Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3d3ec293e53c875…

MALICIOUS

PDF

42.1 KB Created: 2019-03-17 07:48:12 +03:00 Authoring application: -
MD5: fded0134dd859879cdc6b6e67f5f341d SHA-1: b69199a1726e47ff95e173cb9a596bf52b58d8dd SHA-256: d3d3ec293e53c875af746530f2b96b0f4f5dec0e4b8f3999babfb69f20bbbc7c
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF file contains a large number of embedded URLs pointing to external PDF documents, a technique often used for SEO manipulation or to redirect users to malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body was heavily truncated, 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/thomas-kinkade-painter-of-light-with-scripture-2014-engagement-calendar.pdf
    • http://www.gorillawalker.com/dave-grohl-nothing-to-lose-4th-edition.pdf
    • http://www.gorillawalker.com/buyer-be-wise-the-consumer-s-guide-to-buying-quality.pdf
    • http://www.gorillawalker.com/the-nature-of-new-testament-theology-essays-in-honour-of.pdf
    • http://www.gorillawalker.com/the-yellow-brick-road.pdf
    • http://www.gorillawalker.com/tower-of-power-silver-anniversary-revised-edition-personality.pdf
    • http://www.gorillawalker.com/usa-weekend-the-big-book-of-frame-games.pdf
    • http://www.gorillawalker.com/adlerian-counseling-and-psychotherapy-a-practitioner-s-approach-fifth-edition.pdf
    • http://www.gorillawalker.com/linux-in-a-windows-world.pdf
    • http://www.gorillawalker.com/inside-the-usa-resource-book-new-routes-in-geography.pdf
    • http://www.gorillawalker.com/images-of-excellence-carolina-basketball.pdf
    • http://www.gorillawalker.com/states-of-mind-american-and-post-soviet-perspectives-on-contemporary.pdf
    • http://www.gorillawalker.com/old-habits-die-hard-urban-renaissance.pdf
    • http://www.gorillawalker.com/the-freelancer-s-business-book-everything-you-need-to-know.pdf
    • http://www.gorillawalker.com/title-41-public-contract-101-2011-title-41-public-contracts.pdf
    • http://www.gorillawalker.com/glory-in-mongolia.pdf
    • http://www.gorillawalker.com/celebration-vocal-score.pdf
    • http://www.gorillawalker.com/thy-brother-s-wife.pdf
    • http://www.gorillawalker.com/the-good-wife-guide-19-rules-for-keeping-a-happy.pdf
    • http://www.gorillawalker.com/electron-microscopy-1992-first-edition.pdf
    • http://www.gorillawalker.com/topics-in-algebraic-and-analytic-geometry-mn-13-notes-from.pdf
    • http://www.gorillawalker.com/darfur-the-ambiguous-genocide.pdf
    • http://www.gorillawalker.com/the-big-book-of-sales-games-quick-fun-activities-for.pdf
    • http://www.gorillawalker.com/the-collected-stories-of-jean-stafford.pdf
    • http://www.gorillawalker.com/basic-college-mathematics-with-early-integers-3rd-edition.pdf
    • http://www.gorillawalker.com/fields-of-blessing.pdf
    • http://www.gorillawalker.com/project-seasons-hands-on-activities-for-discovering-the-wonders-of.pdf
    • http://www.gorillawalker.com/la-maison-du-chocolat-transcendent-desserts-by-the-legendary-chocolatier.pdf
    • http://www.gorillawalker.com/the-game-production-handbook.pdf
    • http://www.gorillawalker.com/accidental-sorceress-hardstorm-saga-volume-2.pdf
    • http://www.gorillawalker.com/book-of-when-where-when-what-who-s.pdf
    • http://www.gorillawalker.com/mrs-lincoln-a-life.pdf
    • http://www.gorillawalker.com/art-deco-design-mini-wall-calendar-2015-art-calendar.pdf
    • http://www.gorillawalker.com/herbal-medicines.pdf
    • http://www.gorillawalker.com/principles-of-applied-mathematics-advanced-book-program.pdf
    • http://www.gorillawalker.com/photography-in-educational-research-critical-reflections-from-diverse-contexts.pdf
    • http://www.gorillawalker.com/tres-hermanas-spanish-edition.pdf
    • http://www.gorillawalker.com/conversations-with-eritrean-political-prisoners.pdf
    • http://www.gorillawalker.com/nelson-s-big-book-of-laughter-thousands-of-smiles-from.pdf
    • http://www.gorillawalker.com/the-best-of-500-ceramics-celebrating-a-decade-in-clay.pdf
    • http://www.gorillawalker.com/adler
    • 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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