Malicious PDF — malware analysis report

Static analysis result for SHA-256 06cbf7923a71bdf5…

MALICIOUS

PDF

34.7 KB Created: 2019-11-16 16:57:43 +03:00 Authoring application: FrameMaker 11.0.2 (via Acrobat Elements 10.0.0 (Windows))
MD5: ad0815413da9b7e9f5daa3405492cf30 SHA-1: af58970a63f12d384bf70ffb7f23cb053cdf7330 SHA-256: 06cbf7923a71bdf5699a289d56c667adf7d11ace37756cf09bade82c237b0e14
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF documents on the 'gorillawalker.com' domain. The ML classifier also flagged the document as malicious. The primary attack pattern appears to be SEO manipulation or potentially distributing further malicious content through these links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8018

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/marathas-marauders-and-state-formation-in-eighteenth-century-india.pdf
    • http://www.gorillawalker.com/birmingham-broadcasting-al-images-of-america.pdf
    • http://www.gorillawalker.com/kol-nidrei-adagio-after-hebrew-melodies-cello-piano-reduction-d.pdf
    • http://www.gorillawalker.com/curriculum-connections-picture-books-in-grades-3-and-up.pdf
    • http://www.gorillawalker.com/trail-runners-guide-san-francisco-bay-area.pdf
    • http://www.gorillawalker.com/101-fingerplays-stories-and-songs-to-use-with-finger-puppets.pdf
    • http://www.gorillawalker.com/snow-party.pdf
    • http://www.gorillawalker.com/persons-parts-and-property-how-should-we-regulate-human-tissue.pdf
    • http://www.gorillawalker.com/time-out-shortlist-dubrovnik.pdf
    • http://www.gorillawalker.com/mary-w-shelley-s-frankenstein-kindle-edition.pdf
    • http://www.gorillawalker.com/basic-english-grammar-volume-a-book-cds.pdf
    • http://www.gorillawalker.com/photos-as-historical-witnesses-the-first-ethiopians-in-germany-and.pdf
    • http://www.gorillawalker.com/brain-bending-trivia.pdf
    • http://www.gorillawalker.com/heating-ventilating-and-air-conditioning-analysis-and-design-6th-edition.pdf
    • http://www.gorillawalker.com/don-divas.pdf
    • http://www.gorillawalker.com/sing-anything-mastering-vocal-styles-volume-1.pdf
    • http://www.gorillawalker.com/aggregates-in-morocco-to-2015-market-databook-download-pdf-digital.pdf
    • http://www.gorillawalker.com/150-years-of-international-harvester-crestline-agricultural-series.pdf
    • http://www.gorillawalker.com/the-book-of-pistols-revolvers-an-encyclopedic-reference-work.pdf
    • http://www.gorillawalker.com/far-from-the-madding-crowd-volume-i-easyread-edition.pdf
    • http://www.gorillawalker.com/color-rendering-a-guide-for-interior-designers-and-architects.pdf
    • http://www.gorillawalker.com/concise-history-of-british-radio-1922-2002-80-years-of.pdf
    • http://www.gorillawalker.com/fiddler-on-the-roof-score.pdf
    • http://www.gorillawalker.com/too-much-is-never-enough.pdf
    • http://www.gorillawalker.com/the-ultimate-guide-to-crm-apps-zapier-app-guides-book.pdf
    • http://www.gorillawalker.com/let-s-remember-jesus-birth-on-christmas-16-page-coloring.pdf
    • http://www.gorillawalker.com/the-idea-of-the-digital-university-ancient-traditions-disruptive-technologies.pdf
    • http://www.gorillawalker.com/witnesses-to-a-world-crisis-historians-and-histories-of-the.pdf
    • http://www.gorillawalker.com/the-portugal-story-hardcover.pdf
    • http://www.gorillawalker.com/paul-moses-and-the-history-of-israel-the-letter-spirit.pdf
    • http://www.gorillawalker.com/the-vatican-history-and-treasures.pdf
    • http://www.gorillawalker.com/top-50-most-delicious-sauce-dip-salsa-recipes-recipe-top.pdf
    • http://www.gorillawalker.com/workbook-for-emergency-care.pdf
    • http://www.gorillawalker.com/the-adventures-of-oliver-twist-or-the-parish-boy-s.pdf
    • http://www.gorillawalker.com/crossdressing-transvestite-mandy.pdf
    • http://www.gorillawalker.com/nypd-stories-of-survival-from-the-world-s-toughest-beat.pdf
    • http://www.gorillawalker.com/principles-of-nuclear-medicine.pdf
    • http://www.gorillawalker.com/snapshot.pdf
    • http://www.gorillawalker.com/responding-to-chaos-tradition-technology-society-and-order-in-japanese.pdf
    • http://www.gorillawalker.com/la-musica-del-big-bang-come-la-radiazione-cosmica-di.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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