Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6a22a6dbb9cb4ec…

MALICIOUS

PDF

31.9 KB Created: 2019-12-14 01:16:16 +03:00 Authoring application: AutoCAD 2010 2010 (18.0s (LMS Tech)) (via pdfplot10.hdi 10.0.55.0)
MD5: 7be89239f6cc114b9ba53f4e7998e04f SHA-1: 5fd0aae60100b35fd4b30a4756b9e1c5348cb9e0 SHA-256: d6a22a6dbb9cb4ecbebde1f50775a628211810ff723e7e4b6f7330228da2bfd9
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links pointing to external PDF files on the domain 'gorillawalker.com'. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8447

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/bravest-warriors-vol-4.pdf
    • http://www.gorillawalker.com/film-on-the-faultline.pdf
    • http://www.gorillawalker.com/a-practical-guide-to-ultrasound-of-fetal-anomalies.pdf
    • http://www.gorillawalker.com/reframe-your-thinking-around-autism-how-the-polyvagal-theory-and.pdf
    • http://www.gorillawalker.com/bucket-list-bars-historic-saloons-pubs-and-dives-of-america.pdf
    • http://www.gorillawalker.com/lonesome-october-a-cat-s-halloween.pdf
    • http://www.gorillawalker.com/the-triple-agent-the-al-qaeda-mole-who-infiltrated-the.pdf
    • http://www.gorillawalker.com/california-real-estate-audio-exam-guide.pdf
    • http://www.gorillawalker.com/les-choristes-bande-originale-du-film-french-edition.pdf
    • http://www.gorillawalker.com/liebusters.pdf
    • http://www.gorillawalker.com/lonely-planet-turquia-spanish-edition.pdf
    • http://www.gorillawalker.com/borderline-a-novel.pdf
    • http://www.gorillawalker.com/vocabulary-in-context-for-the-common-core-standards-reproducible-grade.pdf
    • http://www.gorillawalker.com/the-sissy-submits.pdf
    • http://www.gorillawalker.com/jarod-s-heart-a-king-brothers-novel-king-brothers-stories.pdf
    • http://www.gorillawalker.com/introduction-to-numerical-electrostatics-using-matlab.pdf
    • http://www.gorillawalker.com/historias-de-letras-palabras-y-frases-spanish-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/the-deadly-storm-the-battle-beyond-volume-2.pdf
    • http://www.gorillawalker.com/secrets-of-millionaire-moms-learn-how-they-turned-great-ideas.pdf
    • http://www.gorillawalker.com/castro-s-secrets-cuban-intelligence-the-cia-and-the-assassination.pdf
    • http://www.gorillawalker.com/luther-s-works-church-postil-ii-luther-s-works-concordia.pdf
    • http://www.gorillawalker.com/everyman-in-plain-and-simple-english.pdf
    • http://www.gorillawalker.com/line-of-dominoes-cascading-poems-by-the-5th-graders-of.pdf
    • http://www.gorillawalker.com/wings-how-to-become-a-military-pilot.pdf
    • http://www.gorillawalker.com/the-theory-of-transformations-in-metals-and-alloys-v-1.pdf
    • http://www.gorillawalker.com/cell-lipids-volume-40-current-topics-in-membranes.pdf
    • http://www.gorillawalker.com/popular-education-and-social-change-in-latin-america.pdf
    • http://www.gorillawalker.com/copyright-in-school-libraries-the-library-association-copyright-guides.pdf
    • http://www.gorillawalker.com/consultations-in-dermatology-studies-of-orphan-and-unique-patients.pdf
    • http://www.gorillawalker.com/finger-lakes-almanac-a-guide-to-the-natural-year.pdf
    • http://www.gorillawalker.com/lima-la-horrible-lima-the-horrible-clasicos-latinoamericanos-latin-american.pdf
    • http://www.gorillawalker.com/malaga-surf-historia-del-surf-y-bodyboard-1970-2000-spanish.pdf
    • http://www.gorillawalker.com/london-step-by-step.pdf
    • http://www.gorillawalker.com/keys-to-great-writing.pdf
    • http://www.gorillawalker.com/cocoa-cycles-the-economics-of-cocoa-supply.pdf
    • http://www.gorillawalker.com/national-geographic-magazine-october-1984-volume-166-number-4.pdf
    • http://www.gorillawalker.com/in-re-cooperman.pdf
    • http://www.gorillawalker.com/by-anthony-r-kovner-mpa-phd-jonas-and-kovner-s.pdf
    • http://www.gorillawalker.com/arizona-juvenile-law-baldwin-s-handbook-series.pdf
    • http://www.gorillawalker.com/1000-lights.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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