Malicious PDF — malware analysis report

Static analysis result for SHA-256 42eb955cc07f895a…

MALICIOUS

PDF

45.8 KB Created: 2018-12-14 20:05:37 +03:00 Authoring application: - (via ABBYY FineReader 9.0 Sprint)
MD5: b46afbc3d73209975ae4b2faff6fbbe2 SHA-1: 709b010c57f180e0bc0d32d524efc852c9bbf42e SHA-256: 42eb955cc07f895af5f4ed96e8fe84a9b38078624110479e99ad23dfbbb8bd2a
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted, and the document body was not readable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8974

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/mozart-w-a-ave-verum-corpus-motet-k-618-two.pdf
    • http://www.gorillawalker.com/case-studies-in-hemostasis-laboratory-diagnosis-and-management.pdf
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    • http://www.gorillawalker.com/martial-maneuvers-fighting-principles-and-tactics-of-the-internal-martial.pdf
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    • http://www.gorillawalker.com/general-theory-of-law-and-state-20th-century-legal-philosophy.pdf
    • http://www.gorillawalker.com/by-entrepreneur-press-start-your-own-senior-services-business-homecare.pdf
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    • http://www.gorillawalker.com/titus-andronicus-arkangel-shakespeare-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/peculiar-honor-a-history-of-the-28th-texas-cavalry-1862.pdf
    • http://www.gorillawalker.com/annals-of-australian-literature.pdf
    • http://www.gorillawalker.com/the-early-stuart-masque-dance-costume-and-music.pdf
    • http://www.gorillawalker.com/profitable-beverage-management.pdf
    • http://www.gorillawalker.com/the-three-horrid-little-pigs.pdf
    • http://www.gorillawalker.com/examining-philosophy-and-ethics-answers-for-a-level.pdf
    • http://www.gorillawalker.com/maya-angelou-a-biography-of-an-award-winning-poet-and.pdf
    • http://www.gorillawalker.com/marco-polo-was-in-china-new-evidence-from-currencies-salts.pdf
    • http://www.gorillawalker.com/coffee-tea-and-holy-water-one-woman-s-journey-to.pdf
    • http://www.gorillawalker.com/the-dolphin-s-message-greek-beasts-and-heroes.pdf
    • http://www.gorillawalker.com/13-hours-the-inside-account-of-what-really-happened-in.pdf
    • http://www.gorillawalker.com/fire-retardancy-of-polymers-the-use-of-intumescence.pdf
    • http://www.gorillawalker.com/heavy-metal-magazine-august-1978-vol-ii-no-4.pdf
    • http://www.gorillawalker.com/acis-and-galatea-hwv-49-viola-part-a2304.pdf
    • http://www.gorillawalker.com/latecomers.pdf
    • http://www.gorillawalker.com/harrington-the-commonwealth-of-oceana-and-a-system-of-politics.pdf
    • http://www.gorillawalker.com/2015-children-s-writer-s-illustrator-s-market-the-most.pdf
    • http://www.gorillawalker.com/juvenile-law-cases-and-comments-criminal-justice-series-hardcover-by.pdf
    • http://www.gorillawalker.com/25-bridge-conventions-you-should-know-part-1-learn-these.pdf
    • http://www.gorillawalker.com/dust-tea-dingoes-and-dragons-adventures-in-culture-cuisine-and.pdf
    • http://www.gorillawalker.com/routledge-philosophy-guidebook-to-kant-on-judgment-routledge-philosophy-guidebooks.pdf
    • http://www.gorillawalker.com/the-perfectly-imperfect-home-how-to-decorate-and-live-well.pdf
    • http://www.gorillawalker.com/new-paradigms-babel.pdf
    • http://www.gorillawalker.com/handbook-of-simulation-optimization-international-series-in-operations-research-management.pdf
    • http://www.gorillawalker.com/martial-maneuvers-fighting-principles-and-tactics-of
    • 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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