Malicious PDF — malware analysis report

Static analysis result for SHA-256 58038b94d6f69e74…

MALICIOUS

PDF

35.9 KB Created: 2019-09-08 11:50:56 +03:00 Authoring application: - (via Acrobat Distiller 2.0 for Macintosh)
MD5: fe2ab3ca1b9b0eb47d20716e7d2456fa SHA-1: 2030ec9847badf3412fdf7bcc122a5d64873c1ef SHA-256: 58038b94d6f69e747fc09e961588efe21f1c793ad87382901e9b54bf75c322a8
60 Risk Score

Malware Insights

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

The PDF file was flagged for containing a large number of external links, a technique often used for SEO manipulation or to distribute malicious content. The document body contains numerous URLs pointing to various PDF files hosted on 'gorillawalker.com'. No scripts were extracted from this sample, limiting further analysis of its behavior. The primary attack pattern appears to be a link farm designed to lure users or distribute further payloads.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4611

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/the-magick-of-dark-root-a-paranormal-fantasy-the-daughters.pdf
    • http://www.gorillawalker.com/by-alfredo-j-artiles-english-language-learners-with-special-education.pdf
    • http://www.gorillawalker.com/routledge-handbook-of-forest-ecology.pdf
    • http://www.gorillawalker.com/chinese-treasure-chest-simplified-characters-volume-1.pdf
    • http://www.gorillawalker.com/foodborne-infections-and-intoxications-fourth-edition-food-science-and-technology.pdf
    • http://www.gorillawalker.com/collapse-v-5-philosophical-research-and-development-the-copernican-imperative.pdf
    • http://www.gorillawalker.com/assassin.pdf
    • http://www.gorillawalker.com/la-prehistoria-the-prehistory-spanish-edition-hardcover.pdf
    • http://www.gorillawalker.com/impossible-the-companion-trilogy-sean-s-pov-impossible-1-5.pdf
    • http://www.gorillawalker.com/yard-sale-500-piece-puzzle-pomegranate-artpiece-puzzle.pdf
    • http://www.gorillawalker.com/el-camino-del-guerrero-spanish-edition.pdf
    • http://www.gorillawalker.com/back-in-keith-county.pdf
    • http://www.gorillawalker.com/how-to-choose-a-university-the-undergraduate-student-s-guide.pdf
    • http://www.gorillawalker.com/pvc-degradation-and-stabilization-third-edition.pdf
    • http://www.gorillawalker.com/jesus-christ-and-mythology.pdf
    • http://www.gorillawalker.com/going-somewhere-soon-collected-stories-drawings.pdf
    • http://www.gorillawalker.com/home-is-where-the-wine-is-making-the-most-of.pdf
    • http://www.gorillawalker.com/the-sexymorphosis-2-the-sexymorphosis-takes-hold.pdf
    • http://www.gorillawalker.com/sikhim-and-bhutan-twenty-one-years-on-the-north-east.pdf
    • http://www.gorillawalker.com/santa-cock-kindle-edition.pdf
    • http://www.gorillawalker.com/narrative-of-the-united-states-expedition-to-the-river-jordan.pdf
    • http://www.gorillawalker.com/translational-research-and-clinical-practice-basic-tools-for-medical-decision.pdf
    • http://www.gorillawalker.com/return-of-the-prodigal-gilvry-the-gilvrys-of-dunross.pdf
    • http://www.gorillawalker.com/taking-a-stand-women-in-politics-and-society.pdf
    • http://www.gorillawalker.com/be-our-guest-perfecting-the-art-of-customer-service-disney.pdf
    • http://www.gorillawalker.com/flat-stomach-6-minute-morning.pdf
    • http://www.gorillawalker.com/yes-yoko-ono.pdf
    • http://www.gorillawalker.com/pal-joey-lyrics-by-lorenz-hart-book-by-john-o.pdf
    • http://www.gorillawalker.com/captured-with-his-pregnant-mate-luna-werewolves-1-siren-publishing.pdf
    • http://www.gorillawalker.com/mental-disorders-essential-issues.pdf
    • http://www.gorillawalker.com/snowboarding-wall-calendar-2002.pdf
    • http://www.gorillawalker.com/before-the-dawn-autobiographical-reflections-by-eugenio-zolli-former-chief.pdf
    • http://www.gorillawalker.com/memphis.pdf
    • http://www.gorillawalker.com/the-bar-exam-is-easy-a-straightforward-guide-on-how.pdf
    • http://www.gorillawalker.com/dream-new-dreams-reimagining-my-life-after-loss.pdf
    • http://www.gorillawalker.com/supporting-children-with-11-pack-supporting-children-with-dyspraxia-and.pdf
    • http://www.gorillawalker.com/elements-of-mathematics-functions-of-a-real-variable-elementary-theory.pdf
    • http://www.gorillawalker.com/advanced-ceramic-coatings-and-interfaces-iii-ceramic-engineering-and-science.pdf
    • http://www.gorillawalker.com/rethinking-international-relations-ernest-r-may-and-the-study-of.pdf
    • http://www.gorillawalker.com/femdom-stories-volume-1-an-erotic-femdom-bundle.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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