Malicious PDF — malware analysis report

Static analysis result for SHA-256 22097c75e94869f2…

MALICIOUS

PDF

41.8 KB Created: 2018-11-30 01:48:41 +03:00 Authoring application: http://www.helpandmanual.com (via wPDF3 by WPCubed GmbH)
MD5: 6a8dfd125bbee1319bce68132a444c82 SHA-1: b0763964839ef13b15712bad4ba215f19fa6803e SHA-256: 22097c75e94869f26e393123f2f237703515d453b6a59615b77f60bca8c502b6
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a significant number of embedded URLs pointing to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this document as malicious with high confidence. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9181

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/the-dead-sea-scrolls.pdf
    • http://www.gorillawalker.com/fundamental-legal-conceptions-as-applied-in-judicial-paperback-common.pdf
    • http://www.gorillawalker.com/my-bridges-of-hope.pdf
    • http://www.gorillawalker.com/romina-babybug-bambina.pdf
    • http://www.gorillawalker.com/je-suis-charlie-the-charlie-hebdo-newspaper-massacre-kindle-edition.pdf
    • http://www.gorillawalker.com/pharmaceutical-microbiology-glossary.pdf
    • http://www.gorillawalker.com/out-of-the-house-of-life.pdf
    • http://www.gorillawalker.com/schirmer-s-library-of-musical-classics-vol-1359-the-nutcracker.pdf
    • http://www.gorillawalker.com/chapter-by-chapter-an-easy-to-use-summary-of-the.pdf
    • http://www.gorillawalker.com/the-lianja-epic-poets-of-africa.pdf
    • http://www.gorillawalker.com/iroquois-culture-commentary.pdf
    • http://www.gorillawalker.com/the-amazing-life-of-ormond-mcgill-dean-of-american-hypnotists.pdf
    • http://www.gorillawalker.com/a-short-history-of-chess.pdf
    • http://www.gorillawalker.com/impedimetric-biosensors-for-medical-applications-current-progress-and-challenges-biomedical.pdf
    • http://www.gorillawalker.com/shadow-ministry-the-power-of-three-the-ministry-1-siren.pdf
    • http://www.gorillawalker.com/the-james-bond-omnibus-vol-005.pdf
    • http://www.gorillawalker.com/the-collier-quick-and-easy-guide-to-skin-and-scuba.pdf
    • http://www.gorillawalker.com/divided-soul-the-life-of-marvin-gaye-da-capo-paperback.pdf
    • http://www.gorillawalker.com/big-box-of-romance-six-book-romance-boxed-set.pdf
    • http://www.gorillawalker.com/the-management-of-marine-design.pdf
    • http://www.gorillawalker.com/a-world-view-of-criminal-justice-hunger-for-justice-international.pdf
    • http://www.gorillawalker.com/the-wordsworth-dictionary-of-military-biography-wordsworth-collection.pdf
    • http://www.gorillawalker.com/short-circuits-crafting-e-puppets-with-diy-electronics-the-john.pdf
    • http://www.gorillawalker.com/the-vatican-city-photo-guide-with-two-maps.pdf
    • http://www.gorillawalker.com/every-last-breath-the-dark-elements.pdf
    • http://www.gorillawalker.com/thinking-through-crisis-improving-teamwork-and-leadership-in-high-risk.pdf
    • http://www.gorillawalker.com/amor-redentor-una-novela-redeeming-love-spanish-edition.pdf
    • http://www.gorillawalker.com/the-art-of-charlie-chan-hock-chye.pdf
    • http://www.gorillawalker.com/derek-attridge-in-conversation-critical-voices.pdf
    • http://www.gorillawalker.com/trappings-of-the-great-basin-buckaroo.pdf
    • http://www.gorillawalker.com/this-time-together-laughter-and-reflection-by-carol-burnett-mar.pdf
    • http://www.gorillawalker.com/in-plane-semiconductor-lasers-3-proceedings-of-spie-the-international.pdf
    • http://www.gorillawalker.com/londres-les-plus-beaux-fleuves-lacs-et-canaux-tout-tourne.pdf
    • http://www.gorillawalker.com/sor-juana-y-carlos-de-siguenza-una-amistad-entre-genios.pdf
    • http://www.gorillawalker.com/nasty-chugs-rhythm-harmonica-for-kids.pdf
    • http://www.gorillawalker.com/100-clinical-cases-and-osces-in-medicine.pdf
    • http://www.gorillawalker.com/disney-spectacular-medley-cd.pdf
    • http://www.gorillawalker.com/force-and-freedom-kant-s-legal-and-political-philosophy.pdf
    • http://www.gorillawalker.com/marriage-and-family-in-the-biblical-world.pdf
    • http://www.gorillawalker.com/dream-captive-forced-to-submit.pdf
    • http://www.helpandmanual.com
    • 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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