Malicious PDF — malware analysis report

Static analysis result for SHA-256 e932b0ec339e364f…

MALICIOUS

PDF

43.9 KB Created: 2018-12-14 20:22:21 +03:00 Authoring application: CorelDRAW X5 (via Corel PDF Engine Version 15.0.0.486)
MD5: 16d8d8406250d8b525cdd4b1fbcf9f61 SHA-1: 749c876fb1852611933c4ee9574df20da1609861 SHA-256: e932b0ec339e364f4a191f05107cd7a19d7af15a41ea5b583363cb7a8fe94781
90 Risk Score

Malware Insights

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

The PDF was flagged by a machine learning classifier as malicious and contains a large number of embedded external links. The heuristic 'PDF_SEO_LINK_FARM' indicates that the document is designed to host numerous links, likely for SEO manipulation or to distribute further malicious content. No scripts were extracted from this sample, and the document body was heavily obfuscated, making it difficult to determine the exact user-facing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9016

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/slovensko-slovakia-slowakei-automapa-road-map-autokarte-map.pdf
    • http://www.gorillawalker.com/blitzkrieg-armour-camouflage-markings-1939-1940.pdf
    • http://www.gorillawalker.com/corazon-de-perro-mikhail-boulgakov-spanish-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/ring-the-bell-the-twenty-two-greatest-penn-state-football.pdf
    • http://www.gorillawalker.com/polypeptide-and-protein-drugs-production-characterization-and-formulation-ellis-horwood.pdf
    • http://www.gorillawalker.com/industrial-firefighting-for-municipal-firefighters.pdf
    • http://www.gorillawalker.com/the-russian-army-of-the-napoleonic-wars-men-at-arms.pdf
    • http://www.gorillawalker.com/jane-under-construction-a-professional-cuckold-adventure-professional-cuckold-adventures.pdf
    • http://www.gorillawalker.com/12-seeds-for-successful-relationships.pdf
    • http://www.gorillawalker.com/ball-lightning-an-unsolved-problem-in-atmospheric-physics.pdf
    • http://www.gorillawalker.com/the-concise-oxford-dictionary-of-english-etymology-oxford-paperback-reference.pdf
    • http://www.gorillawalker.com/the-21-lessons-of-merlyn-a-study-in-druid-magic.pdf
    • http://www.gorillawalker.com/handbook-of-modern-pharmaceutical-analysis-volume-10-second-edition-separation.pdf
    • http://www.gorillawalker.com/die-kartellrechtliche-beurteilung-von-unterkostenpreisen-marktm-chtiger-unternehmen-auf-europ.pdf
    • http://www.gorillawalker.com/carousels-level-f-houghton-mifflin-reading.pdf
    • http://www.gorillawalker.com/i-won-t-give-up-on-you-black-hollywood-series.pdf
    • http://www.gorillawalker.com/textbook-of-hepatology-2-volume-set-from-basic-science-to.pdf
    • http://www.gorillawalker.com/a-contract-engagement-harlequin-desire.pdf
    • http://www.gorillawalker.com/jack-johnson-strum-sing.pdf
    • http://www.gorillawalker.com/essential-scrum-a-practical-guide-to-the-most-popular-agile.pdf
    • http://www.gorillawalker.com/lakeside-company-case-studies-in-auditing-12th-edition.pdf
    • http://www.gorillawalker.com/all-about-digestion-health-facts.pdf
    • http://www.gorillawalker.com/manual-on-hydrocarbon-analysis-astm-manual-series.pdf
    • http://www.gorillawalker.com/rock-paper-tiger.pdf
    • http://www.gorillawalker.com/la-estrategia-del-pequin-s-spanish-edition.pdf
    • http://www.gorillawalker.com/topology-from-the-differentiable-viewpoint.pdf
    • http://www.gorillawalker.com/freeing-tanner-rose-faith-kung-fu-volume-1.pdf
    • http://www.gorillawalker.com/queen-amina-of-zaria-queens-of-africa-book-1.pdf
    • http://www.gorillawalker.com/how-to-play-rugby-football.pdf
    • http://www.gorillawalker.com/collins-turkish-phrasebook-and-dictionary-collins-gem.pdf
    • http://www.gorillawalker.com/cisco-extends-ecdn-category-an-article-from-edp-weekly-s.pdf
    • http://www.gorillawalker.com/room-in-the-heart.pdf
    • http://www.gorillawalker.com/philippines-collection-les-grands-voyages-french-edition.pdf
    • http://www.gorillawalker.com/brian-boru-emperor-of-the-irish.pdf
    • http://www.gorillawalker.com/a-villa-in-tuscany-recipes-from-villa-san-michele-romantic.pdf
    • http://www.gorillawalker.com/rhetoric-and-reality-in-air-warfare-the-evolution-of-british.pdf
    • http://www.gorillawalker.com/the-painted-face-portraits-of-women-in-france-1814-1914.pdf
    • http://www.gorillawalker.com/coretta-scott-king-civil-rights-activist-black-americans-of-achievement.pdf
    • http://www.gorillawalker.com/nonlinear-digital-filters-principles-and-applications-the-springer-international-series.pdf
    • http://www.gorillawalker.com/lighthouses-great-architecture.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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