Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f7da89f0c61b811…

MALICIOUS

PDF

46.2 KB Created: 2019-03-17 07:47:50 +03:00 Authoring application: Acrobat 5.0 Scan Plug-in for Windows (via Adobe PDF Library 5.0.2)
MD5: 2787f9cb3e1de8ddd59c90fa5ed23046 SHA-1: c94201294226edb5368da36b03be36d3f2efa2fe SHA-256: 1f7da89f0c61b8116751ff7259d969c98d05e48c096784e0f8d1175052dfdee8
130 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The 'SE_ADVANCE_FEE_SCAM_LURE' heuristic indicates the document's content is designed to trick users into fraudulent schemes. The ML classifier also flagged the PDF as malicious. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8643

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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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/us-army-technical-manual-tm-5-4320-272-20p-pumping.pdf
    • http://www.gorillawalker.com/easy-breathing-natural-treatments-for-asthma-colds-flu-coughs-allergies.pdf
    • http://www.gorillawalker.com/kundalini-a-step-by-step-guide-to-mastering-kundalini-for.pdf
    • http://www.gorillawalker.com/altruism-in-cross-cultural-perspective-international-and-cultural-psychology.pdf
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    • http://www.gorillawalker.com/confessions-of-a-cpa-the-truth-about-life-insurance.pdf
    • http://www.gorillawalker.com/the-business-of-counterterrorism-public-private-partnerships-in-homeland-security.pdf
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    • http://www.gorillawalker.com/nazi-ideology-and-ethics.pdf
    • http://www.gorillawalker.com/pass-the-parcel-activity-books.pdf
    • http://www.gorillawalker.com/janice-vancleave-s-rocks-and-minerals-mind-boggling-experiments-you.pdf
    • http://www.gorillawalker.com/the-comics-journal-299-comics-journal-library.pdf
    • http://www.gorillawalker.com/thinking-on-the-page-a-college-student-s-guide-to.pdf
    • http://www.gorillawalker.com/linda-goodman-los-signos-zodiaco-relaciones-pers.pdf
    • http://www.gorillawalker.com/my-painted-house-my-friendly-chicken-and-me.pdf
    • http://www.gorillawalker.com/lake-sumter-counties-fl-atlas.pdf
    • http://www.gorillawalker.com/romanian-nationalism-the-legionary-movement.pdf
    • http://www.gorillawalker.com/the-economic-security-of-business-transactions.pdf
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    • http://www.gorillawalker.com/the-music-business-explained-in-plain-english-what-every-artist.pdf
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    • http://www.gorillawalker.com/lordship-and-inheritance-in-early-medieval-japan-a-study-of.pdf
    • http://www.gorillawalker.com/kawasaki-klf300-bayou-1986-1998-m466-2.pdf
    • http://www.gorillawalker.com/self-learning-microsoft-access-2010-part-ii-part-ii.pdf
    • http://www.gorillawalker.com/abc-of-anarchism-3rd-edition.pdf
    • http://www.gorillawalker.com/better-than-budgeting-how-to-reach-financial-goals-through-successful.pdf
    • http://www.gorillawalker.com/gertrude-jekyll-at-munstead-wood-writing-horticulture-photography-homebuilding-judith.pdf
    • http://www.gorillawalker.com/egyptian-bioarchaeology-humans-animals-and-the-environment.pdf
    • http://www.gorillawalker.com/manual-de-inquisidores-contemporanea-contemporary-spanish-edition.pdf
    • http://www.gorillawalker.com/altru
    • 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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