Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe3370f0027b8f54…

MALICIOUS

PDF

40.5 KB Created: 2019-05-05 13:14:12 +03:00 Authoring application: TeX (via MiKTeX pdfTeX-1.10b)
MD5: 5c1e0ad47b63adbd35de479b4aa28760 SHA-1: 236a4a66d3c4fafb5b501491f3cb98af8a31c86a SHA-256: fe3370f0027b8f540315456af6e73c06acc5d20b998606aee95c54182852a67f
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded URLs pointing to PDF files on the domain www.gorillawalker.com. This is indicative of a link farm or SEO manipulation tactic. While no scripts were extracted, the sheer volume of external links suggests an attempt to drive traffic or distribute potentially malicious content through these linked PDFs. The document body was heavily obfuscated and unreadable.

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/the-thomas-guide-2006-king-county-washington-street-guide-king.pdf
    • http://www.gorillawalker.com/switzerland-culture-smart-the-essential-guide-to-customs-culture.pdf
    • http://www.gorillawalker.com/taking-daily-foot-temperatures-prevents-ulcers-clinical-rounds-an-article.pdf
    • http://www.gorillawalker.com/op-amp-circuits-and-principles.pdf
    • http://www.gorillawalker.com/topics-in-industrial-mathematics-case-studies-and-related-mathematical-methods.pdf
    • http://www.gorillawalker.com/rabbit-food.pdf
    • http://www.gorillawalker.com/godzilla-king-of-the-movie-monsters-an-illustrated-guide-to.pdf
    • http://www.gorillawalker.com/die-br-cke-von-alc-ntara-roman-german-edition.pdf
    • http://www.gorillawalker.com/iec-60072-3-ed-1-0-b-1994-dimensions-and.pdf
    • http://www.gorillawalker.com/you-are-my-wish.pdf
    • http://www.gorillawalker.com/my-life-in-spite-of-myself.pdf
    • http://www.gorillawalker.com/disrespectfully-yours.pdf
    • http://www.gorillawalker.com/the-dictionary-of-forestry.pdf
    • http://www.gorillawalker.com/the-notebook.pdf
    • http://www.gorillawalker.com/tam-o-the-scoots.pdf
    • http://www.gorillawalker.com/calculus-analytic-geometry-volume-2-3rd-edition.pdf
    • http://www.gorillawalker.com/implementing-technology-solutions-in-libraries-techniques-tools-and-tips-from.pdf
    • http://www.gorillawalker.com/san-diego.pdf
    • http://www.gorillawalker.com/christian-platonism-of-simone-weil.pdf
    • http://www.gorillawalker.com/environment-technology-justification.pdf
    • http://www.gorillawalker.com/dicey-and-morris-on-the-conflict-of-laws.pdf
    • http://www.gorillawalker.com/hidden-left-behind-the-young-trib-force-book-3-kindle.pdf
    • http://www.gorillawalker.com/the-korean-war-twentieth-century-wars.pdf
    • http://www.gorillawalker.com/outside-25-classic-tales-and-new-voices-from-the-frontiers.pdf
    • http://www.gorillawalker.com/intermediaries-in-the-criminal-justice-system-improving-communication-for-vulnerable.pdf
    • http://www.gorillawalker.com/starting-with-locke.pdf
    • http://www.gorillawalker.com/the-best-of-francis-poulenc-in-twenty-pieces-for-piano.pdf
    • http://www.gorillawalker.com/transport-phenomena-in-biological-systems-2nd-edition-2nd-second-edition.pdf
    • http://www.gorillawalker.com/the-beatles-hunter-davies.pdf
    • http://www.gorillawalker.com/nanotechnology-and-tissue-engineering-the-scaffold.pdf
    • http://www.gorillawalker.com/modern-refrigeration-and-air-conditioning-laboratory-manual-18th-eighteenth-edition.pdf
    • http://www.gorillawalker.com/meat-market-for-the-soul-life-lessons-from-the-butcher.pdf
    • http://www.gorillawalker.com/conan-volume-6-hand-of-nergal-conan-dark-horse.pdf
    • http://www.gorillawalker.com/el-estatuto-biol-gico-y-ontol-gico-del-embri-n.pdf
    • http://www.gorillawalker.com/the-encyclopedia-of-groove-book-cd.pdf
    • http://www.gorillawalker.com/2011-dream-gardens-calendar-calendar.pdf
    • http://www.gorillawalker.com/intravitreal-steroids.pdf
    • http://www.gorillawalker.com/levers-useful-machines.pdf
    • http://www.gorillawalker.com/classic-tales-elementary-1-aladdin-little-mermaid-audio-cd.pdf
    • http://www.gorillawalker.com/communication-applications.pdf
    • http://www.gorilla
    • 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/