Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c014c7a0c00ac2f…

MALICIOUS

PDF

43.1 KB Created: 2018-11-30 01:48:18 +03:00 Authoring application: PScript5.dll Version 5.2.2 (via iText 2.1.7 by 1T3XT)
MD5: ac4f1b585c9affcfb436bb890061c52d SHA-1: 072af7e1d204e73341d898e909c219e50d3164e2 SHA-256: 6c014c7a0c00ac2fe9c0491f4be37d80128b769cf1e7c58597b3981a0d05d4fe
92 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 also flagged the document as malicious. While no scripts were explicitly extracted, the nature of the embedded links suggests an attempt to redirect the user to a potentially malicious site or to manipulate search engine results.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8856

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-jewish-sources-of-the-sermon-on-the-mount.pdf
    • http://www.gorillawalker.com/betty-crocker-living-with-cancer-cookbook-1st-first-edition-by.pdf
    • http://www.gorillawalker.com/basic-chiropractic-paraprofessional-manual.pdf
    • http://www.gorillawalker.com/reaver-demonica.pdf
    • http://www.gorillawalker.com/national-geographic-january-june-1969-volume-135.pdf
    • http://www.gorillawalker.com/dynamic-analysis-and-design-of-offshore-structures-ocean-engineering-oceanography.pdf
    • http://www.gorillawalker.com/unplanned-the-dramatic-true-story-of-a-former-planned-parenthood.pdf
    • http://www.gorillawalker.com/the-skeleton-in-your-grandfather-s-cupboard.pdf
    • http://www.gorillawalker.com/sex-before-the-sexual-revolution-intimate-life-in-england-1918.pdf
    • http://www.gorillawalker.com/medieval-tyrant-mystery-of-the-allfathers-medieval-future-book-2.pdf
    • http://www.gorillawalker.com/surfing-s-greatest-misadventures.pdf
    • http://www.gorillawalker.com/get-that-interview-create-a-cv-and-cover-letter-that.pdf
    • http://www.gorillawalker.com/blanco-omega-2-0-el-poder-de-los-fragmentos-volume.pdf
    • http://www.gorillawalker.com/tapestries-of-hope-threads-of-love-the-arpillera-movement-in.pdf
    • http://www.gorillawalker.com/the-northern-danelaw-its-social-structure-c-800-1100-studies.pdf
    • http://www.gorillawalker.com/mel-bay-solo-pieces-for-the-beginning-flutist.pdf
    • http://www.gorillawalker.com/varieties-of-personal-theology-charting-the-beliefs-and-values-of.pdf
    • http://www.gorillawalker.com/harajuku-style-fun-fashions-you-can-sketch-drawing-fun-fashions.pdf
    • http://www.gorillawalker.com/kids-like-sight-word-readers.pdf
    • http://www.gorillawalker.com/the-woman-who-heard-color.pdf
    • http://www.gorillawalker.com/royal-offers-int-l-business-protection-coverage-royal-group-inc.pdf
    • http://www.gorillawalker.com/new-herb-bible-growing-and-knowing-your-herbs-and-how.pdf
    • http://www.gorillawalker.com/legal-guide-to-aia-documents.pdf
    • http://www.gorillawalker.com/the-bad-girl-and-the-good-boy.pdf
    • http://www.gorillawalker.com/the-complete-book-of-home-canning.pdf
    • http://www.gorillawalker.com/your-life-student-book-bk-2.pdf
    • http://www.gorillawalker.com/pranic-healing-using-breathing-with-healing-mantras.pdf
    • http://www.gorillawalker.com/acute-stroke-nursing.pdf
    • http://www.gorillawalker.com/cisco-unity-connection-networking-technology-ip-communications.pdf
    • http://www.gorillawalker.com/the-films-of-kristen-bjorn.pdf
    • http://www.gorillawalker.com/americana-hawaiiana-travel-exploration-cartography-sale-396-january-29-2009.pdf
    • http://www.gorillawalker.com/the-quest-for-the-pro-tour.pdf
    • http://www.gorillawalker.com/win-at-scrabble-kindle-edition.pdf
    • http://www.gorillawalker.com/the-listener-s-kjv-mp3-audio-bible.pdf
    • http://www.gorillawalker.com/the-serpent-kindle-edition.pdf
    • http://www.gorillawalker.com/religious-nationalism-hindus-and-muslims-in-india.pdf
    • http://www.gorillawalker.com/applications-of-solar-energy-for-heating-and-cooling-of-buildings.pdf
    • http://www.gorillawalker.com/faur-dolly-suite-for-one-piano-four-hands-alfred-masterwork.pdf
    • http://www.gorillawalker.com/pasta-and-co-by-request.pdf
    • http://www.gorillawalker.com/the-formation-of-american-local-governments-private-values-in-public.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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