: 2018-12-02 10:55:27 +03:00 Authoring application: Adobe Acrobat 7.05 (via Adobe Acrobat 7.05 Paper Capture Plug-in)
MD5: 37a663d36f0bd951e2ce9fa3f8f1fc2a SHA-1: 19ef3fbbcecb6b3ed1b16986dcac2fb79d92cd93 SHA-256: ef7b9500a4d459675c78fc4bfd5095f995f68200a97ce2ee4342d7a6898f6c3b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier as malicious. It contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO manipulation or to host malicious content. The document body itself is heavily obfuscated and contains these URLs, suggesting an attempt to disguise the malicious intent. No scripts were extracted, but the sheer volume of linked PDFs indicates a likely distribution or redirection mechanism.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9171

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-earth-s-ionosphere-plasma-physics-and-electrodynamics.pdf
    • http://www.gorillawalker.com/rosabeth-moss-kanter-on-the-frontiers-of-management.pdf
    • http://www.gorillawalker.com/the-perfect-meal-in-search-of-the-lost-tastes-of.pdf
    • http://www.gorillawalker.com/the-created-advanced-dungeons-dragons-rm2-2nd-edition-ravenloff-official.pdf
    • http://www.gorillawalker.com/ma-cheri-the-heart-knows-cherise.pdf
    • http://www.gorillawalker.com/texas-plants-and-animals-state-studies-texas.pdf
    • http://www.gorillawalker.com/casca-the-sentinel-casca-9.pdf
    • http://www.gorillawalker.com/the-icelandic-sagas-the-cambridge-manuals-of-science-and-literature.pdf
    • http://www.gorillawalker.com/how-to-sketch-plants-tips-and-techniques-for-fast-fresh.pdf
    • http://www.gorillawalker.com/theory-of-cost-and-production-functions-princeton-studies-in-mathematical.pdf
    • http://www.gorillawalker.com/astounding-acrostic-puzzles-mensa.pdf
    • http://www.gorillawalker.com/ghost-sex-the-violation.pdf
    • http://www.gorillawalker.com/mechanical-electrical-equipment-for-buildings-8th-eigth-edition.pdf
    • http://www.gorillawalker.com/reinforced-concrete.pdf
    • http://www.gorillawalker.com/code-of-federal-regulations-title-49-transportation-pt-200-299.pdf
    • http://www.gorillawalker.com/the-society-portrait-painting-prestige-and-the-pursuit-of-elegance.pdf
    • http://www.gorillawalker.com/heart-of-the-artichoke-and-other-kitchen-journeys.pdf
    • http://www.gorillawalker.com/razzle-dazzle-doodle-art-creative-play-for-you-and-your.pdf
    • http://www.gorillawalker.com/los-rollos-del-mar-muerto-y-las-ra-ces-secretas.pdf
    • http://www.gorillawalker.com/the-definitive-aphra-behn-collection-her-fiction-poetry-and-drama.pdf
    • http://www.gorillawalker.com/emergency-management-mobile-command-response-vehicles-a-photographic-review-of.pdf
    • http://www.gorillawalker.com/metaskills-five-talents-for-the-robotic-age.pdf
    • http://www.gorillawalker.com/hawaii-berlitz-pocket-guides.pdf
    • http://www.gorillawalker.com/me-myself-and-lies-what-to-say-when-you-talk.pdf
    • http://www.gorillawalker.com/tell-me-who-i-am-sometimes-it-s-safer-not.pdf
    • http://www.gorillawalker.com/attitudes-and-consequences-in-the-restoration-movement.pdf
    • http://www.gorillawalker.com/oxford-handbook-of-tropical-medicine-oxford-medical-handbooks.pdf
    • http://www.gorillawalker.com/ispy-surveillance-and-power-in-the-interactive-era-culture-america.pdf
    • http://www.gorillawalker.com/deadly-catch-a-mac-mcclellan-mystery-mac-mcclellan-mysteries.pdf
    • http://www.gorillawalker.com/tidewater-on-the-halfshell-fine-virginia-recipes.pdf
    • http://www.gorillawalker.com/phnom-penh-a-cultural-history-cityscapes-kindle-edition.pdf
    • http://www.gorillawalker.com/virat-kohli-reliable-rebel-kindle-edition.pdf
    • http://www.gorillawalker.com/global-scleroderma-database-predicts-organ-risk-clinical-rounds-an-article.pdf
    • http://www.gorillawalker.com/the-adirondacks-a-history-of-america-s-first-wilderness-byschneider.pdf
    • http://www.gorillawalker.com/tracking-dinosaurs-in-the-gobi-single-titles-grade-level-5.pdf
    • http://www.gorillawalker.com/young-strings-in-action-volume-ii-student-book-viola.pdf
    • http://www.gorillawalker.com/etchings.pdf
    • http://www.gorillawalker.com/a-home-in-the-sky-twicetold-tales.pdf
    • http://www.gorillawalker.com/the-lizard-king-the-essential-jim-morrison.pdf
    • http://www.gorillawalker.com/mathematical-statistics-package-volumes-i-ii-basic-ideas-and-selected.pdf
    • http://www.gorillawalke
    • 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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