Malicious PDF — malware analysis report

Static analysis result for SHA-256 03cb296f8fd6378a…

MALICIOUS

PDF

43.7 KB Created: 2018-11-14 08:19:30 +03:00 Authoring application: PageMaker 6.5 (via Acrobat Distiller 3.01 for Windows)
MD5: d4f2e38a2fb994eb245e76b516346360 SHA-1: fc55d6c423baf5ded18c93b2c3790610c2814e35 SHA-256: 03cb296f8fd6378aa49c344687e94dcc0a831436917a224d74eb883f5d4ab0b7
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent. The primary attack pattern observed is the creation of a link farm, likely to drive traffic or distribute payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9007

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.
  • ClamAV: Pdf.Dropper.Agent-7223361-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7223361-0
  • 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/attorney-s-guide-to-business-and-finance-fundamentals.pdf
    • http://www.gorillawalker.com/the-prevention-and-treatment-of-missing-data-in-clinical-trials.pdf
    • http://www.gorillawalker.com/fates-i-bring-the-fire-part-iv-the-hunt-for.pdf
    • http://www.gorillawalker.com/the-launching-years-strategies-for-parenting-from-senior-year-to.pdf
    • http://www.gorillawalker.com/the-complete-young-trailers-series-halcyon-classics-kindle-edition.pdf
    • http://www.gorillawalker.com/haibao-the-expo-world-classic-fairy-photo-party-the-illusion.pdf
    • http://www.gorillawalker.com/bigby-s-curse-endless-quest-books.pdf
    • http://www.gorillawalker.com/developmental-science-an-advanced-textbook-sixth-edition.pdf
    • http://www.gorillawalker.com/world-english-intro-workbook-word-english.pdf
    • http://www.gorillawalker.com/viscountess.pdf
    • http://www.gorillawalker.com/the-distribution-of-wealth-a-theory-of-wages-interest-and.pdf
    • http://www.gorillawalker.com/the-book-of-knowledge-the-children-s-encyclopedia-volume-6.pdf
    • http://www.gorillawalker.com/knights-penguin-young-readers-l3.pdf
    • http://www.gorillawalker.com/introduction-to-robust-estimation-and-hypothesis-testing-third-edition-statistical.pdf
    • http://www.gorillawalker.com/the-mancini-marriage-bargain-the-arranged-brides-duo-2-harlequin.pdf
    • http://www.gorillawalker.com/any-way-you-slice-it-the-past-present-and-future.pdf
    • http://www.gorillawalker.com/infertility-and-involuntary-childlessness-helping-couples-cope-norton-professional-books.pdf
    • http://www.gorillawalker.com/igougo-travel-report-myrtle-beach-the-inside-scoop-from-experienced.pdf
    • http://www.gorillawalker.com/montezuma-s-chocolate-cookbook-marvellous-messy-melt-in-the-mouth.pdf
    • http://www.gorillawalker.com/burton-holmes-travelogues-v4-cities-of-the-barbary-coast-oases.pdf
    • http://www.gorillawalker.com/handbook-on-basics-of-coating-technology.pdf
    • http://www.gorillawalker.com/colonial-america-6th-edition.pdf
    • http://www.gorillawalker.com/up-to-you-getting-back.pdf
    • http://www.gorillawalker.com/streetslam-wishes-of-a-broken-time-streetlslam-book-1.pdf
    • http://www.gorillawalker.com/arabian-nights-the-a-companion-kindle-edition.pdf
    • http://www.gorillawalker.com/romance-op-11-violin-and-piano.pdf
    • http://www.gorillawalker.com/light-action-amazing-experiments-with-optics.pdf
    • http://www.gorillawalker.com/clinical-nutrition-for-surgical-patients.pdf
    • http://www.gorillawalker.com/jewish-lore-in-manichaean-cosmogony-studies-in-the-book-of.pdf
    • http://www.gorillawalker.com/australia-on-15-a-day.pdf
    • http://www.gorillawalker.com/contempt-of-court-the-turn-of-the-century-lynching-that.pdf
    • http://www.gorillawalker.com/vlsi-design-handbook-volume-ii.pdf
    • http://www.gorillawalker.com/coached-for-success-the-college-years-seven-success-strategies-for.pdf
    • http://www.gorillawalker.com/by-christopher-p-chiodo-harvard-medical-school-foot-care-basics.pdf
    • http://www.gorillawalker.com/era-of-experimentation-american-political-practices-in-the-early-republic.pdf
    • http://www.gorillawalker.com/street-child-galaxy-children-s-large-print-books.pdf
    • http://www.gorillawalker.com/single-component-binary-and-ternary-oxide-glasses-supplements-to-parts.pdf
    • http://www.gorillawalker.com/red-black-and-jew-new-frontiers-in-hebrew-literature-jewish.pdf
    • http://www.gorillawalker.com/blessings-prayers-and-declarations-for-a-heartful-life.pdf
    • http://www.gorillawalker.com/mate-book-two.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/

Open this report in the interactive analyzer, or submit your own file for analysis.