Malicious PDF — malware analysis report

Static analysis result for SHA-256 f5e853e25c0f00f0…

MALICIOUS

PDF

34.0 KB Created: 2019-12-14 02:37:48 +03:00 Authoring application: - (via PDFlib Personalization Server 5.0.1 (COM/Win32) unlicensed)
MD5: 8a0e0c4af921d1d90e9db2a518fb70c2 SHA-1: abfe594809655de06a11bec99dc8b8ad23af2d6b SHA-256: f5e853e25c0f00f08b678b2672ae35dc9183e88b8b7f6f795e2a9427e531c0d4
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded URLs pointing to the same domain, www.gorillawalker.com. This is indicative of a link farm, a common technique used to manipulate search engine rankings or to distribute malicious content. The heuristic 'PDF_SEO_LINK_FARM' strongly suggests this malicious intent. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

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/modulated-entry-nasa-technical-note.pdf
    • http://www.gorillawalker.com/ed-came-bien-raice-me-well-100-respuestas-para-madres.pdf
    • http://www.gorillawalker.com/tribal-warfare-in-organizations-turning-tribal-conflict-into-negotiated-peace.pdf
    • http://www.gorillawalker.com/knight-s-curse-luna-books.pdf
    • http://www.gorillawalker.com/casserole-recipes-second-edition-50-ways-series.pdf
    • http://www.gorillawalker.com/tall-ships-of-the-21st-century-2003-calendar.pdf
    • http://www.gorillawalker.com/the-role-and-status-of-international-humanitarian-volunteers-and-organizations.pdf
    • http://www.gorillawalker.com/breaking-the-code-two-teens-reveal-the-secrets-to-better.pdf
    • http://www.gorillawalker.com/holt-science-technology-california-california-pupil-s-edition-life-science.pdf
    • http://www.gorillawalker.com/distributed-sensor-networks-chapman-hall-crc-computer-and-information-science.pdf
    • http://www.gorillawalker.com/puppet-3-cookbook.pdf
    • http://www.gorillawalker.com/elsie-de-wolfe-the-birth-of-modern-interior-decoration.pdf
    • http://www.gorillawalker.com/1200-questions-to-help-you-pass-the-emergency-medicine-boards.pdf
    • http://www.gorillawalker.com/a-complete-literary-guide-to-the-bible.pdf
    • http://www.gorillawalker.com/how-to-make-a-foot-operated-workshop-drill-workshop-equipment.pdf
    • http://www.gorillawalker.com/uneversaurus.pdf
    • http://www.gorillawalker.com/glory-muzik-chronicles-uxel-herum-saga-book-4-kindle-edition.pdf
    • http://www.gorillawalker.com/exigency.pdf
    • http://www.gorillawalker.com/the-pillsbury-cookbook-the-all-purpose-companion-for-today-s.pdf
    • http://www.gorillawalker.com/mother-goose-illustrated-the-original-volland-edition.pdf
    • http://www.gorillawalker.com/joseph-study-guide-with-dvd-waiting-on-god-s-timing.pdf
    • http://www.gorillawalker.com/the-daily-telegraph-big-book-of-cryptic-crosswords-4.pdf
    • http://www.gorillawalker.com/religion-reason-and-truth-historical-essays-in-the-philosophy-of.pdf
    • http://www.gorillawalker.com/kayas-escape-hc-book-american-girl.pdf
    • http://www.gorillawalker.com/what-s-love-without-loyalty-kindle-edition.pdf
    • http://www.gorillawalker.com/state-and-religion-in-china.pdf
    • http://www.gorillawalker.com/pirates-the-midnight-passage.pdf
    • http://www.gorillawalker.com/staying-human-during-residency-training-how-to-survive-and-thrive.pdf
    • http://www.gorillawalker.com/comptes-nationaux-des-pays-de-l-ocde-comptes-de-patrimoine.pdf
    • http://www.gorillawalker.com/design-of-cost-management-systems-2nd-edition.pdf
    • http://www.gorillawalker.com/how-starbucks-saved-my-life-a-son-of-privilege-learns.pdf
    • http://www.gorillawalker.com/2009-planetary-calendar-pockect-sized.pdf
    • http://www.gorillawalker.com/adivinanzas-de-animales-animal-riddles-aprendo-con-adivinanzas-learning-with.pdf
    • http://www.gorillawalker.com/squirrel-nutkin-rafting-to-owl-island-beatrix-potter-100-page.pdf
    • http://www.gorillawalker.com/rosie-and-mrs-america-perceptions-of-women-in-the-1930s.pdf
    • http://www.gorillawalker.com/staging-stigma-a-critical-examination-of-the-american-freak-show.pdf
    • http://www.gorillawalker.com/spice-mixes-an-in-depth-guide-to-making-your-own.pdf
    • http://www.gorillawalker.com/design-of-rotating-electrical-machines.pdf
    • http://www.gorillawalker.com/huntress-crossbow-at-the-crossroads.pdf
    • http://www.gorillawalker.com/gowen-field-images-of-aviation-idaho.pdf
    • http://www.gorillawalker.com/holt-science-technology-california-california-pupil-s-edition-
    • 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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