Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ba09d7d4250391e…

MALICIOUS

PDF

42.5 KB Created: 2018-11-15 19:36:16 +03:00 Authoring application: Adobe Acrobat Pro 11.0.18 (via Adobe PDF Library 11.0)
MD5: b63d10a25e054b22e3fcc6fd86c0fa5f SHA-1: bc1bc083ed604b0bb63bf9f94d78b0ae7d30cb3a SHA-256: 7ba09d7d4250391e98f6c36cc0bd5b904a39958ccd829680a4e27ae24777e23f
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 on the domain 'gorillawalker.com'. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malicious payloads disguised as legitimate documents. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific intent beyond the URL distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8872

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/extreme-close-up-photography-and-focus-stacking.pdf
    • http://www.gorillawalker.com/laser-light-scattering-basic-principles-and-practice.pdf
    • http://www.gorillawalker.com/easy-grammar-4.pdf
    • http://www.gorillawalker.com/100-tree-myths.pdf
    • http://www.gorillawalker.com/legal-aspects-in-purchasing-and-supply.pdf
    • http://www.gorillawalker.com/living-by-faith-justification-and-sanctification-lutheran-quarterly-books-lqb.pdf
    • http://www.gorillawalker.com/gold-in-idaho.pdf
    • http://www.gorillawalker.com/dear-judy-did-you-ever-like-a-boy-who-didn.pdf
    • http://www.gorillawalker.com/beta-decay-betazerfall-handbuch-der-physik-encyclopedia-of-physics-kernphysik.pdf
    • http://www.gorillawalker.com/publishing-fundamentals-unstructured-framemaker-11.pdf
    • http://www.gorillawalker.com/aerial-surveys-of-endangered-and-protected-species-in-the-empress.pdf
    • http://www.gorillawalker.com/hidden-pleasures-3-melt-a-bbw-interracial-menage-romance.pdf
    • http://www.gorillawalker.com/inside-agt-the-untold-stories-of-america-s-got-talent.pdf
    • http://www.gorillawalker.com/think-like-a-cat-how-to-raise-a-well-adjusted.pdf
    • http://www.gorillawalker.com/the-guermantes-way.pdf
    • http://www.gorillawalker.com/real-federalism-why-it-matters-how-it-could-happen.pdf
    • http://www.gorillawalker.com/oh-my-goddess-vol-23.pdf
    • http://www.gorillawalker.com/celulitis-spanish-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/starting-out-with-c-from-control-structure-to-objects-student.pdf
    • http://www.gorillawalker.com/the-voice-bible-step-into-the-story-of-scripture.pdf
    • http://www.gorillawalker.com/the-book-of-griswold-and-wagner-favorite-wapak-sidney-hollow.pdf
    • http://www.gorillawalker.com/indigo.pdf
    • http://www.gorillawalker.com/now-and-then-around-the-home-learn-abouts.pdf
    • http://www.gorillawalker.com/america-s-most-wanted-recipes-kids-menu-restaurant-favorites-your.pdf
    • http://www.gorillawalker.com/wet-widow-a-victorian-lesbian-watersports-story.pdf
    • http://www.gorillawalker.com/geile-frauen-unzensierte-nackte-sex-bilder-f-r-erwachsene-junge.pdf
    • http://www.gorillawalker.com/in-search-of-the-african-wild-dog.pdf
    • http://www.gorillawalker.com/alfa-romeo-ferrari.pdf
    • http://www.gorillawalker.com/gideon-s-spear-finn-finnegan-kindle-edition.pdf
    • http://www.gorillawalker.com/concrete-bridges-designing-with-eurocodes.pdf
    • http://www.gorillawalker.com/el-libro-de-la-cocina-espanola-los-5-sentidos-spanish.pdf
    • http://www.gorillawalker.com/come-look-with-me-exploring-landscape-art-with-children-come.pdf
    • http://www.gorillawalker.com/meditaci-n-edici-n-ampliada-con-m-s-de-80.pdf
    • http://www.gorillawalker.com/sherlock-holmes-e-il-fantasma-di-mrs-julia-sherlockiana-italian.pdf
    • http://www.gorillawalker.com/simple-buddhism-a-guide-to-enlightened-living-simple-series.pdf
    • http://www.gorillawalker.com/logical-tracts-comprising-observations-and-essays-illustrative-of-mr-locke.pdf
    • http://www.gorillawalker.com/1st-pressings-the-history-of-rhythm-and-blues.pdf
    • http://www.gorillawalker.com/brief-treatments-for-the-traumatized-a-project-of-the-green.pdf
    • http://www.gorillawalker.com/energy-efficient-vlsi-design-and-implementation-on-28nm-fpga-fpga.pdf
    • http://www.gorillawalker.com/utility-management-for-water-wastewater-operators.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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