Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c172fed13034158…

MALICIOUS

PDF

32.9 KB Created: 2019-11-10 05:16:26 +03:00 Authoring application: - (via pdfTeX-1.0b-pdfcrypt)
MD5: 09c250f16c6a121ea761fce5c4c4052c SHA-1: 549e6f6742831f61d8f4de7497b3958a43fac32a SHA-256: 5c172fed13034158e7e06f4e5b9e3bdb6a4a7dc1498cfba091a9974c40419e14
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

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

Machine Learning

  • Nyx PDF Classifier malicious score 0.8313

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/times-jumbo-cryptic-crossword-11-crosswords-by-browne-richard-ed.pdf
    • http://www.gorillawalker.com/latin-glory-airline-colour-schemes-of-south-america-airlife-s.pdf
    • http://www.gorillawalker.com/the-khmer-lands-of-vietnam-environment-cosmology-and-sovereignty-asian.pdf
    • http://www.gorillawalker.com/year-9-practice-book-3-levels-6-8-new-maths.pdf
    • http://www.gorillawalker.com/minecraft-crafting-70-top-minecraft-essential-crafting-techniques-guide-expo.pdf
    • http://www.gorillawalker.com/now-we-will-be-happy-prairie-schooner-book-prize-in.pdf
    • http://www.gorillawalker.com/das-schlafende-heer-roman-1903-german-edition.pdf
    • http://www.gorillawalker.com/oboe-concerto-in-d-minor-transposed-to-c-minor-full.pdf
    • http://www.gorillawalker.com/kenya-writing-journal.pdf
    • http://www.gorillawalker.com/black-skin-privilege-and-the-american-dream-kindle-edition.pdf
    • http://www.gorillawalker.com/1001-words-you-need-to-know-and-use-an-a.pdf
    • http://www.gorillawalker.com/defying-the-distortion-how-we-created-air-america-the-new.pdf
    • http://www.gorillawalker.com/teaching-artist-handbook-volume-one-tools-techniques-and-ideas-to.pdf
    • http://www.gorillawalker.com/the-wondrous-whirligig-the-wright-brothers-first-flying-machine.pdf
    • http://www.gorillawalker.com/metal-rhythm-guitar-vol-2-bk-cd-the-troy-stetina.pdf
    • http://www.gorillawalker.com/reading-expeditions-social-studies-voices-from-america-s-past-our.pdf
    • http://www.gorillawalker.com/letters-to-my-mother-tributes-to-the-women-who-give.pdf
    • http://www.gorillawalker.com/second-wind-the-memoirs-of-an-opinionated-man-fireside-sports.pdf
    • http://www.gorillawalker.com/aquatic-therapy-programming.pdf
    • http://www.gorillawalker.com/charles-h-traub-dolce-via-italy-in-the-1980s.pdf
    • http://www.gorillawalker.com/magickal-dance-your-body-as-an-instrument-of-power-lewellyn.pdf
    • http://www.gorillawalker.com/what-i-love-about-you-mom.pdf
    • http://www.gorillawalker.com/developmental-disabilities-introduction-to-a-diverse-field.pdf
    • http://www.gorillawalker.com/atlas-of-historical-works-in-mongolia-selected-pages.pdf
    • http://www.gorillawalker.com/transition-and-challenge-china-s-population-at-the-beginning-of.pdf
    • http://www.gorillawalker.com/the-fart-party.pdf
    • http://www.gorillawalker.com/roulette-s-r-evolution-the-prediction-power.pdf
    • http://www.gorillawalker.com/the-girl-s-own-cultural-histories-of-the-anglo-american.pdf
    • http://www.gorillawalker.com/pharmcards-review-cards-for-medical-students.pdf
    • http://www.gorillawalker.com/thinking-without-desire-a-first-philosophy-of-law.pdf
    • http://www.gorillawalker.com/mastering-digital-photography-and-imaging.pdf
    • http://www.gorillawalker.com/arendt-and-america.pdf
    • http://www.gorillawalker.com/the-best-of-chinese-cooking-pin-wei-zhi-mandarin-chinese.pdf
    • http://www.gorillawalker.com/something-like-hope.pdf
    • http://www.gorillawalker.com/language-culture-and-communication-6th-edition.pdf
    • http://www.gorillawalker.com/functional-training-handbook.pdf
    • http://www.gorillawalker.com/outline-of-oral-surgery-pt-1-dental-practical-handbooks.pdf
    • http://www.gorillawalker.com/mission-to-planet-x-internet-coach-teacher-s-guide-book.pdf
    • http://www.gorillawalker.com/an-iconic-love-2-a-hood-romance.pdf
    • http://www.gorillawalker.com/busy-fingers-sheet.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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