Malicious PDF — malware analysis report

Static analysis result for SHA-256 1587748539206733…

MALICIOUS

PDF

33.8 KB Created: 2019-12-13 19:41:07 +03:00 Authoring application: Acrobat PDFMaker 7.0 for Word (via Acrobat Distiller 7.0 (Windows))
MD5: 70e0f3380c9e1097fefb8cd276a1fc0d SHA-1: 506a3a3fa0f3e00f653ed94e7926844f5b58356e SHA-256: 1587748539206733c64e696b8b3707ea88a667835512a6108e2588e6738afb14
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 malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body was unreadable.

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/child-soldiers-in-the-age-of-fractured-states-the-security.pdf
    • http://www.gorillawalker.com/taking-out-the-trash-in-tulia-texas-kindle-edition.pdf
    • http://www.gorillawalker.com/introduction-to-autocad-2005-2d-and-3d-design.pdf
    • http://www.gorillawalker.com/ian-fleming-a-personal-memoir.pdf
    • http://www.gorillawalker.com/common-credo-the-path-back-to-american-success.pdf
    • http://www.gorillawalker.com/feels-like-family-sweet-magnolias-series.pdf
    • http://www.gorillawalker.com/why-i-married-a-passable-tranny.pdf
    • http://www.gorillawalker.com/netter-s-obstetrics-gynecology-women-s-health.pdf
    • http://www.gorillawalker.com/your-right-to-be-rich-think-and-grow-rich.pdf
    • http://www.gorillawalker.com/stochastic-geometry-and-wireless-networks-part-i-theory-foundations-and.pdf
    • http://www.gorillawalker.com/becoming-an-orchestral-musician-a-guide-for-aspiring-professionals.pdf
    • http://www.gorillawalker.com/assessment-procedures-for-counselors-and-helping-professionals-7th-edition.pdf
    • http://www.gorillawalker.com/sensors-update-vol-6.pdf
    • http://www.gorillawalker.com/thomas-mcknight-windows-on-paradise.pdf
    • http://www.gorillawalker.com/emar-after-the-closure-of-the-tabqa-dam-the-syrian.pdf
    • http://www.gorillawalker.com/macroeconomics-for-managers.pdf
    • http://www.gorillawalker.com/lasagna-gardening-with-herbs-enjoy-fresh-flavor-fragrance-and-beauty.pdf
    • http://www.gorillawalker.com/food-technology-for-key-stage-3-course-guide-pupils-book.pdf
    • http://www.gorillawalker.com/butt-workout-6-week-plan-the-best-butt-workout-guide.pdf
    • http://www.gorillawalker.com/the-cambridge-companion-to-gilbert-and-sullivan-cambridge-companions-to.pdf
    • http://www.gorillawalker.com/worldviews-in-conflict-a-study-in-western-philosophy-literature-culture.pdf
    • http://www.gorillawalker.com/sams-teach-yourself-c-in-21-days-5th-edition.pdf
    • http://www.gorillawalker.com/2015-hcpcs-level-ii-professional-edition-pageburst-e-book-on.pdf
    • http://www.gorillawalker.com/jersey-lovers.pdf
    • http://www.gorillawalker.com/confusion-is-a-state-of-grace-humor-and-wisdom-for.pdf
    • http://www.gorillawalker.com/cranial-osteopathy-for-infants-children-and-adolescents-a-practical-handbook.pdf
    • http://www.gorillawalker.com/tapped-out-the-coming-world-crisis-in-water-and-what.pdf
    • http://www.gorillawalker.com/new-rules-of-the-game-10-strategies-for-women-in.pdf
    • http://www.gorillawalker.com/automatic-transmission-and-transaxle-tasksheet-manual-for-natef-proficiency.pdf
    • http://www.gorillawalker.com/the-bald-eagle-s-view-of-american-history.pdf
    • http://www.gorillawalker.com/halley-s-bible-handbook-deluxe-edition-completely-revised-and-expanded.pdf
    • http://www.gorillawalker.com/ibm-cognos-tm1-the-official-guide.pdf
    • http://www.gorillawalker.com/the-state-parks-of-arizona.pdf
    • http://www.gorillawalker.com/the-100-hamburger.pdf
    • http://www.gorillawalker.com/25-happy-fathers-day-high-protein-foods-and-healthy-dinner.pdf
    • http://www.gorillawalker.com/the-unplayable-lie-the-untold-story-of-women-and-discrimination.pdf
    • http://www.gorillawalker.com/dictionary-of-the-middle-east.pdf
    • http://www.gorillawalker.com/mohr.pdf
    • http://www.gorillawalker.com/the-little-tale-of-peter-rabbit-coloring-book-dover-little.pdf
    • http://www.gorillawalker.com/the-laughing-jesus.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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