Malicious PDF — malware analysis report

Static analysis result for SHA-256 141bb8cf42ca71f4…

MALICIOUS

PDF

33.6 KB Created: 2020-02-20 05:58:49 +03:00 Authoring application: DVIPSONE 2.2.4 http://www.YandY.com (via Acrobat Distiller 7.0.5 (Windows))
MD5: d4e5136ef5f5e9d90f5f993a08509576 SHA-1: ced312ddc446713b13dfa204ab96594f7354aa52 SHA-256: 141bb8cf42ca71f4af9f7f34edb537ede3ebed7e9d4c130fa033c298c6dce5f8
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The PDF was flagged by a machine learning classifier and contains a large number of embedded external links, identified as a PDF SEO link farm. This suggests the document's primary purpose is to redirect users to a multitude of other PDF files, potentially for malicious SEO manipulation or to serve as a distribution point for further malware. No scripts were extracted, and the document body was unreadable, limiting the analysis to the link structure and heuristic findings.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8529

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/wodehouse-at-the-wicket-a-cricketing-anthology-kindle-edition.pdf
    • http://www.gorillawalker.com/handbook-of-component-engineering.pdf
    • http://www.gorillawalker.com/the-plato-cult-and-other-philosophical-follies.pdf
    • http://www.gorillawalker.com/women-and-the-politics-of-class-paperback-2000-author-johanna.pdf
    • http://www.gorillawalker.com/the-accidental-movie-star.pdf
    • http://www.gorillawalker.com/a-short-guide-to-writing-about-history-8th-edition-short.pdf
    • http://www.gorillawalker.com/a-is-for-aleeya-child-like-me.pdf
    • http://www.gorillawalker.com/cayman-islands-insight-pocket-guide-cayman-islands.pdf
    • http://www.gorillawalker.com/the-portraits-of-hector-berlioz-no-26-english-german-and.pdf
    • http://www.gorillawalker.com/money-laundering-legislation-regulation-enforcement.pdf
    • http://www.gorillawalker.com/jana-sanskriti-forum-theatre-and-democracy-in-india.pdf
    • http://www.gorillawalker.com/a-primer-in-data-reduction-an-introductory-statistics-textbook.pdf
    • http://www.gorillawalker.com/lost-dorsai-childe-cycle.pdf
    • http://www.gorillawalker.com/sharks-and-their-relatives-ii-biodiversity-adaptive-physiology-and-conservation.pdf
    • http://www.gorillawalker.com/the-romans-and-pompeii-hidden-worlds.pdf
    • http://www.gorillawalker.com/change-processes-in-child-psychotherapy-revitalizing-treatment-and-research.pdf
    • http://www.gorillawalker.com/murder-in-the-mystery-suite-a-book-retreat-mystery.pdf
    • http://www.gorillawalker.com/summits-and-starlight-the-canadian-rockies.pdf
    • http://www.gorillawalker.com/body-sculpting-science-at-the-edge.pdf
    • http://www.gorillawalker.com/the-immune-system-recovery-plan-a-doctor-s-4-step.pdf
    • http://www.gorillawalker.com/justice-defeated-victims-oj-simpson-and-the-american-legal-system.pdf
    • http://www.gorillawalker.com/a-girl-in-every-port.pdf
    • http://www.gorillawalker.com/human-sectional-anatomy-pocket-atlas-of-body-sections-ct-and.pdf
    • http://www.gorillawalker.com/invariant-probabilities-of-markov-feller-operators-and-their-supports-frontiers.pdf
    • http://www.gorillawalker.com/handbook-of-physical-vapor-deposition-pvd-processing-second-edition.pdf
    • http://www.gorillawalker.com/el-alquimista-junior-juvenil-roca-spanish-edition.pdf
    • http://www.gorillawalker.com/diversity-the-astd-trainer-s-sourcebook.pdf
    • http://www.gorillawalker.com/the-message-of-the-rosary-part-1-the-joyful-mysteries.pdf
    • http://www.gorillawalker.com/survival-of-the-pagan-gods-1st-edition.pdf
    • http://www.gorillawalker.com/talking-apes-and-dancing-bees.pdf
    • http://www.gorillawalker.com/the-legend-of-pfizer.pdf
    • http://www.gorillawalker.com/burns-charles-v-board-of-supervisors-of-fairfax-county-virginia.pdf
    • http://www.gorillawalker.com/infrared-spectroscopy-for-food-quality-analysis-and-control.pdf
    • http://www.gorillawalker.com/mel-bay-the-drumset-styles-encyclopedia.pdf
    • http://www.gorillawalker.com/psychosocial-disturbances-in-young-people-challenges-for-prevention-the-jacobs.pdf
    • http://www.gorillawalker.com/what-you-need-to-know-about-polycythemia-vera-it-s.pdf
    • http://www.gorillawalker.com/eight-habits-of-the-heart-embracing-the-values-that-build.pdf
    • http://www.gorillawalker.com/crime-shame-and-reintegration.pdf
    • http://www.gorillawalker.com/dinner-with-mugabe-the-untold-story-of-a-freedom-fighter.pdf
    • http://www.gorillawalker.com/evolution-and-palaeobiology-of-pterosaurs-geological-society-special-publication.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://www.YandY.com
    • 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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