Malicious PDF — malware analysis report

Static analysis result for SHA-256 8038c8a306fc59ba…

MALICIOUS

PDF

43.3 KB Created: 2018-11-23 20:29:25 +03:00 Authoring application: dvips 5.83 (MiKTeX 1.20b) Copyright 1998 Radical Eye Software (via Acrobat Distiller 4.0 for Windows) First seen: 2019-01-11
MD5: ab595c7ffe1e0e85b3909c539ea5bec9 SHA-1: 70cd3c65a8b6c476e7f468ed30aa9ac508aac073 SHA-256: 8038c8a306fc59bab98fa76105d7c925ff817cd99c864a4e22a0b3edb4299c9a
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, primarily hosted on 'gorillawalker.com'. This behavior is indicative of a link farm or SEO manipulation tactic. While no scripts were extracted, the sheer volume of links suggests an attempt to drive traffic or potentially distribute further malicious content disguised as legitimate documents.

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/princess-priestess-poet-the-sumerian-temple-hymns-of-enheduanna-classics.pdf In PDF document text
    • http://www.gorillawalker.com/water-is-key-a-better-future-for-africa.pdfIn PDF document text
    • http://www.gorillawalker.com/creative-chordal-harmony-for-guitar-using-generic-modality-compression.pdfIn PDF document text
    • http://www.gorillawalker.com/rimsky-korsakov-scheherazade-get-to-know-classical-masterpieces.pdfIn PDF document text
    • http://www.gorillawalker.com/shoreen-life-after-earth-volume-3.pdfIn PDF document text
    • http://www.gorillawalker.com/whitehead-s-philosophy-points-of-connection-suny-series-in-constructive.pdfIn PDF document text
    • http://www.gorillawalker.com/the-ring-king-volume-1.pdfIn PDF document text
    • http://www.gorillawalker.com/imagine-inquire-and-create-a-stem-inspired-approach-to-cross.pdfIn PDF document text
    • http://www.gorillawalker.com/teutonic-myth-and-legend.pdfIn PDF document text
    • http://www.gorillawalker.com/visual-impairment-access-to-education-for-children-and-young-people.pdfIn PDF document text
    • http://www.gorillawalker.com/organisation-of-veterinary-services-and-food-safety-seminar-proceedings-tunis.pdfIn PDF document text
    • http://www.gorillawalker.com/into-your-hands-lord-a-catholic-companion-to-dying-and.pdfIn PDF document text
    • http://www.gorillawalker.com/construction-and-wind-tunnel-test-of-a-1-12th-scale.pdfIn PDF document text
    • http://www.gorillawalker.com/moral-maturity-measuring-the-development-of-sociomoral-reflection.pdfIn PDF document text
    • http://www.gorillawalker.com/marine-plants-of-australia.pdfIn PDF document text
    • http://www.gorillawalker.com/introduction-to-clinical-pharmacology-pageburst-e-book-on-vitalsource-retail.pdfIn PDF document text
    • http://www.gorillawalker.com/desafiando-al-imperio-resistencias-de-los-pueblos-gobiernos-y-la.pdfIn PDF document text
    • http://www.gorillawalker.com/the-new-purity-cook-book-the-complete-guide-to-canadian.pdfIn PDF document text
    • http://www.gorillawalker.com/the-lace-makers.pdfIn PDF document text
    • http://www.gorillawalker.com/chilton-s-auto-repair-manual-1964-71.pdfIn PDF document text
    • http://www.gorillawalker.com/gerontology-nurses-lead-the-way-an-article-from-kai-tiaki.pdfIn PDF document text
    • http://www.gorillawalker.com/heart-and-soul-unabridged-audible-audio-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/sugar-mama.pdfIn PDF document text
    • http://www.gorillawalker.com/september-girls.pdfIn PDF document text
    • http://www.gorillawalker.com/artemis-fowl-the-lost-colony-book-5.pdfIn PDF document text
    • http://www.gorillawalker.com/the-little-queen-the-plain-of-crowns-book-1-kindle.pdfIn PDF document text
    • http://www.gorillawalker.com/hermen-utica-la-ciencia-de-la-interpretaci-n-de-la.pdfIn PDF document text
    • http://www.gorillawalker.com/are-you-the-one-for-me-knowing-who-s-right.pdfIn PDF document text
    • http://www.gorillawalker.com/dangerous-snakes-of-australia.pdfIn PDF document text
    • http://www.gorillawalker.com/the-gimlet-plan.pdfIn PDF document text
    • http://www.gorillawalker.com/getting-past-the-affair-a-program-to-help-you-cope.pdfIn PDF document text
    • http://www.gorillawalker.com/new-directions-in-prose-and-poetry-21-v-21.pdfIn PDF document text
    • http://www.gorillawalker.com/urban-legends-mysterious-encounters.pdfIn PDF document text
    • http://www.gorillawalker.com/remission-possible-yours-if-you-choose-to-accept-it.pdfIn PDF document text
    • http://www.gorillawalker.com/yellow-river-piano-concerto-score-misc-edition-eulenburg.pdfIn PDF document text
    • http://www.gorillawalker.com/urania-a-romance-flori-a-pastoral-drama-a-bilingual-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/pursuit-of-justice-call-of-duty.pdfIn PDF document text
    • http://www.gorillawalker.com/death-edge-3-7-teeth-chattering-stories-of-suspense-volume.pdfIn PDF document text
    • http://www.gorillawalker.com/engineering-your-future-comprehensive.pdfIn PDF document text
    • http://www.gorillawalker.com/the-jesuits-a-history-from-ignatius-to-the-present.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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