Malicious PDF — malware analysis report

Static analysis result for SHA-256 1a435973d5fe06b3…

MALICIOUS

PDF

47.3 KB Created: 2018-11-30 20:56:41 +03:00 Authoring application: FrameMaker 8.0 (via Acrobat Distiller 10.0.1 (Windows)) First seen: 2019-01-12
MD5: a6899e2433b9d0c2970cc791b76eb5f3 SHA-1: 8540ec6cf666e5642d4d68d413169d308dc09405 SHA-256: 1a435973d5fe06b34f3201d01b27b80f980e39ddeedec8c91b861702d1b32217
92 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains an embedded URI pointing to a suspicious external URL, which is a common technique for delivering malicious content. The ML classifier also flagged this PDF as malicious. The document body is heavily obfuscated and does not provide clear textual clues, but the presence of the external URL strongly suggests a download lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8518

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/2013-a-i-horses-grid-calendar.pdf In PDF document text
    • http://www.gorillawalker.com/how-to-make-great-radio-techniques-and-tips-for-today.pdfIn PDF document text
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    • http://www.gorillawalker.com/welcome-inn-volume-iii-haunted-inns-restaurants-and-museums-spirits.pdfIn PDF document text
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    • http://www.gorillawalker.com/the-creed-of-buddha-extended-annotated-edition-kindle-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/theory-of-x-ray-and-thermal-neutron-scattering-by-real.pdfIn PDF document text
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    • http://www.gorillawalker.com/democracy-without-consensus-communalism-and-political-stability-in-malaysia-princeton.pdfIn PDF document text
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    • http://www.gorillawalker.com/totally-tough-brainteasers.pdfIn PDF document text
    • http://www.gorillawalker.com/alfred-hitchcock-s-rolling-gravestones-by-alfred-hitchcock-ed.pdfIn PDF document text
    • http://www.gorillawalker.com/primate-aggression-territoriality-and-xenophobia-a-comparative-perspective.pdfIn PDF document text
    • http://www.gorillawalker.com/games-for-change-group-activities-with-creative-spritual-concepts-on.pdfIn PDF document text
    • http://www.gorillawalker.com/the-nutcracker-ballet-op-71-full-score-a8898.pdfIn PDF document text
    • http://www.gorillawalker.com/organic-coatings-proceedings-of-the-53rd-international-meeting-of-physical.pdfIn PDF document text
    • http://www.gorillawalker.com/take-your-time-piano-vocal.pdfIn PDF document text
    • http://www.gorillawalker.com/rodeo-rider-saddle-club-r.pdfIn PDF document text
    • http://www.gorillawalker.com/metodologia-de-la-ensenanza-de-la-vela-spanish-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/the-2009-2014-world-outlook-for-air-and-gas-compressors.pdfIn PDF document text
    • http://www.gorillawalker.com/bali-brothers-great-unproduced-film-scripts-tm.pdfIn PDF document text
    • http://www.gorillawalker.com/divorce-dirty-tricks.pdfIn PDF document text
    • http://www.gorillawalker.com/essentials-of-positioning-and-location-technology-the-cambridge-wireless-essentials.pdfIn PDF document text
    • http://www.gorillawalker.com/childhood-deafness-a-guide-for-students.pdfIn PDF document text
    • http://www.gorillawalker.com/russische-ansichten-ansichten-von-russland-festschrift-f-r-hugo-dyserinck.pdfIn PDF document text
    • http://www.gorillawalker.com/tv-tunes-for-easy-guitar.pdfIn PDF document text
    • http://www.gorillawalker.com/the-rainbow-s-promise-saba-s-stories-book-1-kindle.pdfIn PDF document text
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    • http://www.gorillawalker.com/jeremiah-s-scribes-creating-sermon-literature-in-puritan-new-england.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://www.aiim.org/pdfa/ns/extension/In PDF document text
    • http://www.aiim.org/pdfa/ns/schema#In PDF document text
    • http://www.aiim.org/pdfa/ns/property#In PDF document text
    • http://www.aiim.org/pdfa/ns/id/In PDF document text

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