Malicious PDF — malware analysis report

Static analysis result for SHA-256 e8ceb4ccfdee5abd…

MALICIOUS

PDF

32.1 KB Created: 2019-12-14 02:38:00 +03:00 Authoring application: Adobe Acrobat 6.02 (via Adobe Acrobat 6.02 Paper Capture Plug-in)
MD5: 29e718d986e0b0558330d1ac15f0949f SHA-1: 4d658434661f923238cf2386b86d13e4984bb863 SHA-256: e8ceb4ccfdee5abdef3d8b1a85d6db2e1417780a3dff5d08e6673f09badcccb3
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, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body was heavily obfuscated, preventing a deeper analysis of its specific intent beyond link farming.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8447

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/how-to-form-a-nonprofit-corporation-book-w-cd-rom.pdf
    • http://www.gorillawalker.com/beginning-digital-electronics-through-projects.pdf
    • http://www.gorillawalker.com/powerful-voices-the-musical-and-social-world-of-collegiate-a.pdf
    • http://www.gorillawalker.com/melancholy-witness-images-of-the-troubles.pdf
    • http://www.gorillawalker.com/the-abduction-of-edith-martin.pdf
    • http://www.gorillawalker.com/espanol-en-marcha-basico-a1-a2-with-2-audio-cd.pdf
    • http://www.gorillawalker.com/stronger-what-doesn-t-kill-you-satb-glee-cast-satb.pdf
    • http://www.gorillawalker.com/classic-set-theory-for-guided-independent-study-a-guided-introduction.pdf
    • http://www.gorillawalker.com/mortal-danger-the-world-of-the-lupi-book-2.pdf
    • http://www.gorillawalker.com/the-midnight-twins-midnight-twins-novels.pdf
    • http://www.gorillawalker.com/bootstrap-tests-for-regression-models-palgrave-texts-in-econometrics.pdf
    • http://www.gorillawalker.com/saint-thomas-more-courage-conscience-and-the-king-encounter-the.pdf
    • http://www.gorillawalker.com/silent-hill-prima-s-official-strategy-guide.pdf
    • http://www.gorillawalker.com/understand-basic-chemistry-concepts-the-periodic-table-chemical-bonds-naming.pdf
    • http://www.gorillawalker.com/the-persian-cat.pdf
    • http://www.gorillawalker.com/messages-on-christian-science-series-4.pdf
    • http://www.gorillawalker.com/feather-woman-of-the-jungle.pdf
    • http://www.gorillawalker.com/ricky.pdf
    • http://www.gorillawalker.com/am-i-the-only-sane-one-working-here-101-solutions.pdf
    • http://www.gorillawalker.com/encyclopedia-of-medieval-literature.pdf
    • http://www.gorillawalker.com/understanding-social-movements-digital.pdf
    • http://www.gorillawalker.com/plowed-and-planted-by-the-futa-pirate-queen.pdf
    • http://www.gorillawalker.com/odds-ratios-in-the-analysis-of-contingency-tables-quantitative-applications.pdf
    • http://www.gorillawalker.com/what-adults-need-to-know-about-kids-and-substance-use.pdf
    • http://www.gorillawalker.com/the-glorious-vegetables-of-italy.pdf
    • http://www.gorillawalker.com/mcdougal-littell-literature-california-student-s-edition-grade-07-2009.pdf
    • http://www.gorillawalker.com/bacterial-pangenomics-methods-and-protocols-methods-in-molecular-biology.pdf
    • http://www.gorillawalker.com/the-fiberarts-design-book-ii.pdf
    • http://www.gorillawalker.com/the-hound-of-the-baskervilles-a-sherlock-holmes-novel-unabridged.pdf
    • http://www.gorillawalker.com/fun-with-the-lawyer-chocolates-and-cream-book-3.pdf
    • http://www.gorillawalker.com/rally-round-the-flag-uniforms-of-the-union-volunteers-of.pdf
    • http://www.gorillawalker.com/coyote-at-the-kitchen-door-living-with-wildlife-in-suburbia.pdf
    • http://www.gorillawalker.com/old-soldier-sahib.pdf
    • http://www.gorillawalker.com/signs-point-to-yes-the-mason-braithwaite-paranormal-mystery-series.pdf
    • http://www.gorillawalker.com/albatros-d-vii.pdf
    • http://www.gorillawalker.com/conan-meets-the-academy-multidisciplinary-essays-on-the-enduring-barbarian.pdf
    • http://www.gorillawalker.com/forty-fifth-georgia-regiment-volunteer-infantry-a-history.pdf
    • http://www.gorillawalker.com/venganza-trakatr.pdf
    • http://www.gorillawalker.com/chilton-s-repair-and-tune-up-guide-inboard-outdrives.pdf
    • http://www.gorillawalker.com/how-the-constitution-was-created-the-u-s-government-how.pdf
    • http://www.gorillawalk
    • 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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