Malicious PDF — malware analysis report

Static analysis result for SHA-256 75668e5e6d45b0c0…

MALICIOUS

PDF

45.1 KB Created: 2018-12-07 18:29:09 +03:00 Authoring application: PScript5.dll Version 5.2 (via Acrobat Distiller 8.0.0 (Windows))
MD5: 306b14cacf8f0ea99a9b90ccf68554fc SHA-1: 567c116f1101b4eebd30d63e427ccdcdf5f7721e SHA-256: 75668e5e6d45b0c0da1dfa13c0db81dddac088c355559737b4b8549f55364217
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. While no scripts were explicitly extracted, the nature of the heuristic suggests the PDF is designed to drive traffic to these external resources, potentially for SEO manipulation or to serve as a distribution point for other malicious content. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious classification.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8822

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/aprendiendo-carpinteria-haga-su-biblioteca-spanish-edition.pdf
    • http://www.gorillawalker.com/vocabulary-workshop-enriched-edition-2013-answer-key-to-test-booklet.pdf
    • http://www.gorillawalker.com/dental-radiography-principles-and-techniques-third-edition-no-cd-included.pdf
    • http://www.gorillawalker.com/delete-this-at-your-peril-the-bob-servant-emails.pdf
    • http://www.gorillawalker.com/lila-na-fila-llt-kiswahili-lila-na-fila-n-e.pdf
    • http://www.gorillawalker.com/learning-to-speak-alzheimer-s-a-groundbreaking-approach-for-everyone.pdf
    • http://www.gorillawalker.com/pick-of-stamford-history-of-the-pick-motor-company.pdf
    • http://www.gorillawalker.com/the-unheard-cry-for-meaning-psychotherapy-and-humanism-touchstone-books.pdf
    • http://www.gorillawalker.com/marijuana-for-anxiety-and-stress-relief-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/garfield-gains-weight.pdf
    • http://www.gorillawalker.com/if-i-should-die-before-i-wake-kindle-edition.pdf
    • http://www.gorillawalker.com/the-actual-real-reality-of-jennifer-james-a-reality-tv.pdf
    • http://www.gorillawalker.com/outrageous-practices-the-alarming-truth-about-how-medicine-mistreats-women.pdf
    • http://www.gorillawalker.com/a-fairy-tale-life-a-story-about-hans-christian-andersen.pdf
    • http://www.gorillawalker.com/steve-canyon-volume-4-1953-1954.pdf
    • http://www.gorillawalker.com/sams-teach-yourself-delphi-4-in-21-days.pdf
    • http://www.gorillawalker.com/the-mormon-war-zion-and-the-missouri-extermination-order-of.pdf
    • http://www.gorillawalker.com/tratado-de-fisiolog-a-m-dica-student-consult-11e-spanish.pdf
    • http://www.gorillawalker.com/supervision-in-social-work-5e.pdf
    • http://www.gorillawalker.com/celebrate-mass-with-your-heart.pdf
    • http://www.gorillawalker.com/the-effect-of-fermentation-on-protein-content-of-corn-an.pdf
    • http://www.gorillawalker.com/complete-homeopathic-cures.pdf
    • http://www.gorillawalker.com/vegetarian-recipes-for-rapid-fat-loss-15-recipes-to-lose.pdf
    • http://www.gorillawalker.com/robotic-surgery-smart-materials-robotic-structures-and-artificial-muscles.pdf
    • http://www.gorillawalker.com/fashion-photography-101-by-jade-lara-10-2-2012.pdf
    • http://www.gorillawalker.com/genesis-to-revelation-matthew-student-book.pdf
    • http://www.gorillawalker.com/the-australian-people-an-encyclopedia-of-the-nation-its-people.pdf
    • http://www.gorillawalker.com/conviction-a-sequel-to-jane-austen-s-pride-and-prejudice.pdf
    • http://www.gorillawalker.com/el-extranjero-the-stranger-spanish-edition.pdf
    • http://www.gorillawalker.com/hand-on-the-line-challenging-men-to-follow-god-s.pdf
    • http://www.gorillawalker.com/gameland-episodes-1-2-deep-into-the-game-failsafe-s.pdf
    • http://www.gorillawalker.com/leed-reference-guides-for-green-interior-design-construction-2009-edition.pdf
    • http://www.gorillawalker.com/haematology-biomedical-sciences-explained.pdf
    • http://www.gorillawalker.com/assessing-conventional-army-demands-and-requirements-for-ultra-light-tactical.pdf
    • http://www.gorillawalker.com/surviving-our-world-a-journey-in-the-search-of-meaning.pdf
    • http://www.gorillawalker.com/gossip-deal-with-it-before-word-gets-around-lorimer-deal.pdf
    • http://www.gorillawalker.com/inhuman-post-human-series-book-5-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/reports-how-to-write.pdf
    • http://www.gorillawalker.com/transcendence-and-divine-passion-the-queen-mother-of-the-west.pdf
    • http://www.gorillawalker.com/compassionate-cuisine-gourmet-vegetarian-recipes.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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