Malicious PDF — malware analysis report

Static analysis result for SHA-256 351c738838d57696…

MALICIOUS

PDF

42.6 KB Created: 2019-01-06 08:09:47 +03:00 Authoring application: FrameMaker 6.0 (via Acrobat Distiller 5.0.5 (Windows))
MD5: 5dd8fbd32bb9caa1c5204e52bda69c2f SHA-1: 1bab74fb7862f2b8d0e961d603e7d4f14ace0010 SHA-256: 351c738838d57696e73262572ded837bd2dd42e9f16f34584910e80a5ea03b47
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF contains a large number of embedded links to external PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML_NYX_PDF_MALICIOUS heuristic also flagged the document with high confidence. The embedded URLs are likely used to distribute malicious content or manipulate search engine rankings. No scripts were extracted from this sample.

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-peak-to-peek-principle.pdf
    • http://www.gorillawalker.com/space-science-cover-ups-the-truth-about-the-moon-mars.pdf
    • http://www.gorillawalker.com/amor-of-tibetan-plateau-chinese-edition.pdf
    • http://www.gorillawalker.com/used-car-buying-guide-2004-consumer-reports-used-car-buying.pdf
    • http://www.gorillawalker.com/travels-on-the-dance-floor.pdf
    • http://www.gorillawalker.com/the-works-of-john-wesley-volume-18-journal-and-diaries.pdf
    • http://www.gorillawalker.com/scholastic-reader-level-2-katie-fry-private-eye-1-the.pdf
    • http://www.gorillawalker.com/by-vickie-kimbrough-charla-lautar-ethics-jurisprudence-and-practice-management.pdf
    • http://www.gorillawalker.com/mexico-a-history.pdf
    • http://www.gorillawalker.com/making-the-most-of-retirement-for-dummies.pdf
    • http://www.gorillawalker.com/sword-of-allah-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/robot-invasion-7-cool-and-easy-robot-projects.pdf
    • http://www.gorillawalker.com/receiving-the-marrow-teachings-on-dogen-by-soto-zen-women.pdf
    • http://www.gorillawalker.com/juvenal-for-schools-part-4-satires-12-16-1879.pdf
    • http://www.gorillawalker.com/declaration-of-relevant-interests-when-communicating-with-ministers-2nd-report.pdf
    • http://www.gorillawalker.com/secretos-de-silicon-valley-lo-que-hay-para-aprender-de.pdf
    • http://www.gorillawalker.com/draping-basics.pdf
    • http://www.gorillawalker.com/schroder-a-novel.pdf
    • http://www.gorillawalker.com/katy-steding-pro-basketball-pioneer-lerner-sports-achievers.pdf
    • http://www.gorillawalker.com/danish-eyewitness-travel-packs.pdf
    • http://www.gorillawalker.com/sandiego-pokapoka-nikki1-japanese-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/the-phoenicians-the-ancient-world.pdf
    • http://www.gorillawalker.com/spirit-possession-in-french-haitian-and-vodou-thought-an-intellectual.pdf
    • http://www.gorillawalker.com/wendy-on-wheels-goes-to-the-beach.pdf
    • http://www.gorillawalker.com/fathering-like-the-father.pdf
    • http://www.gorillawalker.com/analysing-the-chinese-revolution-pack-textbook-and-interactive-textbook.pdf
    • http://www.gorillawalker.com/legitimacy-and-drones-investigating-the-legality-morality-and-efficacy-of.pdf
    • http://www.gorillawalker.com/holt-mcdougal-modern-chemistry-florida-student-edition-2012.pdf
    • http://www.gorillawalker.com/gulliver-s-travels-young-reading-2.pdf
    • http://www.gorillawalker.com/not-her-kindle-edition.pdf
    • http://www.gorillawalker.com/in-search-of-the-perfect-loaf-a-home-baker-s.pdf
    • http://www.gorillawalker.com/historia-del-mundo-contada-para-esc-pticos-spanish-edition.pdf
    • http://www.gorillawalker.com/500-subtraction-worksheets-with-5-digit-minuends-3-digit-subtrahends.pdf
    • http://www.gorillawalker.com/gmo-free-diet-how-to-stay-healthy-by-identifying-and.pdf
    • http://www.gorillawalker.com/conoce-a-cristobal-colon-spanish-edition-personaje-del-mundo-hispanico.pdf
    • http://www.gorillawalker.com/brittany-travel-guide.pdf
    • http://www.gorillawalker.com/br-jula-para-el-ministerio-evang-lico-la.pdf
    • http://www.gorillawalker.com/eight-chirurgical-treatises-on-these-followings-heads-viz-i-of.pdf
    • http://www.gorillawalker.com/nothing-holds-back-the-night-a-novel.pdf
    • http://www.gorillawalker.com/monoclonal-antibodies-a-practical-approach-practical-approach-series.pdf
    • http://www.gorillawa
    • 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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