Malicious PDF — malware analysis report

Static analysis result for SHA-256 0192cead89c17399…

MALICIOUS

PDF

43.7 KB Created: 2018-12-15 08:11:15 +03:00 Authoring application: Adobe Acrobat 6.02 (via Adobe Acrobat 6.0)
MD5: 7a034c9a178edbdc5c3e4b435ddbae82 SHA-1: 52360c524a861b6fe761b66c8659ff073aa3253a SHA-256: 0192cead89c17399f38e1a578ddddc3407bfbf12f4cdf73c7b79e56c9615a083
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious File

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. The primary purpose appears to be directing users to a vast collection of documents on the gorillawalker.com domain, potentially for SEO manipulation or to serve as a distribution point for further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8439

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/myths-facts-about-lung-cancer-what-you-need-to-know.pdf
    • http://www.gorillawalker.com/case-studies-in-occupational-epidemiology.pdf
    • http://www.gorillawalker.com/apocrypha-arabica-the-ancient-manuscripts-annotated-the-tale-of-king.pdf
    • http://www.gorillawalker.com/survival-on-the-spiritual-battlefield-a-christian-warrior-training-manual.pdf
    • http://www.gorillawalker.com/human-sexuality-from-cells-to-society.pdf
    • http://www.gorillawalker.com/bali-a-paradise-created.pdf
    • http://www.gorillawalker.com/succeeding-with-change-implementing-action-driven-strategies.pdf
    • http://www.gorillawalker.com/all-of-you-between-breaths.pdf
    • http://www.gorillawalker.com/maybe-one-a-personal-and-environmental-argument-for-single-child.pdf
    • http://www.gorillawalker.com/jacob-s-rescue.pdf
    • http://www.gorillawalker.com/the-chill-of-night-a-mccabe-and-savage-thriller-mccabe.pdf
    • http://www.gorillawalker.com/pieces-of-time-peter-bogdanovich-on-the-movies.pdf
    • http://www.gorillawalker.com/cure-yourself-naturally-what-to-do-when-your-doctor-cannot.pdf
    • http://www.gorillawalker.com/the-walking-dead-the-fall-of-the-governor-part-two.pdf
    • http://www.gorillawalker.com/tenemos-que-hablar-como-evitar-los-danos-del-divorcio-actualidad.pdf
    • http://www.gorillawalker.com/bach-famous-pieces-10-arrangements-for-piano.pdf
    • http://www.gorillawalker.com/lonely-planet-moscow-travel-guide-kindle-edition.pdf
    • http://www.gorillawalker.com/her-gang-fantasy-her-erotica-group-encounter.pdf
    • http://www.gorillawalker.com/critical-social-theory-in-public-administration.pdf
    • http://www.gorillawalker.com/mining-geostatistics.pdf
    • http://www.gorillawalker.com/man-in-the-cosmos-g-i-gurdjieff-and-modern-science.pdf
    • http://www.gorillawalker.com/an-evidence-based-approach-to-the-evaluation-and-treatment-of.pdf
    • http://www.gorillawalker.com/epica-book-8-europe-s-best-advertising-the-kodak-pro.pdf
    • http://www.gorillawalker.com/100-jahre-biene-maja-vom-kinderbuch-zum-kassenschlager-studien-zur.pdf
    • http://www.gorillawalker.com/the-madhouse.pdf
    • http://www.gorillawalker.com/the-revenge-of-history-the-battle-for-the-21st-century.pdf
    • http://www.gorillawalker.com/the-great-clay-adventure-creative-handbuilding-projects-for-young-artists.pdf
    • http://www.gorillawalker.com/physical-chemistry-of-macromolecules-basic-principles-and-issues.pdf
    • http://www.gorillawalker.com/universe-and-beyond.pdf
    • http://www.gorillawalker.com/the-vital-spark-the-development-of-aero-engine-sparking-plugs.pdf
    • http://www.gorillawalker.com/anthroposophy-and-the-inner-life-an-esoteric-introduction.pdf
    • http://www.gorillawalker.com/minerals-and-rocks-exercises-in-crystal-and-mineral-chemistry-crystallography.pdf
    • http://www.gorillawalker.com/understanding-air-france-447.pdf
    • http://www.gorillawalker.com/karen-green-bough-down.pdf
    • http://www.gorillawalker.com/writing-nursing-diagnoses-a-critical-thinking-approach.pdf
    • http://www.gorillawalker.com/you-will-design-space-engines-you-will-space-book-1.pdf
    • http://www.gorillawalker.com/hayride-saddle-club-31.pdf
    • http://www.gorillawalker.com/code-of-federal-regulations-title-11-federal-elections-revised-as.pdf
    • http://www.gorillawalker.com/eight-days-in-september-the-removal-of-thabo-mbeki.pdf
    • http://www.gorillawalker.com/the-psychology-of-handwriting-secrets-of-handwriting-analysis.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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