Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd79efb948e10537…

MALICIOUS

PDF

43.8 KB Created: 2019-03-17 07:06:48 +03:00 Authoring application: C2 v4.2.0220 build 670 - c2_rendition_config : Techlit_Active (via Acrobat Distiller 10.0.0 (Windows); modified using iText 2.1.7 by 1T3XT)
MD5: 80ba43104c6fe267b8eb783ca26e045c SHA-1: 88f76fa1e3c16a31648b1eb8fdc30dda8b82cd86 SHA-256: cd79efb948e10537c60b191f5a57367743a27fe6fd2b9409aecf8a32477aa187
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links pointing to external PDF documents on the domain www.gorillawalker.com. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute potentially malicious content disguised as legitimate documents. 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/english-in-common-4-workbook.pdf
    • http://www.gorillawalker.com/dogs-all-about-pets-paperback.pdf
    • http://www.gorillawalker.com/beatrice-the-untold-story-of-a-legendary-woman-of-mystery.pdf
    • http://www.gorillawalker.com/reclaiming-the-american-west.pdf
    • http://www.gorillawalker.com/slow-cooker-recipes-10-ingredients-or-less-and-gluten-free.pdf
    • http://www.gorillawalker.com/marvelous-mandalas-coloring-book-double-pack-volumes-3-4-art.pdf
    • http://www.gorillawalker.com/wordsmithy-hot-tips-for-the-writing-life.pdf
    • http://www.gorillawalker.com/calm-down-time-toddler-tools.pdf
    • http://www.gorillawalker.com/top-50-lisbon-city-guide-book-and-map.pdf
    • http://www.gorillawalker.com/perspectives-on-the-caribbean-a-reader-in-culture-history-and.pdf
    • http://www.gorillawalker.com/magill-s-encyclopedia-of-science-animal-life.pdf
    • http://www.gorillawalker.com/redemption-savage-souls-book-5.pdf
    • http://www.gorillawalker.com/court-martial-of-the-bounty-mutineers-kindle-edition.pdf
    • http://www.gorillawalker.com/metaphilosophy-and-free-will.pdf
    • http://www.gorillawalker.com/numerical-analysis-of-semiconductor-devices-and-integrated-circuits-8th-nasecode.pdf
    • http://www.gorillawalker.com/afghanistan-alone-unafraid.pdf
    • http://www.gorillawalker.com/research-methods-and-statistics-for-business.pdf
    • http://www.gorillawalker.com/jambo-kenya-which-being-roughly-translated-means-hello-kenya.pdf
    • http://www.gorillawalker.com/ottawa-food-a-hungry-capital.pdf
    • http://www.gorillawalker.com/d-phillips-s-longman-preparation-course-for-the-toefl-test.pdf
    • http://www.gorillawalker.com/hannah-s-joy-a-short-amish-love-story-havenburg-short.pdf
    • http://www.gorillawalker.com/c-cteles-180-recetas-con-deliciosos-maridajes-de-comidas-spanish.pdf
    • http://www.gorillawalker.com/lonely-planet-southwest-usa-s-best-trips-travel-guide.pdf
    • http://www.gorillawalker.com/sacred-flames.pdf
    • http://www.gorillawalker.com/el-pacto-ambiguo-de-la-novela-autobiografica-a-la-autoficcion.pdf
    • http://www.gorillawalker.com/building-a-green-economy-perspectives-from-ecological-economics.pdf
    • http://www.gorillawalker.com/ready-to-go-bbb-8-x-8-create-treasure-c.pdf
    • http://www.gorillawalker.com/ninos-hiperactivos-taking-charge-of-adhd-guias-para-padres-parent.pdf
    • http://www.gorillawalker.com/best-birthday-party-game-book-the.pdf
    • http://www.gorillawalker.com/structuring-drama-work-a-handbook-of-available-forms-in-theatre.pdf
    • http://www.gorillawalker.com/limitless-leadership-that-endures.pdf
    • http://www.gorillawalker.com/bibliography-of-the-history-of-medicine-of-the-united-states.pdf
    • http://www.gorillawalker.com/fifties-chix-travel-to-tomorrow-book-1.pdf
    • http://www.gorillawalker.com/campground-awakening.pdf
    • http://www.gorillawalker.com/boarding-time-a-psychiatry-candidate-s-guide-to-part-ii.pdf
    • http://www.gorillawalker.com/latino-read-aloud-stories.pdf
    • http://www.gorillawalker.com/international-bibliography-on-teacher-education-special-studies-in-comparative-education.pdf
    • http://www.gorillawalker.com/programmed-to-kill-the-politics-of-serial-murder.pdf
    • http://www.gorillawalker.com/the-aesthetic-state-a-quest-in-modern-german-thought.pdf
    • http://www.gorillawalker.com/a-hard-day-s-write-the-stories-behind-every-beatles.pdf
    • http://www.gorillawalker.com/wordsmithy-hot-tips-for-the-writing-lif
    • 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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