Malicious PDF — malware analysis report

Static analysis result for SHA-256 714093ec9720fd62…

MALICIOUS

PDF

49.2 KB Created: 2018-12-28 08:08:46 +03:00 Authoring application: Writer (via LibreOffice 4.2)
MD5: ab93f0445dcba5c53fe7d42052f094db SHA-1: 54ed2f0f024cb224b4bbc7b6c9092ee799a74923 SHA-256: 714093ec9720fd6224edc2fff4bcffb358110ebc2cbbcacd49bb0ae8ab6a4a89
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. While no scripts were explicitly extracted, the ML classifier flagged the PDF as malicious. The presence of numerous links suggests an attempt to manipulate search engine results or redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8876

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/hiking-wisconsin-state-hiking-guides-series.pdf
    • http://www.gorillawalker.com/maine-new-hampshire-vermont-aaa-road-map.pdf
    • http://www.gorillawalker.com/energy-minimization-methods-in-computer-vision-and-pattern-recognition-5th.pdf
    • http://www.gorillawalker.com/intermediate-algebra-cerritos-college-edition.pdf
    • http://www.gorillawalker.com/dirty-little-secrets-restraint-and-seclusion-in-america-s-schools.pdf
    • http://www.gorillawalker.com/the-amazing-liver-gallbladder-flush.pdf
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    • http://www.gorillawalker.com/costs-and-productivity-in-automobile-production-the-challenge-of-japanese.pdf
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    • http://www.gorillawalker.com/parisian-pleasures-madame-s-bordello-of-wanton-women-4-short.pdf
    • http://www.gorillawalker.com/pcr-essential-techniques.pdf
    • http://www.gorillawalker.com/the-new-economics-of-fast-food.pdf
    • http://www.gorillawalker.com/zanesville-cambridge-coshocton-ohio-including-malta-mcconnelsville-millersburg-s-zanesville.pdf
    • http://www.gorillawalker.com/natural-prescriptions-natural-treatments-and-vitamin-therapies-for-more-than.pdf
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    • http://www.gorillawalker.com/the-dynamics-of-industrial-competition-a-north-american-perspective.pdf
    • http://www.gorillawalker.com/the-market-for-lasers-in-medicine-a-competitive-intelligence-report.pdf
    • http://www.gorillawalker.com/digital-camera-and-photoshop-digital-photo-processing-with-cd-rom.pdf
    • http://www.gorillawalker.com/the-dash-diet-action-plan-proven-to-boost-weight-loss.pdf
    • http://www.gorillawalker.com/challenges-in-mechanics-of-time-dependent-materials-and-processes-in.pdf
    • http://www.gorillawalker.com/radar-signals-an-introduction-to-theory-app.pdf
    • http://www.gorillawalker.com/dr-donsbach-tells-you-what-you-always-wanted-to-know.pdf
    • http://www.gorillawalker.com/critical-phenomena-in-natural-sciences-chaos-fractals-selforganization-and-disorder.pdf
    • http://www.gorillawalker.com/chronicles-of-the-city-of-perugia-1492-1503.pdf
    • http://www.gorillawalker.com/measuring-irrigation-water-paperback.pdf
    • http://www.gorillawalker.com/the-cambridge-history-of-christianity-volume-8-world-christianities-c.pdf
    • http://www.gorillawalker.com/dutch-wife-kurumi-syasinsyuu-vol4-japanese-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/key-financial-market-concepts-the-100-terms-every-finance-professional.pdf
    • http://www.gorillawalker.com/step-up-a-high-yield-systems-based-review-for-usmle.pdf
    • http://www.gorillawalker.com/basic-risk-management-and-beyond-the-trading-secret-very-basic.pdf
    • http://www.gorillawalker.com/cuestiones-contables-fundamentales-4b-edicion-2005-spanish-edition.pdf
    • http://www.gorillawalker.com/simple-essentials-chocolate.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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