Malicious PDF — malware analysis report

Static analysis result for SHA-256 8b0bc587b0924479…

MALICIOUS

PDF

41.0 KB Created: 2018-12-03 17:09:12 +03:00 Authoring application: - (via Acrobat Distiller 3.0 for Power Macintosh)
MD5: b34ac2fcd7811e68efa724170c9290c1 SHA-1: 4c2f18324d7b6f3534b6b93b33736fc08f6468eb SHA-256: 8b0bc587b0924479b0af0c4a7b378cc3ae6f9cfcb3973f92382ab09a5954677d
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to redirect users to malicious content. The ML classifier also flagged this document as malicious. No scripts were extracted, and the document body was heavily obfuscated, preventing further analysis of its specific intent beyond link distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8779

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/arco-iris-rainbow-blob-manchitas-the-little-blobs-spanish-edition.pdf
    • http://www.gorillawalker.com/meningiomas-management-outlook-and-surgery.pdf
    • http://www.gorillawalker.com/strike-it-happy-101-reflections-to-revolutionize-your-life-kindle.pdf
    • http://www.gorillawalker.com/building-construction-diagram-models-with-cd-rom-employment-oriented-vocational.pdf
    • http://www.gorillawalker.com/marine-electrical-practice.pdf
    • http://www.gorillawalker.com/diccionario-espanol-aleman-deutsch-spanisch-vertice-spanish-edition.pdf
    • http://www.gorillawalker.com/how-to-draw-fantasy-females-create-sexy-cyberpunks-seductive-supergirls.pdf
    • http://www.gorillawalker.com/black-samurai-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/by-robert-j-blake-akiak-a-tale-from-the-iditarod.pdf
    • http://www.gorillawalker.com/the-conscience-of-a-liberal-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/understanding-social-security-second-edition-issues-for-policy-and-practice.pdf
    • http://www.gorillawalker.com/core-jstl-mastering-the-jsp-standard-tag-library.pdf
    • http://www.gorillawalker.com/dust-wars.pdf
    • http://www.gorillawalker.com/zurich-1953-15-contenders-for-the-world-chess-championship.pdf
    • http://www.gorillawalker.com/nostalgia-de-charlie-parker-la-historia-de-bird-biorritmos-spanish.pdf
    • http://www.gorillawalker.com/amparito-roca-march-for-brass-ensemble.pdf
    • http://www.gorillawalker.com/dealbh-chluichean-scots-gaelic-edition.pdf
    • http://www.gorillawalker.com/pegged-in-panties-crossdressing-pegging-erotica.pdf
    • http://www.gorillawalker.com/pemberley-shades-pride-and-prejudice-continues.pdf
    • http://www.gorillawalker.com/the-southend-united-quiz-book.pdf
    • http://www.gorillawalker.com/get-your-hand-out-of-my-purse-i-m-not.pdf
    • http://www.gorillawalker.com/quick-typing-a-self-teaching-guide-wiley-self-teaching-guides.pdf
    • http://www.gorillawalker.com/luke-complete-series-omnibus-edition.pdf
    • http://www.gorillawalker.com/w-hrend-mein-schutzengel-schlief-german-edition.pdf
    • http://www.gorillawalker.com/more-sky.pdf
    • http://www.gorillawalker.com/trailer-life-s-towing-guide-a-trailer-life-book.pdf
    • http://www.gorillawalker.com/writing-and-reporting-news-a-coaching-method-wadsworth-series-in.pdf
    • http://www.gorillawalker.com/dona-nobis-pacem-franz-joseph-haydn-satb-sheet-music.pdf
    • http://www.gorillawalker.com/the-aztecs-life-in-tenochtitlan-life-in-ancient-civilizations.pdf
    • http://www.gorillawalker.com/allez-viens-level-2-cd-rom.pdf
    • http://www.gorillawalker.com/always-enough-enough-series.pdf
    • http://www.gorillawalker.com/trackday-car-preparation-speedpro-series.pdf
    • http://www.gorillawalker.com/exile-the-africa-trilogy.pdf
    • http://www.gorillawalker.com/toward-an-economic-theory-of-income-distribution-economic-monograph.pdf
    • http://www.gorillawalker.com/delaware-hello-u-s-a.pdf
    • http://www.gorillawalker.com/birmingham-the-photographic-atlas.pdf
    • http://www.gorillawalker.com/primates-and-philosophers-how-morality-evolved-princeton-science-library.pdf
    • http://www.gorillawalker.com/chronic-illness-impact-and-intervention-7th-seventh-edition.pdf
    • http://www.gorillawalker.com/aspca-complete-dog-training-manual.pdf
    • http://www.gorillawalker.com/jackson-s-mixed-martial-arts-the-stand-up-game.pdf
    • http://www.gorillawalker.com/diccionario-espanol-aleman-deutsch-spanisch-vertice-spanish-edit
    • 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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