Malicious PDF — malware analysis report

Static analysis result for SHA-256 9cff41683b7f3124…

MALICIOUS

PDF

44.7 KB Created: 2018-11-23 21:03:21 +03:00 Authoring application: dvips(k) 5.95a Copyright 2005 Radical Eye Software (via GPL Ghostscript 8.61)
MD5: 7b7762261cf3c9f1a8acccc8d0961ad9 SHA-1: 52e52e1edeac688be26ff820271a6fee1a0f0018 SHA-256: 9cff41683b7f3124342eea04ef83fca63d151cb1258ec152eea97e0341ef92b2
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 not parsable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8173

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/cat-on-a-hottie-s-tin-roof.pdf
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    • http://www.gorillawalker.com/tears-of-a-lamb-vol-6.pdf
    • http://www.gorillawalker.com/multiplication-of-distributions-a-tool-in-mathematics-numerical-engineering-and.pdf
    • http://www.gorillawalker.com/measuring-outcomes-of-type-2-diabetes-disease-management-program-in.pdf
    • http://www.gorillawalker.com/biblical-psychology-christ-centered-solutions-for-daily-problems-oswald-chambers.pdf
    • http://www.gorillawalker.com/a-boy-i-once-knew-what-a-teacher-learned-from.pdf
    • http://www.gorillawalker.com/latin-american-and-iberian-perspectives-on-literature-and-medicine-routledge.pdf
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    • http://www.gorillawalker.com/gomorrah.pdf
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    • http://www.gorillawalker.com/up-in-the-air-kindle-edition.pdf
    • http://www.gorillawalker.com/electrical-motor-controls.pdf
    • http://www.gorillawalker.com/ordinary-women-extraordinary-success-everything-you-need-to-excel-from.pdf
    • http://www.gorillawalker.com/our-inner-conflicts-a-constructive-theory-of-neurosis.pdf
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    • http://www.gorillawalker.com/the-episcopal-church-in-lebanon-county.pdf
    • http://www.gorillawalker.com/cobra-outlaw.pdf
    • http://www.gorillawalker.com/superfluidity-superconductivity.pdf
    • http://www.gorillawalker.com/big-apple-circus-25th-anniversary-book.pdf
    • http://www.gorillawalker.com/black-friday-cherub-mp3-audio-digital.pdf
    • http://www.gorillawalker.com/the-orthodox-church-in-austria-hungary-the-metropolitanate-of-hermannstadt.pdf
    • http://www.gorillawalker.com/mccall-s-cooking-school-recipe-card-main-dishes-28-chili.pdf
    • http://www.gorillawalker.com/principles-of-mathematical-physics-second-edition.pdf
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    • http://www.gorillawalker.com/bedtime-games-ii.pdf
    • http://www.gorillawalker.com/eric-whitacre-collection-7-pieces-satb-a-cappella.pdf
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    • http://www.gorillawalker.com/child-sexual-abuse-inthe-catholic-church-at-issue-series.pdf
    • http://www.gorillawalker.com/code-of-federal-regulations-title-14-aeronautics-and-space-pt.pdf
    • http://www.gorillawalker.com/the-concise-day-skipper-guide-a-study-and-revision-aid.pdf
    • http://www.gorillawalker.com/chinese-food-industry-standard-compilation-of-fruits-vegetables-and-paper.pdf
    • http://www.gorillawalker.com/the-modern-concert-snare-drum-roll.pdf
    • http://www.gorillawalker.com/measuring-outcomes-of-type-2-diabetes-disea
    • 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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