Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d80bd4b6ef251ad…

MALICIOUS

PDF

40.1 KB Created: 2018-11-15 18:32:35 +03:00 Authoring application: Acrobat PDFMaker 7.0 for Word (via Acrobat Distiller 7.0 (Windows))
MD5: 8a3dca908394374d9c2d81fbb3eca296 SHA-1: a12f9f3b836c4056c0fa015c3294caa4499c0f71 SHA-256: 0d80bd4b6ef251adf9ee4fb43ba643c8b457fa685d239865f1a6e5d63d092967
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the nature of the PDF and the embedded links suggest it may be used to distribute further payloads or engage in SEO-based malicious activities.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9027

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-7228337-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7228337-0
  • 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/intelligence-from-secrets-to-policy.pdf
    • http://www.gorillawalker.com/wonders-of-science-teacher-s-guide-water-life-2004.pdf
    • http://www.gorillawalker.com/the-broadview-anthology-of-victorian-poetry-and-poetic-theory-concise.pdf
    • http://www.gorillawalker.com/el-girasol-sunflower-por-dentro-y-por-fuera-inside-and.pdf
    • http://www.gorillawalker.com/granddaddy-s-turn.pdf
    • http://www.gorillawalker.com/excellent-diet-therapy-prescriptions-for-common-diseases-chinese-edition.pdf
    • http://www.gorillawalker.com/la-libertad.pdf
    • http://www.gorillawalker.com/evergence-iii-a-dark-imbalance.pdf
    • http://www.gorillawalker.com/how-you-may-be-contributing-to-your-skin-s-ageing.pdf
    • http://www.gorillawalker.com/life-of-col-david-crockett.pdf
    • http://www.gorillawalker.com/the-enemy-within-season-one-book-4-the-way-to.pdf
    • http://www.gorillawalker.com/joyce-meyer-a-life-of-redemption-and-destiny.pdf
    • http://www.gorillawalker.com/roman-mosaics-of-britain-volume-1-northern-britain.pdf
    • http://www.gorillawalker.com/what-caused-the-war-of-1812-documenting-the-war-of.pdf
    • http://www.gorillawalker.com/microsoft-word-2013-levels-1-and-2-benchmark-series.pdf
    • http://www.gorillawalker.com/niv-bible-student-winter-2012-2013-standard-lesson-quarterly.pdf
    • http://www.gorillawalker.com/mediterranean-mountain-environments.pdf
    • http://www.gorillawalker.com/song-of-a-soul-victorian-serenade-4.pdf
    • http://www.gorillawalker.com/caught-in-the-crossfire-an-australian-peacekeeper-beyond-the-front.pdf
    • http://www.gorillawalker.com/paid-to-be-you-a-guide-to-getting-unstuck-finding.pdf
    • http://www.gorillawalker.com/video-camera-techniques-media-manuals.pdf
    • http://www.gorillawalker.com/computing-the-brain-a-guide-to-neuroinformatics.pdf
    • http://www.gorillawalker.com/saxophone-method-for-beginners.pdf
    • http://www.gorillawalker.com/fire-in-the-stone-the-alchemy-of-desire.pdf
    • http://www.gorillawalker.com/experts-teach-you-to-do-aerobics-set-2-volumes.pdf
    • http://www.gorillawalker.com/lancashire-and-cumbria-by-rail.pdf
    • http://www.gorillawalker.com/it-s-not-news-it-s-fark-how-mainstream-media.pdf
    • http://www.gorillawalker.com/on-fire-a-teen-wolf-novel.pdf
    • http://www.gorillawalker.com/ezekiel-a-commentary-the-library-of-hebrew-bible-old-testamen.pdf
    • http://www.gorillawalker.com/atmospheric-disturbances-a-novel.pdf
    • http://www.gorillawalker.com/tao-te-ching-a-new-english-version-unabridged-audible-audio.pdf
    • http://www.gorillawalker.com/evaluating-learning-algorithms-a-classification-perspective.pdf
    • http://www.gorillawalker.com/the-inner-voice-of-love-a-journey-through-anguish-to.pdf
    • http://www.gorillawalker.com/josephine-baker-image-and-icon.pdf
    • http://www.gorillawalker.com/a-lecture-on-homeopathy.pdf
    • http://www.gorillawalker.com/cognition-intelligence-and-achievement-a-tribute-to-j-p-das.pdf
    • http://www.gorillawalker.com/thomas-jefferson-s-paris-princeton-legacy-library.pdf
    • http://www.gorillawalker.com/stardom-addiction-kindle-edition.pdf
    • http://www.gorillawalker.com/my-uncle-stephen-leacock-goodread-biographies.pdf
    • http://www.gorillawalker.com/stuff-matters-exploring-the-marvelous-materials-that-shape-our-man.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/