Malicious PDF — malware analysis report

Static analysis result for SHA-256 34b8f42b57c7a8e3…

MALICIOUS

PDF

46.8 KB Created: 2019-04-08 20:57:22 +03:00 Authoring application: - (via Foxit Phantom Printer Version 3.0.3.0804)
MD5: 1ce655780239dca0372082339b4a1837 SHA-1: 1bc25a61b279ae5ae2eb9a1427c0416c5a0a7ea7 SHA-256: 34b8f42b57c7a8e339c9176db3f34018b00f3552532ffec9bc633470a4e943ca
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded URLs pointing to PDF files on the domain 'gorillawalker.com'. This behavior is indicative of a link farm, likely used for SEO manipulation or to distribute additional malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted, and the document body was unreadable, limiting further analysis.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8518

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/preaching-in-the-sunday-assembly-a-pastoral-commentary-on-fulfilled.pdf
    • http://www.gorillawalker.com/the-carnitine-defense-an-nutraceutical-formula-to-prevent-and-treat.pdf
    • http://www.gorillawalker.com/the-feminist-utopia-project-fifty-seven-visions-of-a-wildly.pdf
    • http://www.gorillawalker.com/a-new-oracle-of-kabbalah-mystical-teachings-of-the-hebrew.pdf
    • http://www.gorillawalker.com/butterflies-on-the-breeze-for-string-orchestra.pdf
    • http://www.gorillawalker.com/emergency-medical-guide.pdf
    • http://www.gorillawalker.com/internet-crimes-against-children-annotated-bibliography-provisions-of-select-federal.pdf
    • http://www.gorillawalker.com/ruby-a-novel-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/valses-oubli-es-s-215-for-solo-piano-1884.pdf
    • http://www.gorillawalker.com/fruit-bearing-success-in-bible-study-student-workbook.pdf
    • http://www.gorillawalker.com/calculus.pdf
    • http://www.gorillawalker.com/sweet-swan-of-avon-did-a-woman-write-shakespeare.pdf
    • http://www.gorillawalker.com/standards-for-behavioral-health-care-accreditation-policies-standards-elements-of.pdf
    • http://www.gorillawalker.com/shock-aftershock-st-jack-mystery-4-volume-4.pdf
    • http://www.gorillawalker.com/colored-pencil-secrets-for-success-how-to-critique-and-improve.pdf
    • http://www.gorillawalker.com/christians-at-the-border-immigration-the-church-and-the-bible.pdf
    • http://www.gorillawalker.com/bedding-the-babysitter-10-stories-the-ultimate-collection-of-totally.pdf
    • http://www.gorillawalker.com/awkward-silence-vol-5.pdf
    • http://www.gorillawalker.com/hunt-the-fox-a-thomas-crocker-thriller.pdf
    • http://www.gorillawalker.com/adolf-hitler-s-home-counties-holiday-snaps-london-berkshire-essex.pdf
    • http://www.gorillawalker.com/veneto-venice-region-italy-1-250-000-regional-map-lac.pdf
    • http://www.gorillawalker.com/introduction-to-differentiable-manifolds.pdf
    • http://www.gorillawalker.com/fruit-desserts-delectable-seasonal-sweets.pdf
    • http://www.gorillawalker.com/pharmacology-is-murder.pdf
    • http://www.gorillawalker.com/zoey-speaks-out-making-out-avon-paperback.pdf
    • http://www.gorillawalker.com/coaching-and-mentoring-what-they-are-and-how-to-make.pdf
    • http://www.gorillawalker.com/statistics-data-analysis-and-decision-modeling-5th-edition.pdf
    • http://www.gorillawalker.com/2007-tcm-physician-assistant-exam-questions-over-the-years-overview.pdf
    • http://www.gorillawalker.com/calculation-of-high-angle-of-attack-aerodynamics-of-fighter-configurations.pdf
    • http://www.gorillawalker.com/and-practice-introduction-to-fashion-business-fashion-business-fast-facts.pdf
    • http://www.gorillawalker.com/national-security-civil-liberties-and-the-war-on-terror-contemporary.pdf
    • http://www.gorillawalker.com/beautiful-terrible-ruins-detroit-and-the-anxiety-of-decline.pdf
    • http://www.gorillawalker.com/e-study-guide-for-personality-personality-disorder-and-violence-an.pdf
    • http://www.gorillawalker.com/the-jungle-book-the-graphic-novel-campfire-graphic-novels.pdf
    • http://www.gorillawalker.com/deadly-target-iad-agency-3-siren-publishing-classic.pdf
    • http://www.gorillawalker.com/the-republic-of-rock-music-and-citizenship-in-the-sixties.pdf
    • http://www.gorillawalker.com/law-and-psychiatry-rethinking-the-relationship-cambridge-paperback-library.pdf
    • http://www.gorillawalker.com/nonfiction-reading-comprehension-science-grades-1-2.pdf
    • http://www.gorillawalker.com/lum-becomes-happy.pdf
    • http://www.gorillawalker.com/the-miracle-of-the-seventh-day-ox.pdf
    • http://www.gorillawalker.com/butt
    • 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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