Malicious PDF — malware analysis report

Static analysis result for SHA-256 359bbd2a825e709e…

MALICIOUS

PDF

34.4 KB Created: 2019-10-29 08:41:50 +03:00 Authoring application: Adobe InDesign CS6 (Windows) (via Adobe PDF Library 10.0.1) First seen: 2021-06-28
MD5: 2c61112c8e5c331cf8871dfeeb722e19 SHA-1: 5be6f8af5b8ab95cfc3fd55acc62689b5b46ad27 SHA-256: 359bbd2a825e709edc37b49f5cb158e854c4cd89a2fd44ff23f034ef2490c8b6
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO manipulation or to distribute secondary payloads. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the structure and embedded URLs suggest an attempt to redirect the user to potentially malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8531

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/getting-hired-in-any-job-market.pdf In PDF document text
    • http://www.gorillawalker.com/golf-course-upkeep-a-practical-guide.pdfIn PDF document text
    • http://www.gorillawalker.com/naero-s-gambit-a-spacer-clans-adventure-volume-2.pdfIn PDF document text
    • http://www.gorillawalker.com/gestational-diabetes-history-stronger-risk-factor-for-type-2-among.pdfIn PDF document text
    • http://www.gorillawalker.com/andrew-lloyd-webber-audition-songbook-for-men.pdfIn PDF document text
    • http://www.gorillawalker.com/winning-casino-craps-2nd-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/who-s-who-in-cuban-baseball-1878-1961.pdfIn PDF document text
    • http://www.gorillawalker.com/funk-soul-power-live-play-with-the-band-alto-saxophone.pdfIn PDF document text
    • http://www.gorillawalker.com/out-of-order-the-underground-rave-scene-1997-2006.pdfIn PDF document text
    • http://www.gorillawalker.com/peter-1-hermeneia-hermeneia-a-critical-historical-commentary-on-the.pdfIn PDF document text
    • http://www.gorillawalker.com/the-joy-of-mathematics-discovering-mathematics-all-around-you-joy.pdfIn PDF document text
    • http://www.gorillawalker.com/the-yoga-miracle-science-and-religion-discovering-ancient-yoga-s.pdfIn PDF document text
    • http://www.gorillawalker.com/roaming-russia-an-adventurer-s-guide-to-off-the-beaten.pdfIn PDF document text
    • http://www.gorillawalker.com/flight-93-the-story-the-aftermath-and-the-legacy-of.pdfIn PDF document text
    • http://www.gorillawalker.com/the-darkest-days-of-the-war-the-battles-of-iuka.pdfIn PDF document text
    • http://www.gorillawalker.com/taken-by-the-tentacles-a-monstrously-erotic-tale-monster-submission.pdfIn PDF document text
    • http://www.gorillawalker.com/big-head-a-book-about-your-brain-and-your-head.pdfIn PDF document text
    • http://www.gorillawalker.com/between-the-dying-and-the-dead-dr-jack-kevorkain-s.pdfIn PDF document text
    • http://www.gorillawalker.com/black-sabbath-masters-of-reality.pdfIn PDF document text
    • http://www.gorillawalker.com/students-and-research-practical-strategies-for-science-classrooms-and-competitions.pdfIn PDF document text
    • http://www.gorillawalker.com/the-china-fallacy-how-the-u-s-can-benefit-from.pdfIn PDF document text
    • http://www.gorillawalker.com/the-art-of-loving-complete-and-unabridged.pdfIn PDF document text
    • http://www.gorillawalker.com/direct-current-fundamentals.pdfIn PDF document text
    • http://www.gorillawalker.com/fodor-s-new-orleans-2003.pdfIn PDF document text
    • http://www.gorillawalker.com/the-oxford-handbook-of-philosophy-of-economics-oxford-handbooks.pdfIn PDF document text
    • http://www.gorillawalker.com/back-before-dark-sometimes-rescuing-a-friend-from-the-darkness.pdfIn PDF document text
    • http://www.gorillawalker.com/cost-accounting-global-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/auto-engine-repair-natef-standards-job-sheets.pdfIn PDF document text
    • http://www.gorillawalker.com/american-passage-the-history-of-ellis-island.pdfIn PDF document text
    • http://www.gorillawalker.com/a-look-at-cuba-our-world-pebble-books.pdfIn PDF document text
    • http://www.gorillawalker.com/the-argentine-republic-panama-pacific-exposition.pdfIn PDF document text
    • http://www.gorillawalker.com/effects-of-wing-plan-form-geometry-on-the-aerodynamic-characteristics.pdfIn PDF document text
    • http://www.gorillawalker.com/xiao-ya-ya-hui-jia-with-cd-audio-chinese-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/jim-carrey-star-tracks.pdfIn PDF document text
    • http://www.gorillawalker.com/living-nonviolent-communication-practical-tools-to-connect-and-communicate-skillfully.pdfIn PDF document text
    • http://www.gorillawalker.com/mudhakkirat-min-masirat-al-nidal-wa-al-jihad-arabic-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/short-vowel-u-workbook.pdfIn PDF document text
    • http://www.gorillawalker.com/un-secreto-para-criar-hijos-responsables-spanish-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/axis-midget-submarines-1939-45-new-vanguard.pdfIn PDF document text
    • http://www.gorillawalker.com/seven-words-for-wind-essays-and-field-notes-from-alaska.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://www.aiim.org/pdfa/ns/extension/In PDF document text
    • http://www.aiim.org/pdfa/ns/schema#In PDF document text
    • http://www.aiim.org/pdfa/ns/property#In PDF document text
    • http://www.aiim.org/pdfa/ns/id/In PDF document text

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