Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c336f517dd1bb06…

MALICIOUS

PDF

42.5 KB Created: 2019-03-17 08:09:40 +03:00 Authoring application: Microsoft Word (via Acrobat PDFWriter 3.0f1r8 for Power Macintosh)
MD5: 563d96feedcddb52c9aaf7460262df4b SHA-1: eca7846034533f7f7a83958dd91a1d5adfd13aee SHA-256: 0c336f517dd1bb06025f9ad5babcb46d2118b1793104115b6aa7e7c3875a321c
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. This suggests the document is designed to manipulate search engine results or redirect users to potentially malicious content hosted on the 'gorillawalker.com' domain. ClamAV also detected this file as Pdf.Dropper.Agent-7079749-0, further confirming its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9181

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-7079749-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7079749-0
  • 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/los-hombres-a-veces-por-desgracia-siempre-vuelven-spanish-edition.pdf
    • http://www.gorillawalker.com/la-guerra-de-los-dioses-y-los-hombres-cronicas-de.pdf
    • http://www.gorillawalker.com/cracking-the-sat-with-5-practice-tests-2014-edition.pdf
    • http://www.gorillawalker.com/cervical-cancer-a-guide-for-nurses.pdf
    • http://www.gorillawalker.com/pioneer-notes-from-the-diaries-of-judge-benjamin-hayes-1849.pdf
    • http://www.gorillawalker.com/the-emotional-organization-passions-and-power.pdf
    • http://www.gorillawalker.com/otology-neurotology-and-skull-base-surgery-clinical-reference-guide.pdf
    • http://www.gorillawalker.com/the-toy-box-kindle-edition.pdf
    • http://www.gorillawalker.com/bibliodrama-manual-how-to-make-the-bible-stories-come-alive.pdf
    • http://www.gorillawalker.com/drop-dead-healthy-one-man-s-humble-quest-for-bodily.pdf
    • http://www.gorillawalker.com/building-the-panama-canal-perspectives-on-modern-world-history.pdf
    • http://www.gorillawalker.com/datura-kindle-edition.pdf
    • http://www.gorillawalker.com/mount-lebanon.pdf
    • http://www.gorillawalker.com/euthanasia-assisted-suicide-positioning-the-debate.pdf
    • http://www.gorillawalker.com/running-after-40-a-complete-guide-to-enjoying-running-walking.pdf
    • http://www.gorillawalker.com/fatal-exchange-a-novel-southern-crimes-volume-2.pdf
    • http://www.gorillawalker.com/crucible-of-struggle-a-history-of-mexican-americans-from-the.pdf
    • http://www.gorillawalker.com/hearts-in-darkness-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/abel-flotenkonzert-no-1-c-dur-flute-concerto-full-score.pdf
    • http://www.gorillawalker.com/the-chilterns-and-west-anglia-bus-handbook-bus-handbooks.pdf
    • http://www.gorillawalker.com/the-holy-land-pocket-edition-an-illustrated-guide-to-its.pdf
    • http://www.gorillawalker.com/sachin-born-to-bat.pdf
    • http://www.gorillawalker.com/what-i-learned-in-medical-school-personal-stories-of-young.pdf
    • http://www.gorillawalker.com/a-ascens-o-da-sombra-a-roda-do-tempo-livro.pdf
    • http://www.gorillawalker.com/an-overview-of-the-structure-and-magnetism-of-spinel-ferrite.pdf
    • http://www.gorillawalker.com/venice-the-veneto-eyewitness-travel-guide.pdf
    • http://www.gorillawalker.com/queen-s-harvest-dungeons-dragons-module-b12-paperback.pdf
    • http://www.gorillawalker.com/a-comprehensive-book-of-ayurvedic-medicine-for-general-practitioners.pdf
    • http://www.gorillawalker.com/the-nordic-secrets-for-perfect-health-scandinavian-rxs-for-health.pdf
    • http://www.gorillawalker.com/the-complete-works-of-shakespeare-7th-edition.pdf
    • http://www.gorillawalker.com/tom-brokaw-the-inspirational-life-story-of-tom-brokaw-pioneer.pdf
    • http://www.gorillawalker.com/postpartum-depression-cure-the-self-help-guide-to-overcome-depression.pdf
    • http://www.gorillawalker.com/just-take-it.pdf
    • http://www.gorillawalker.com/stories-of-fatherhood-everyman-s-library-pocket-classics.pdf
    • http://www.gorillawalker.com/homework-biology.pdf
    • http://www.gorillawalker.com/my-toddler-talks-strategies-and-activities-to-promote-your-child.pdf
    • http://www.gorillawalker.com/william-maxwell-a-literary-life.pdf
    • http://www.gorillawalker.com/the-insider-s-guide-instant-win-tickets-pulltabs-how-to.pdf
    • http://www.gorillawalker.com/tolley-s-gas-service-technology-set-tolley-s-domestic-gas.pdf
    • http://www.gorillawalker.com/the-long-waves-in-economic-life.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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