Malicious PDF — malware analysis report

Static analysis result for SHA-256 39d82acedf8d0b82…

MALICIOUS

PDF

41.1 KB Created: 2018-11-15 18:31:27 +03:00 Authoring application: Word (via Mac OS X 10.10.5 Quartz PDFContext)
MD5: 62092528265bea178fd5950a7030d790 SHA-1: 65a92c7adeedf469e3dc8b16e4aee9c18fe0ba49 SHA-256: 39d82acedf8d0b827d81c026d850be17aae87e5cbaab3c68f7bbd5a3da079c81
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files on the domain www.gorillawalker.com. The document body is heavily obfuscated and does not provide clear textual lures. No scripts were extracted from this sample. The primary attack pattern observed is the creation of a link farm, likely for SEO manipulation or to distribute content indirectly.

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/depoliticising-migration-global-governance-and-international-migration-narratives-mobility-and.pdf
    • http://www.gorillawalker.com/the-riptide-ultra-glide-a-novel-serge-storms.pdf
    • http://www.gorillawalker.com/first-impressions-marc-chagall.pdf
    • http://www.gorillawalker.com/snake-dance-journeys-beneath-a-nuclear-sky.pdf
    • http://www.gorillawalker.com/100-curriculum-vocabulary-grades-6-12.pdf
    • http://www.gorillawalker.com/the-q-sort-in-character-appraisal-encoding-subjective-impressions-of.pdf
    • http://www.gorillawalker.com/hollow-crow.pdf
    • http://www.gorillawalker.com/2015-monthly-planner-vintage-cover-day-planners-organizers-calendars-volume.pdf
    • http://www.gorillawalker.com/cms-previews-medicaid-core-set-of-health-home-quality-measures.pdf
    • http://www.gorillawalker.com/psalms-new-cambridge-bible-commentary-paperback.pdf
    • http://www.gorillawalker.com/caged-super-bolan-87.pdf
    • http://www.gorillawalker.com/making-clocks.pdf
    • http://www.gorillawalker.com/impact-fees-principles-and-practice-of-proportionate-share-development-fees.pdf
    • http://www.gorillawalker.com/la-societ.pdf
    • http://www.gorillawalker.com/yuan-ming-qing-shi-ge-pi-ping-shi-mandarin-chinese.pdf
    • http://www.gorillawalker.com/schola-pietatis-volume-3.pdf
    • http://www.gorillawalker.com/the-quality-of-numbers-1-to-31.pdf
    • http://www.gorillawalker.com/la-silla-de-pedro-peter-s-chair-reading-rainbow-book.pdf
    • http://www.gorillawalker.com/the-blue-elephant-cookbook-royal-thai-cuisine.pdf
    • http://www.gorillawalker.com/silencing-the-past-power-and-the-production-of-history.pdf
    • http://www.gorillawalker.com/how-to-get-control-of-your-time-and-your-life.pdf
    • http://www.gorillawalker.com/your-feelings-friend-or-foe.pdf
    • http://www.gorillawalker.com/dale-earnhardt-jr-sports-heroes-and-legends.pdf
    • http://www.gorillawalker.com/the-history-of-nuclear-power.pdf
    • http://www.gorillawalker.com/admiral-who-a-spineward-sectors-novel-book-1-kindle-edition.pdf
    • http://www.gorillawalker.com/treinta-y-un-secretos-de-una-mujer-inolvidable-spanish-edition.pdf
    • http://www.gorillawalker.com/renal-and-adrenal-tumors-pathology-radiology-ultrasonography-magnetic-resonance-mri.pdf
    • http://www.gorillawalker.com/i-carried-an-angel.pdf
    • http://www.gorillawalker.com/j-s-bach-two-part-inventions-for-two-mandolins.pdf
    • http://www.gorillawalker.com/mind-bogglers-v-3.pdf
    • http://www.gorillawalker.com/your-career-your-way-personal-strategies-to-achieve-your-career.pdf
    • http://www.gorillawalker.com/a-monograph-of-british-graptolites-volume-2-historical-introduction-and.pdf
    • http://www.gorillawalker.com/the-long-walk-the-forced-navajo-exile-landmark-events-in.pdf
    • http://www.gorillawalker.com/colorado-buffaloes-2015-vintage-football-calendar.pdf
    • http://www.gorillawalker.com/das-erbe-der-arverner-volume-1-german-edition.pdf
    • http://www.gorillawalker.com/sleeping-beauty-fairytales-retold.pdf
    • http://www.gorillawalker.com/book-on-casino-craps-other-dice-games-and-gambling-systems.pdf
    • http://www.gorillawalker.com/las-variedades-de-la-experiencia-religiosa-tomo-i-spanish-edition.pdf
    • http://www.gorillawalker.com/the-jumble-book.pdf
    • http://www.gorillawalker.com/innovation-management-and-new-product-development-5th-edition.pdf
    • http://www.gorillawalker.com/2015-monthly-planner-vintage-cover-day-planners-organizers-calendars-volume
    • 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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