Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e0e9ce28b469537…

MALICIOUS

PDF

42.6 KB Created: 2019-03-17 08:23:25 +03:00 Authoring application: Apache FOP Version 1.0
MD5: 500806148c0b3f9bb103f3811b1a0cc3 SHA-1: 92845c03eebce750713f23c6fe31fb358f41f196 SHA-256: 5e0e9ce28b469537f7c2dcdbb098f44f55f9318461039df1d09b2c666197c5a4
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by a machine learning classifier as malicious and contains a large number of embedded URLs pointing to external PDF files. This suggests a link farm or SEO manipulation tactic, potentially to distribute more malicious content or to influence search rankings. The document body contains garbled text, indicating it is not intended for human consumption but rather for programmatic exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9181

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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/victorian-age-vampire-london-by-night.pdf
    • http://www.gorillawalker.com/an-ethnographic-study-of-northern-ghanaian-conflicts-towards-a-sustainable.pdf
    • http://www.gorillawalker.com/passion-moon-rising.pdf
    • http://www.gorillawalker.com/new-horizons-in-arabic-literature-arabic-edition.pdf
    • http://www.gorillawalker.com/el-arte-de-la-cocina-francesa-mastering-the-art-of.pdf
    • http://www.gorillawalker.com/the-back-in-the-day-bakery-cookbook.pdf
    • http://www.gorillawalker.com/the-stars.pdf
    • http://www.gorillawalker.com/saxophone-technique.pdf
    • http://www.gorillawalker.com/74-bst-debussy-pno-msc-world-s-favorite.pdf
    • http://www.gorillawalker.com/reykjavik-travel-guide-sightseeing-hotel-restaurant-shopping-highlights.pdf
    • http://www.gorillawalker.com/the-power-of-charismatic-healing.pdf
    • http://www.gorillawalker.com/ancient-herbal-gardening-box-set-4-the-complete-extensive-gardening.pdf
    • http://www.gorillawalker.com/en-espanol-1-actividades-para-todos-spanish-edition.pdf
    • http://www.gorillawalker.com/derrida-from-now-on-perspectives-in-continental-philosophy-paperback-unnumbered.pdf
    • http://www.gorillawalker.com/transformational-leadership-creating-organizations-of-meaning.pdf
    • http://www.gorillawalker.com/unraveling-the-mystery-of-autism-and-pervasive-developmental-disorder-a.pdf
    • http://www.gorillawalker.com/critical-criminal-justice-issues.pdf
    • http://www.gorillawalker.com/plain-secrets-an-outsider-among-the-amish-hc-2007.pdf
    • http://www.gorillawalker.com/russian-americans-in-soviet-film-cinematic-dialogues-between-the-us.pdf
    • http://www.gorillawalker.com/revolution-and-its-past-identities-and-change-in-modern-chinese.pdf
    • http://www.gorillawalker.com/romance-in-the-rockies-the-life-and-adventures-of-catharine.pdf
    • http://www.gorillawalker.com/the-world-tilting-gospel-embracing-a-biblical-worldview-and-hanging.pdf
    • http://www.gorillawalker.com/sin-city-volume-5-family-values-3rd-edition.pdf
    • http://www.gorillawalker.com/fundamentals-of-financial-accounting-and-analysis-the-companion-book.pdf
    • http://www.gorillawalker.com/starfish-a-novel.pdf
    • http://www.gorillawalker.com/what-is-autism-spectrum-disorder-asd-concepts-about-cause-symptom.pdf
    • http://www.gorillawalker.com/postcards-from-spain.pdf
    • http://www.gorillawalker.com/the-complete-photo-guide-to-perfect-fitting.pdf
    • http://www.gorillawalker.com/reason-and-emotion.pdf
    • http://www.gorillawalker.com/colostrum-immune-system-enhancer-woodland-health.pdf
    • http://www.gorillawalker.com/archaeology-down-to-earth.pdf
    • http://www.gorillawalker.com/meeting-in-her-middle-a-tale-of-bisexuality-double-penetration.pdf
    • http://www.gorillawalker.com/ghosts-of-manhattan-a-novel-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/living-well-with-migraine-disease-and-headaches-what-your-doctor.pdf
    • http://www.gorillawalker.com/if-i-can-t-have-you.pdf
    • http://www.gorillawalker.com/butterflies-2016-boxed-posters-calendar-prints-from-the-icones-insectorum.pdf
    • http://www.gorillawalker.com/what-s-cooking-pasta.pdf
    • http://www.gorillawalker.com/handbook-of-exposure-therapies.pdf
    • http://www.gorillawalker.com/der-mensch-in-zahlen-eine-datensammlung-in-tabellen-mit-ber.pdf
    • http://www.gorillawalker.com/phantom-major-the-the-story-of-david-stirling-and-the.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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