Malicious PDF — malware analysis report

Static analysis result for SHA-256 665b8956f8a7a9b4…

MALICIOUS

PDF

39.1 KB Created: 2018-11-15 18:31:31 +03:00 Authoring application: pdfTeX-1.40.14 (via Revision 5)
MD5: ee3760ef9d1fddff59c18db0c258c0fb SHA-1: 3b54e9f826b0754efccc4a74311ee22fdc9d5911 SHA-256: 665b8956f8a7a9b4d50399a45c9576eb024585f5536cd983a316df9c7427e9c7
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external websites, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML_NYX_PDF_MALICIOUS heuristic also flagged the document as malicious. The embedded URLs are likely used to manipulate search engine rankings or to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8901

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/an-introduction-to-chemistry-for-biology-students-7th-edition.pdf
    • http://www.gorillawalker.com/the-illustration-handbook-a-guide-to-the-world-s-greatest.pdf
    • http://www.gorillawalker.com/the-1980s-from-ronald-reagan-to-mtv-decades-of-the.pdf
    • http://www.gorillawalker.com/medicina-nuclear-portuguese-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/el-libro-fylse-bebe-bar-mano-contratos-the-baby-bar.pdf
    • http://www.gorillawalker.com/research-and-evaluation-in-counseling-research-statistics-program-evaluation.pdf
    • http://www.gorillawalker.com/the-bogeyman-files-dark-apotheosis.pdf
    • http://www.gorillawalker.com/climbs-in-the-new-zealand-alps.pdf
    • http://www.gorillawalker.com/health-related-cookbooks.pdf
    • http://www.gorillawalker.com/ocp-oracle-solaris-11-advanced-system-administration-exam-guide-exam.pdf
    • http://www.gorillawalker.com/michelin-man-100-years-of-bibendum.pdf
    • http://www.gorillawalker.com/i-will-write-it-in-their-heart.pdf
    • http://www.gorillawalker.com/exploring-the-land-we-call-new-hampshire-an-activity-guide.pdf
    • http://www.gorillawalker.com/she-ain-t-me-2.pdf
    • http://www.gorillawalker.com/immunology-of-neuromuscular-disease-immunology-and-medicine.pdf
    • http://www.gorillawalker.com/dirty-old-milkman-hucow-first-time-erotica-kindle-edition.pdf
    • http://www.gorillawalker.com/logolicious.pdf
    • http://www.gorillawalker.com/the-joy-of-organic-cookery.pdf
    • http://www.gorillawalker.com/sunday-morning-live-a-collection-of-6-drama-sketches-volume.pdf
    • http://www.gorillawalker.com/touching-my-father-s-soul-a-sherpa-s-journey-to.pdf
    • http://www.gorillawalker.com/tea-etiquette-revised-taking-tea-for-business-and-pleasure-capital.pdf
    • http://www.gorillawalker.com/a-wanderer-in-venice.pdf
    • http://www.gorillawalker.com/forfeiting-all-sanity-a-mother-s-story-of-raising-a.pdf
    • http://www.gorillawalker.com/hiking-olympic-national-park-rev-regional-hiking-series.pdf
    • http://www.gorillawalker.com/in-defence-of-politics.pdf
    • http://www.gorillawalker.com/staar-eoc-chemistry-assessment-secrets-study-guide-staar-test-review.pdf
    • http://www.gorillawalker.com/dealing-effectively-with-job-loss.pdf
    • http://www.gorillawalker.com/devops-automation-cookbook.pdf
    • http://www.gorillawalker.com/lessons-in-wrestling-and-physical-culture-illustrated-kindle-edition.pdf
    • http://www.gorillawalker.com/the-hip-hop-producer-s-manual.pdf
    • http://www.gorillawalker.com/basi-and-company-saros-star-series.pdf
    • http://www.gorillawalker.com/living-with-obesity-teen-s-guides.pdf
    • http://www.gorillawalker.com/l-hybride-de-l-ombre-le-dernier-espoir-t-2.pdf
    • http://www.gorillawalker.com/simply-bishop-s-easy-seasonal-recipes.pdf
    • http://www.gorillawalker.com/trombone-solos.pdf
    • http://www.gorillawalker.com/beyond-the-ivory-tower-rethinking-translation-pedagogy-american-translators-association.pdf
    • http://www.gorillawalker.com/conscription-and-the-search-for-modern-russian-jewry-the-modern.pdf
    • http://www.gorillawalker.com/genesis-and-the-decay-of-the-nations.pdf
    • http://www.gorillawalker.com/a-catalogue-of-the-armenian-manuscripts-in-the-british-library.pdf
    • http://www.gorillawalker.com/love-com-vol-7.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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