Malicious PDF — malware analysis report

Static analysis result for SHA-256 08f437d2f6e39afc…

MALICIOUS

PDF

42.8 KB Created: 2019-03-17 11:17:45 +03:00 Authoring application: LaTeX with hyperref package (via pdfTeX-1.40.4)
MD5: 622e926ca479071cd9df7f923ab2d13d SHA-1: 6d865fe6acaf9ee5d6af204e4e91e661bfb87d4a SHA-256: 08f437d2f6e39afcfa503f90dea3c9b3f79b6271e9731f8dead1d78936113672
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by a machine learning classifier and contains a heuristic indicating a large number of external links, suggesting a link farm or SEO manipulation tactic. While no scripts were extracted, the embedded URLs point to a domain that appears to host numerous PDF files, likely for distributing content or potentially malicious payloads. The presence of many external links suggests an attempt to influence search engine results or distribute content via a phishing-like mechanism.

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/godsend-3-pissed-all-the-way-off-kindle-edition.pdf
    • http://www.gorillawalker.com/suppli-volume-2.pdf
    • http://www.gorillawalker.com/think-of-the-day-we-saw-the-centipede-castle-a.pdf
    • http://www.gorillawalker.com/travancore-a-guide-book-for-the-visitor.pdf
    • http://www.gorillawalker.com/microsoft-project-server-2013-for-enterprise-project-management.pdf
    • http://www.gorillawalker.com/stochastic-differential-systems-stochastic-control-theory-and-applications-proceedings-of.pdf
    • http://www.gorillawalker.com/readerotica-2-erotica-for-your-electronic-reader-volume-2-turning.pdf
    • http://www.gorillawalker.com/technical-analysis-of-stock-trends-tenth-edition.pdf
    • http://www.gorillawalker.com/mount-rainier-national-park-true-books-national-parks.pdf
    • http://www.gorillawalker.com/a-bad-boy-for-christmas-second-chance.pdf
    • http://www.gorillawalker.com/daisy-the-duck.pdf
    • http://www.gorillawalker.com/marcus-garvey-life-and-lessons-a-centennial-companion-to-the.pdf
    • http://www.gorillawalker.com/osteoporosis-speedy-study-guide.pdf
    • http://www.gorillawalker.com/hong-kong-an-appointment-with-china.pdf
    • http://www.gorillawalker.com/the-oxford-handbook-of-organizational-climate-and-culture-oxford-library.pdf
    • http://www.gorillawalker.com/british-broadcasting-a-study-in-monopoly.pdf
    • http://www.gorillawalker.com/seduced-by-the-loan-shark-seduced-by-the-congressman-book.pdf
    • http://www.gorillawalker.com/start-your-own-elearning-or-training-business-your-step-by.pdf
    • http://www.gorillawalker.com/the-making-of-the-modern-gulf-states-kuwait-bahrain-qatar.pdf
    • http://www.gorillawalker.com/jeaneology-crafty-ways-to-reinvent-your-old-blues.pdf
    • http://www.gorillawalker.com/formative-acts-american-politics-in-the-making.pdf
    • http://www.gorillawalker.com/neal-adams-the-sketchbook-hc.pdf
    • http://www.gorillawalker.com/aa-theory-test-aa-driving-test.pdf
    • http://www.gorillawalker.com/friendship-with-jesus-pope-benedict-xvi-talks-to-children-on.pdf
    • http://www.gorillawalker.com/human-and-mosquito-lysozymes-old-molecules-for-new-approaches-against.pdf
    • http://www.gorillawalker.com/the-complete-idiot-s-guide-to-natural-childbirth.pdf
    • http://www.gorillawalker.com/yoga-for-nurses.pdf
    • http://www.gorillawalker.com/the-complete-christian-businessman.pdf
    • http://www.gorillawalker.com/ethics-theory-and-contemporary-issues.pdf
    • http://www.gorillawalker.com/histoire-philosophique-du-genre-humain-ou-l-homme-consid-r.pdf
    • http://www.gorillawalker.com/practice-guideline-for-treatment-of-patients-with-bipolar-disorders.pdf
    • http://www.gorillawalker.com/a-new-view-of-comparative-economics-by-kennett-david-a.pdf
    • http://www.gorillawalker.com/heroes-of-the-high-seas-dc-super-pets.pdf
    • http://www.gorillawalker.com/slowgirl.pdf
    • http://www.gorillawalker.com/handbook-of-mechanical-in-service-inspection-pressure-systems-and-mechanical.pdf
    • http://www.gorillawalker.com/gcse-psychology-with-optional-tutor-support-bargain-courses-volume-1.pdf
    • http://www.gorillawalker.com/baking-for-your-dog-boxset-cake-tin.pdf
    • http://www.gorillawalker.com/contemporary-marxist-theory-a-reader.pdf
    • http://www.gorillawalker.com/printmaking-in-the-age-of-rembrandt.pdf
    • http://www.gorillawalker.com/brussels-and-southern-belgium-everyman-guides.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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