Malicious PDF — malware analysis report

Static analysis result for SHA-256 041240603377194d…

MALICIOUS

PDF

34.3 KB Created: 2020-02-21 03:31:41 +03:00 Authoring application: QuarkXPress(R) 8.0
MD5: c3860802c67a179610f035b046a506d6 SHA-1: c8a87420026f0511b5f7aa73ec64958cb2fdd20d SHA-256: 041240603377194d5490d96db6041815869a6f2dbfe623bc472dc8302891d072
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external websites, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged the document as malicious. While no scripts were extracted, the sheer volume of links suggests an attempt to manipulate search engine rankings or redirect users to potentially malicious content hosted on these domains.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8018

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/reflections-of-a-jersey-shore-summer.pdf
    • http://www.gorillawalker.com/geotechnical-engineering-soil-mechanics.pdf
    • http://www.gorillawalker.com/why-college-matters-to-god-a-student-s-introduction-to.pdf
    • http://www.gorillawalker.com/catholic-bible-stories-first-communion-edition.pdf
    • http://www.gorillawalker.com/cooking-with-trader-joe-s-cookbook-gluten-free-by-deana.pdf
    • http://www.gorillawalker.com/delf-prim-a1-livre-de-l-eleve-cd-audio-french.pdf
    • http://www.gorillawalker.com/the-democratic-party-opposing-viewpoints.pdf
    • http://www.gorillawalker.com/honor-bound-my-journey-to-hell-and-back-with-amanda.pdf
    • http://www.gorillawalker.com/mind-games-emotionally-manipulative-tactics-partners-use-to-control-relationshi.pdf
    • http://www.gorillawalker.com/nos-amours-prends-moi-partout-po.pdf
    • http://www.gorillawalker.com/a-talent-for-war-the-military-biography-of-lt-gen.pdf
    • http://www.gorillawalker.com/oae-english-language-arts-020-secrets-study-guide-oae-test.pdf
    • http://www.gorillawalker.com/top-10-vienna-eyewitness-top-10-travel-guides-kindle-edition.pdf
    • http://www.gorillawalker.com/learning-mission-living-mission-churches-that-work-living-church.pdf
    • http://www.gorillawalker.com/electric-circuits-fundamentals-5th-edition.pdf
    • http://www.gorillawalker.com/alcoholic-liver-disease-bailliere-s-clinical-gastroenterology.pdf
    • http://www.gorillawalker.com/negotiating-construction-law-disputes-leading-lawyers-on-evaluating-disputes-assessing.pdf
    • http://www.gorillawalker.com/telesurgery.pdf
    • http://www.gorillawalker.com/command-and-control-nuclear-weapons-the-damascus-accident-and-the.pdf
    • http://www.gorillawalker.com/sport-prison-of-measured-ti.pdf
    • http://www.gorillawalker.com/welcome-to-college-viii-boy-trouble.pdf
    • http://www.gorillawalker.com/la-guia-completa-sobre-albanileria-y-mamposteria-incluye-trabajos-decorativos.pdf
    • http://www.gorillawalker.com/fun-with-scientific-experiments-learning-with-fun.pdf
    • http://www.gorillawalker.com/the-great-songs-of-gershwin-piano-vocal.pdf
    • http://www.gorillawalker.com/handbook-of-solid-state-batteries-2nd-edition-materials-and-energy.pdf
    • http://www.gorillawalker.com/guns-n-roses-use-your-illusion-ii.pdf
    • http://www.gorillawalker.com/concerto-for-clarinet-and-string-orchestra-with-harp-and-piano.pdf
    • http://www.gorillawalker.com/eugene-m-schwartz-s-breakthrough-advertising-made-easy-timeless-copywriting.pdf
    • http://www.gorillawalker.com/the-handbook-of-development-communication-and-social-change-global-handbooks.pdf
    • http://www.gorillawalker.com/junior-comes-clean-veggietales-i-can-read-i-can-read.pdf
    • http://www.gorillawalker.com/the-early-church-the-penguin-history-of-the-church-v.pdf
    • http://www.gorillawalker.com/radical-relationships.pdf
    • http://www.gorillawalker.com/funk-wagnalls-new-encyclopedia-vol-9.pdf
    • http://www.gorillawalker.com/aesthetic-breast-surgery-concepts-techniques.pdf
    • http://www.gorillawalker.com/reckoning-book-thirteen-sweep-13.pdf
    • http://www.gorillawalker.com/jesus-personality-theory-exploring-the-five-factor-model-kindle-edition.pdf
    • http://www.gorillawalker.com/the-economics-of-foreign-exchange-and-global-finance.pdf
    • http://www.gorillawalker.com/rhythmical-alchemy-playshop-volume-1-drum-circle-games-book-dvd.pdf
    • http://www.gorillawalker.com/diccionario-juridico-2-tomos-english-spanish-espanol-ingles-spanish-edition.pdf
    • http://www.gorillawalker.com/teen-health-course-2-chapter-11-fast-file-personal-health.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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