Malicious PDF — malware analysis report

Static analysis result for SHA-256 14cbe4203f958505…

MALICIOUS

PDF

41.8 KB Created: 2018-11-23 08:08:32 +03:00 Authoring application: Adobe Acrobat 6.02 (via Adobe Acrobat 6.0)
MD5: 62bb1c9cced7f67f0a6cc1e14d20b98d SHA-1: 6972981f73a6ebea7c23d9d1c2db48ffb244d2ab SHA-256: 14cbe4203f958505ddda3e08e9dfbadc5b3a04d67f980064d19ba84b3100ed7a
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. While no scripts were explicitly extracted, the presence of numerous links suggests an attempt to manipulate search engine rankings or redirect users to potentially malicious websites. The ML classifier also flagged the document as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8242

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/pop-air-and-water-pressure-time-for-kids-nonfiction-readers.pdf
    • http://www.gorillawalker.com/cyclopedic-index-of-narcissistic-and-other-personality-disorder-kindle-edition.pdf
    • http://www.gorillawalker.com/gimlet-eye-gunn-kindle-edition.pdf
    • http://www.gorillawalker.com/toyota-truck-and-land-cruiser-owner-s-bible.pdf
    • http://www.gorillawalker.com/alfred-hitchcock-s-tales-to-keep-you-spellbound.pdf
    • http://www.gorillawalker.com/the-natural-law-reader.pdf
    • http://www.gorillawalker.com/geometry-of-characteristic-classes-translations-of-mathematical-monographs.pdf
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    • http://www.gorillawalker.com/seattle-dog-city-guide-for-dog-lovers.pdf
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    • http://www.gorillawalker.com/womens-issues.pdf
    • http://www.gorillawalker.com/to-lose-a-battle-france-1940.pdf
    • http://www.gorillawalker.com/computational-fairy-tales.pdf
    • http://www.gorillawalker.com/procedural-coding-and-reimbursement-for-physician-services-applying-current-procedural.pdf
    • http://www.gorillawalker.com/the-worst-case-scenario-survival-kit.pdf
    • http://www.gorillawalker.com/letts-11-success-11-practice-test-papers-bumper-book-inc.pdf
    • http://www.gorillawalker.com/el-cid-cid-clasicos-adaptados-adapted-classics-spanish-edition.pdf
    • http://www.gorillawalker.com/emergency-radiology-in-small-animal-practice.pdf
    • http://www.gorillawalker.com/frommer-s-bangkok-day-by-day-frommer-s-day-by.pdf
    • http://www.gorillawalker.com/2013-icd-9-cm-for-physicians-volumes-1-and-2.pdf
    • http://www.gorillawalker.com/two-decades-and-counting-the-wins-the-streak-the-hawkeyes.pdf
    • http://www.gorillawalker.com/beethoven-his-spiritual-development-1927.pdf
    • http://www.gorillawalker.com/a-guide-to-classical-and-modern-model-theory-trends-in.pdf
    • http://www.gorillawalker.com/nonuniform-line-microstrip-directional-couplers-and-filters-artech-house-antennas.pdf
    • http://www.gorillawalker.com/team-roles-at-work.pdf
    • http://www.gorillawalker.com/nagara-and-commandery-origins-of-the-southeast-asian-urban-traditions.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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