Malicious PDF — malware analysis report

Static analysis result for SHA-256 eec35114d6be1804…

MALICIOUS

PDF

44.4 KB Created: 2019-04-07 18:03:30 +03:00 Authoring application: Adobe Acrobat 8.0 (via Adobe Acrobat 8.0 Image Conversion Plug-in)
MD5: 4a2ac0940e67d2ac737ee4977194c966 SHA-1: 2a7c663fa07fb7ad534da1c2c8a161e077718b90 SHA-256: eec35114d6be1804b36709785f08bbad96122e5160586961d1edf7c23fb8da74
90 Risk Score

Malware Insights

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

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 point to a single domain, suggesting a coordinated effort to manipulate search engine results or distribute content from a central location. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9171

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/21-century-clerical-class-vocational-education-planning-materials-and-project.pdf
    • http://www.gorillawalker.com/book2-english-serbian-for-beginners-a-book-in-2-languages.pdf
    • http://www.gorillawalker.com/transport-phenomena-in-biological-systems-2004-publication.pdf
    • http://www.gorillawalker.com/complete-swedish-learn-swedish-with-teach-yourself-audio-support.pdf
    • http://www.gorillawalker.com/code-of-federal-regulations-title-20-employees-benefits-pt-400.pdf
    • http://www.gorillawalker.com/the-barbados-carolina-connection.pdf
    • http://www.gorillawalker.com/taliban-part-1-overview-background-an-article-from-aps-diplomat.pdf
    • http://www.gorillawalker.com/fondue-magic-fun-flame-and-saucery-around-the-world.pdf
    • http://www.gorillawalker.com/pojo-s-unofficial-yu-gi-oh-guide-to-labyrinth-of.pdf
    • http://www.gorillawalker.com/the-complete-mediterranean-cookbook-over-270-recipes.pdf
    • http://www.gorillawalker.com/doodle-dog-ready-to-read-level-1.pdf
    • http://www.gorillawalker.com/book-of-eskimos.pdf
    • http://www.gorillawalker.com/breve-historia-de-carlomagno-y-el-sacro-imperio-romano-germ.pdf
    • http://www.gorillawalker.com/abelian-group-theory.pdf
    • http://www.gorillawalker.com/my-first-brain-quest-revised-4th-edition-350-questions-and.pdf
    • http://www.gorillawalker.com/intentional-walk-part-1.pdf
    • http://www.gorillawalker.com/higher-education-emerging-technologies-and-community-partnerships-concepts-models-and.pdf
    • http://www.gorillawalker.com/the-learning-commons-seven-simple-steps-to-transform-your-library.pdf
    • http://www.gorillawalker.com/abel-s-laboratory-handbook-of-bacteriology-volume-1.pdf
    • http://www.gorillawalker.com/lonely-planet-central-america-shoestring.pdf
    • http://www.gorillawalker.com/jonah-and-the-whale-a-chunky-book-r.pdf
    • http://www.gorillawalker.com/treasuring-the-gift-of-tea-time-tea-parties-for-mothers.pdf
    • http://www.gorillawalker.com/murder-on-the-links-a-bbc-full-cast-radio-drama.pdf
    • http://www.gorillawalker.com/understanding-your-sex-drive.pdf
    • http://www.gorillawalker.com/a-closer-walk-with-thee-just-a-closer-walk-with.pdf
    • http://www.gorillawalker.com/system-on-a-chip-design-and-test.pdf
    • http://www.gorillawalker.com/keeping-control-understanding-and-overcoming-fecal-incontinence-a-johns-hopkins.pdf
    • http://www.gorillawalker.com/how-to-rebuild-big-block-ford-engines.pdf
    • http://www.gorillawalker.com/2008-national-qualification-examination-for-medical-practitioners-physician-assistant-practicing.pdf
    • http://www.gorillawalker.com/from-now-on-new-and-selected-poems-1970-2015.pdf
    • http://www.gorillawalker.com/the-new-york-pop-up-book.pdf
    • http://www.gorillawalker.com/altruistic-humanism-and-voluntary-beneficent-euthanasia-an-article-from-issues.pdf
    • http://www.gorillawalker.com/projections-of-war-hollywood-american-culture-and-world-war-ii.pdf
    • http://www.gorillawalker.com/fear-a-modern-anthology-of-horror-and-terror-volume-1.pdf
    • http://www.gorillawalker.com/a-manual-of-essential-cello-techniques.pdf
    • http://www.gorillawalker.com/grey-fifty-shades-of-revenge.pdf
    • http://www.gorillawalker.com/defending-the-revolution-the-church-of-scotland-1689-1716.pdf
    • http://www.gorillawalker.com/amber-resinite-and-fossil-resins-acs-symposium-series.pdf
    • http://www.gorillawalker.com/surviving-1000-centuries-can-we-do-it-springer-praxis-books.pdf
    • http://www.gorillawalker.com/woha-breathing-architecture.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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