Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d1998019c205a65…

MALICIOUS

PDF

40.2 KB Created: 2018-12-15 08:11:05 +03:00 Authoring application: Acrobat PDFMaker 6.0 for Word (via Acrobat Distiller 6.0 (Windows))
MD5: bae7c26e2d70d8fbcf4645546a2bdf80 SHA-1: 28f0cbbc4b46eff98333308fc35dd9c81d1ce11e SHA-256: 0d1998019c205a65139bc76eb8e6d8344b314a7098fbe5f85d9b915d328782aa
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF documents on the 'gorillawalker.com' domain. While no scripts were extracted, the sheer volume of links suggests an attempt to manipulate search engine results or distribute content through a link farm, potentially as a lure for further malicious activity. The ML_NYX_PDF_MALICIOUS heuristic also flagged the document with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9027

Heuristics 3

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/fight-like-a-girl-how-to-be-a-fearless-feminist.pdf
    • http://www.gorillawalker.com/oss-weapons-special-weapons-and-devices.pdf
    • http://www.gorillawalker.com/the-writer-s-handbook-grammar-for-writing.pdf
    • http://www.gorillawalker.com/the-christian-art-of-byzantine-syria.pdf
    • http://www.gorillawalker.com/trauma-care.pdf
    • http://www.gorillawalker.com/high-resolution-sonography-of-the-peripheral-nervous-system-medical-radiology.pdf
    • http://www.gorillawalker.com/mind-of-the-bible-believer.pdf
    • http://www.gorillawalker.com/bars-bouncers-bad-guys-beyond-a-kick-ass-manual-for.pdf
    • http://www.gorillawalker.com/nurturing-sanctuary-community-capacity-building-in-african-american-churches-black.pdf
    • http://www.gorillawalker.com/geometry-homework-booklet-grades-5-8-homework-booklets.pdf
    • http://www.gorillawalker.com/fundamentals-of-model-boat-building.pdf
    • http://www.gorillawalker.com/rough-justice-justice-series-book-10-kindle-edition.pdf
    • http://www.gorillawalker.com/sarah-sunshine-montana-romance-volume-3.pdf
    • http://www.gorillawalker.com/solar-pv-powered-uv-water-treatment-how-to-solar-power.pdf
    • http://www.gorillawalker.com/viruses-biology-applications-and-control-print-replica-kindle-edition.pdf
    • http://www.gorillawalker.com/muslims-in-america-race-politics-and-community-building-amana-islam.pdf
    • http://www.gorillawalker.com/la-traicion-de-roma-the-treachery-of-rome-spanish-edition.pdf
    • http://www.gorillawalker.com/introducing-the-bible-the-new-testament-volume-ii.pdf
    • http://www.gorillawalker.com/wherever-the-river-runs-how-a-forgotten-people-renewed-my.pdf
    • http://www.gorillawalker.com/cisi-masters-wealth-management-unit-2-winter-2015-practice-examinations.pdf
    • http://www.gorillawalker.com/volcanism-and-global-environmental-change.pdf
    • http://www.gorillawalker.com/a-guide-for-grown-ups-essential-wisdom-from-the-collected.pdf
    • http://www.gorillawalker.com/cult-vegas-the-weirdest-the-wildest-the-swingin-est-town.pdf
    • http://www.gorillawalker.com/zen-doodling-mandalas.pdf
    • http://www.gorillawalker.com/girlfriends-a-taken-by-night-erotica.pdf
    • http://www.gorillawalker.com/u-s-congress-quick-study-academic.pdf
    • http://www.gorillawalker.com/the-self-publishing-manual-how-to-write-print-and-sell.pdf
    • http://www.gorillawalker.com/losing-the-blanket-australia-and-the-end-of-britain-s.pdf
    • http://www.gorillawalker.com/the-secrets-of-sir-richard-kenworthy-lp.pdf
    • http://www.gorillawalker.com/tampa-easyfinder.pdf
    • http://www.gorillawalker.com/cuban-embargo-selected-issues-relating-to-travel-exports-and-telecommunications.pdf
    • http://www.gorillawalker.com/stahl-s-essential-psychopharmacology-neuroscientific-basis-and-practical-applications-essential.pdf
    • http://www.gorillawalker.com/once-a-mouse-a-fable-cut-in-wood.pdf
    • http://www.gorillawalker.com/republic-national-life-insurance-company-the-story-of-the-company.pdf
    • http://www.gorillawalker.com/the-law-of-rewards-giving-what-you-can-t-keep.pdf
    • http://www.gorillawalker.com/vibration-analysis-of-rotors-solid-mechanics-and-its-applications.pdf
    • http://www.gorillawalker.com/looks-why-they-matter-more-than-you-ever-imagined.pdf
    • http://www.gorillawalker.com/crossing-the-panther-s-path.pdf
    • http://www.gorillawalker.com/living-among-cannibals.pdf
    • http://www.gorillawalker.com/mappa-mundi.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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