Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab49c5fbd9b592fe…

MALICIOUS

PDF

35.6 KB Created: 2019-12-13 18:32:34 +03:00 Authoring application: FrameMaker 11.0.2 (via Acrobat Elements 10.0.0 (Windows))
MD5: c9777081a47346e96241e9156b6e6745 SHA-1: d5a1a69084792a32e38886aa72743eece4671d29 SHA-256: ab49c5fbd9b592fe3228e138e960d56f7bb47fbb4ad2d14a510c509eb2de860e
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged the document as malicious. While no scripts were extracted, the sheer volume of links suggests an attempt to manipulate search engine results or distribute potentially harmful content through these external references. The document body was unreadable, preventing a more specific assessment of its lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8255

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/pop-quartets-for-all-horn-in-f-instrumental-ensembles-for.pdf
    • http://www.gorillawalker.com/yellowstone-s-rebirth-by-fire-rising-from-the-ashes-of.pdf
    • http://www.gorillawalker.com/aerospace-international-directory-of-world-airlines.pdf
    • http://www.gorillawalker.com/kittens-puppies-2015-mini-7x7-multilingual-edition.pdf
    • http://www.gorillawalker.com/paradox-the-nine-greatest-enigmas-in-physics.pdf
    • http://www.gorillawalker.com/minor-buddhist-text-part-2.pdf
    • http://www.gorillawalker.com/more-conquering-aphasia-and-stroke-volume-3-more-guidance-for.pdf
    • http://www.gorillawalker.com/the-curious-bartender-the-artistry-and-alchemy-of-creating-the.pdf
    • http://www.gorillawalker.com/irritable-bowel-syndrome-prevention-an-article-from-nwhrc-health-center.pdf
    • http://www.gorillawalker.com/2012-carolyn-gavin-flowers-magneto-diary-small-english-german-french.pdf
    • http://www.gorillawalker.com/150-curiosidades-de-la-biblia-fun-facts-spanish-edition.pdf
    • http://www.gorillawalker.com/everyone-loves-you-when-you-re-dead-journeys-into-fame.pdf
    • http://www.gorillawalker.com/a-history-of-kentucky-and-kentuckians-volume-2-the-leaders.pdf
    • http://www.gorillawalker.com/a-mathematical-introduction-to-conformal-field-theory-lecture-notes-in.pdf
    • http://www.gorillawalker.com/i-am-rosa-parks-penguin-young-readers-l4.pdf
    • http://www.gorillawalker.com/the-profitable-consultant-starting-growing-and-selling-your-expertise.pdf
    • http://www.gorillawalker.com/control-freak-hormones-the-brain-and-the-nervous-system-body.pdf
    • http://www.gorillawalker.com/rise-up-singing-black-women-writers-on-motherhood.pdf
    • http://www.gorillawalker.com/do-i-look-fat-in-this.pdf
    • http://www.gorillawalker.com/the-history-of-higher-education-ashe-reader-series.pdf
    • http://www.gorillawalker.com/young-abe-lincoln-the-frontier-days-1809-1837.pdf
    • http://www.gorillawalker.com/dissolution-of-the-medieval-outlook-an-essay-on-intellectual-and.pdf
    • http://www.gorillawalker.com/gender-and-the-politics-of-history.pdf
    • http://www.gorillawalker.com/computer-guided-applications-for-dental-implants-bone-grafting-and-reconstructive.pdf
    • http://www.gorillawalker.com/the-heresy-of-ecumenism-and-the-patristic-stand-of-the.pdf
    • http://www.gorillawalker.com/mind-dimensions-books-0-1-2.pdf
    • http://www.gorillawalker.com/a-lenten-journey-with-jesus-christ-and-st-john-of.pdf
    • http://www.gorillawalker.com/position-pieces-for-cello-by-rick-mooney-jun-1-1997.pdf
    • http://www.gorillawalker.com/drawing-faeries-a-believer-s-guide.pdf
    • http://www.gorillawalker.com/the-tools-of-working-men-a-hernia-belt-sweatsmen-blue.pdf
    • http://www.gorillawalker.com/becoming-the-performer-disney-is-looking-for-performing-for-the.pdf
    • http://www.gorillawalker.com/the-great-passion.pdf
    • http://www.gorillawalker.com/environmental-conflict-management.pdf
    • http://www.gorillawalker.com/sweet-secrets.pdf
    • http://www.gorillawalker.com/under-his-spell-my-boyfriend-is-a-monster.pdf
    • http://www.gorillawalker.com/biking-to-blissville-a-cycling-guide-to-the-maritimes-and.pdf
    • http://www.gorillawalker.com/the-travels-and-adventures-of-the-turkish-admiral-sidi-ali.pdf
    • http://www.gorillawalker.com/american-heritage-history-of-the-battle-of-gettysburg.pdf
    • http://www.gorillawalker.com/multiverse-exploring-poul-anderson-s-worlds-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/holt-elements-of-language-vocabulary-workshop-fifth-course.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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