Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba0017779b73069e…

MALICIOUS

PDF

41.0 KB Created: 2018-11-23 21:03:30 +03:00 Authoring application: Adobe Photoshop 5.0 (via Adobe Photoshop for Windows)
MD5: d9c670d816355664d25dcc68b8b43b14 SHA-1: f391ad20fbd26f579b00bd20ef1fdcbf4b7947bc SHA-256: ba0017779b73069e845d9a045500b82a87f3327be72a18b6176d40f5575af8de
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links pointing to external PDF files on the domain www.gorillawalker.com. This behavior is indicative of a link farm, likely used for SEO manipulation or to distribute potentially malicious content disguised as legitimate documents. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9181

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/how-to-win-past-practice-grievances.pdf
    • http://www.gorillawalker.com/a-revision-of-the-tribe-antirrhineae-scrophulariaceae.pdf
    • http://www.gorillawalker.com/can-you-believe-it-young-persons-guide-to-confirmation-in.pdf
    • http://www.gorillawalker.com/diabetes-for-dummies-uk-edition-by-rubin-md-alan-l.pdf
    • http://www.gorillawalker.com/patrones-ganchillo-afganos-brillantes-y-hermosos-spanish-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/the-pleasure-principle-sex-backlash-and-the-struggle-for-gay.pdf
    • http://www.gorillawalker.com/criminal-law-text-and-materials.pdf
    • http://www.gorillawalker.com/dark-rising-alex-hunter.pdf
    • http://www.gorillawalker.com/b-western-actors-encyclopedia-facts-photos-and-filmographies-for-more.pdf
    • http://www.gorillawalker.com/enrique-s-journey.pdf
    • http://www.gorillawalker.com/geology-and-geochemistry-of-oil-and-gas-volume-52-developments.pdf
    • http://www.gorillawalker.com/tardive-dyskinesia-and-neuroleptics-from-dogma-to-reason-clinical-insights.pdf
    • http://www.gorillawalker.com/thomas-jefferson-third-president-1801-1809-getting-to-know-the.pdf
    • http://www.gorillawalker.com/the-teenage-q-a-book-kindle-edition.pdf
    • http://www.gorillawalker.com/the-endangered-species-act-history-conservation-biology-and-public-policy.pdf
    • http://www.gorillawalker.com/beer.pdf
    • http://www.gorillawalker.com/neuroplastic-transformation-workbook.pdf
    • http://www.gorillawalker.com/snmp-snmpv2-and-rmon-practical-network-management-2nd-edition.pdf
    • http://www.gorillawalker.com/landscape-painting-in-oil-colour.pdf
    • http://www.gorillawalker.com/the-science-of-water-concepts-and-applications-third-edition.pdf
    • http://www.gorillawalker.com/neo-noir.pdf
    • http://www.gorillawalker.com/born-to-rise-a-story-of-children-and-teachers-reaching.pdf
    • http://www.gorillawalker.com/when-globalization-fails-the-rise-and-fall-of-pax-americana.pdf
    • http://www.gorillawalker.com/legal-reasoning-research-and-writing-for-international-graduate-students-chinese.pdf
    • http://www.gorillawalker.com/canon-the-canadian-brass-ensemble-series.pdf
    • http://www.gorillawalker.com/naughty-wife-s-surprise-naughty-wives-2-menage-interracial-erotica.pdf
    • http://www.gorillawalker.com/the-confusion-of-christendom.pdf
    • http://www.gorillawalker.com/materials-science-and-engineering-a-first-course.pdf
    • http://www.gorillawalker.com/mermaid-edge-i-hero-immortals.pdf
    • http://www.gorillawalker.com/peace-reader.pdf
    • http://www.gorillawalker.com/the-practice-of-praise.pdf
    • http://www.gorillawalker.com/the-kingdoms-of-israel-and-judah-in-the-eighth-and.pdf
    • http://www.gorillawalker.com/a-high-rate-virtual-instrument-of-marine-vehicle-motions-for.pdf
    • http://www.gorillawalker.com/doing-data-science-straight-talk-from-the-frontline-kindle-edition.pdf
    • http://www.gorillawalker.com/newry-county-down-official-guide.pdf
    • http://www.gorillawalker.com/environmental-ion-exchange-principles-and-design.pdf
    • http://www.gorillawalker.com/standards-for-ambulatory-care.pdf
    • http://www.gorillawalker.com/doing-business-and-investing-in-guinea-guide-world-strategic-and.pdf
    • http://www.gorillawalker.com/official-aston-villa-fc-annual-2009.pdf
    • http://www.gorillawalker.com/ii-la-suma-sacerdotisa-y-los-arcanos-menores-el-gran.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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