Malicious PDF — malware analysis report

Static analysis result for SHA-256 1821ae21e1eedb53…

MALICIOUS

PDF

32.6 KB Created: 2019-12-13 20:43:11 +03:00 Authoring application: Adobe InDesign CS6 (Macintosh) (via Adobe PDF Library 10.0.1)
MD5: 392338a78e5d65e1277854128cb3353a SHA-1: 58b0bcb3b3471e89652143e9124e065365385467 SHA-256: 1821ae21e1eedb53b930a28cde99e84470f8faec0ce552ec16b3e9bbada2d5d9
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to external PDF files. The ML_NYX_PDF_MALICIOUS heuristic also flagged the document. While no scripts were explicitly extracted, the nature of the embedded links suggests an attempt to manipulate search engine results or redirect users to potentially malicious content hosted on the linked domains.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8529

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/cases-in-management-science-business-statistics.pdf
    • http://www.gorillawalker.com/big-mouth-and-ugly-girl.pdf
    • http://www.gorillawalker.com/unresolved-dilemmas-women-work-the-family-in-the-united-states.pdf
    • http://www.gorillawalker.com/clinical-rheumatology-a-problem-oriented-approach-to-diagnosis-and-management.pdf
    • http://www.gorillawalker.com/the-international-design-yearbook.pdf
    • http://www.gorillawalker.com/girls-think-of-everything-stories-of-ingenious-inventions-by-women.pdf
    • http://www.gorillawalker.com/the-kundalini-yoga-experience-bringing-body-mind-and-spirit-together.pdf
    • http://www.gorillawalker.com/arlington-treasured-recipes.pdf
    • http://www.gorillawalker.com/chasing-sofia-nights-in-madrid-volume-3.pdf
    • http://www.gorillawalker.com/practical-research-planning-and-design-10th-edition.pdf
    • http://www.gorillawalker.com/trade-promotion-strategies-business-and-government-united-the-international-business.pdf
    • http://www.gorillawalker.com/working-together-organizational-transactional-analysis-and-business-performance.pdf
    • http://www.gorillawalker.com/konzert-in-h-op-104-f-r-violoncello-und-orchester.pdf
    • http://www.gorillawalker.com/the-hot-conflicts-cold-war.pdf
    • http://www.gorillawalker.com/volleys-critical-directions.pdf
    • http://www.gorillawalker.com/weapons-of-mass-destruction-illicit-trade-and-trafficking-the-library.pdf
    • http://www.gorillawalker.com/the-influence-workout-the-10-tried-and-tested-steps-that.pdf
    • http://www.gorillawalker.com/just-for-now-escape-to-new-zealand-book-3-kindle.pdf
    • http://www.gorillawalker.com/introductory-topology.pdf
    • http://www.gorillawalker.com/the-candidate.pdf
    • http://www.gorillawalker.com/a-pilgrimage-of-trust-faith-in-action.pdf
    • http://www.gorillawalker.com/diet-health-fitness-dieting-natural-foods-budget-healthy-snacks-collection.pdf
    • http://www.gorillawalker.com/stranger-music-selected-poems-and-songs.pdf
    • http://www.gorillawalker.com/balancing-fundamental-rights-with-the-eu-treaty-freedoms-the-european.pdf
    • http://www.gorillawalker.com/mishnah-berurah-vol-3-hebrew-and-english-edition.pdf
    • http://www.gorillawalker.com/jazz-visions-lennie-tristano-and-his-legacy-popular-music-history.pdf
    • http://www.gorillawalker.com/his-little-duchess-naughty-older-man-younger-woman-first-time.pdf
    • http://www.gorillawalker.com/suddenly-supernatural-school-spirit.pdf
    • http://www.gorillawalker.com/mining-for-heavenly-gold-on-earth-how-to-center-yourself.pdf
    • http://www.gorillawalker.com/they-dream-not-of-angels-but-of-men-homoeroticism-gender.pdf
    • http://www.gorillawalker.com/how-to-write-a-70-murder-essay-in-law-school.pdf
    • http://www.gorillawalker.com/dependent-origination-kindle-edition.pdf
    • http://www.gorillawalker.com/prevention-and-control-of-sewer-system-overflows-3e-mop-fd.pdf
    • http://www.gorillawalker.com/transportation-planner-cool-stem-careers.pdf
    • http://www.gorillawalker.com/catacombs-a-tale-of-the-barque-cats-a-tale-of.pdf
    • http://www.gorillawalker.com/lectures-on-the-origin-and-growth-of-religion-as-illustrated.pdf
    • http://www.gorillawalker.com/hawaii-the-pacific-state-the-pacific-state.pdf
    • http://www.gorillawalker.com/aqa-gcse-religious-studies-a-philosophy-of-religion.pdf
    • http://www.gorillawalker.com/biogas-production-pretreatment-methods-in-anaerobic-digestion.pdf
    • http://www.gorillawalker.com/reflect-relate-an-introduction-to-interpersonal-communication-2nd-edition.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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