Malicious PDF — malware analysis report

Static analysis result for SHA-256 6031b59c9959cf19…

MALICIOUS

PDF

42.1 KB Created: 2019-03-18 10:08:41 +03:00 Authoring application: dvips 5.83 (MiKTeX 1.20b) Copyright 1998 Radical Eye Software (via Acrobat Distiller 4.0 for Windows)
MD5: ba6f0ba546b984c58bb5267964706ee9 SHA-1: d2b2d271232f4aa1f2f2d1a3e315024ee02be5df SHA-256: 6031b59c9959cf19ff4bf1835ab3a115f14112a330d96a4932b1e74404acc97e
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged the document as malicious. The primary attack pattern appears to be the distribution of these links, potentially for SEO manipulation or to direct users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9181

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/drug-war-mexico-politics-neoliberalism-and-violence-in-the-new.pdf
    • http://www.gorillawalker.com/teen-health-course-3-activities-enrichment.pdf
    • http://www.gorillawalker.com/eel-on-reef-black-goat.pdf
    • http://www.gorillawalker.com/good-value.pdf
    • http://www.gorillawalker.com/kill-the-dead-a-sandman-slim-novel.pdf
    • http://www.gorillawalker.com/why-macrobiotics-is-my-favorite-big-word.pdf
    • http://www.gorillawalker.com/transforming-mission-paradigm-shifts-in-theology-of-mission-american-society.pdf
    • http://www.gorillawalker.com/cracking-the-ad-code.pdf
    • http://www.gorillawalker.com/kyoto-nara-the-soul-of-japan.pdf
    • http://www.gorillawalker.com/writing-skills-ii.pdf
    • http://www.gorillawalker.com/greek-gods-bearing-gifts-titan-pawn-kindle-edition.pdf
    • http://www.gorillawalker.com/l-pouse-du-viking-les-historiques-french-edition.pdf
    • http://www.gorillawalker.com/sunset-summer-confidential.pdf
    • http://www.gorillawalker.com/postcolonial-piracy-media-distribution-and-cultural-production-in-the-global.pdf
    • http://www.gorillawalker.com/medicine-in-mexico-from-aztec-herbs-to-betatrons-texas-pan.pdf
    • http://www.gorillawalker.com/the-complete-ring-trilogy-ring-spiral-loop.pdf
    • http://www.gorillawalker.com/lord-of-the-grrr-s-a-10-book-paranormal-shifter.pdf
    • http://www.gorillawalker.com/the-limitless-city-a-primer-on-the-urban-sprawl-debate.pdf
    • http://www.gorillawalker.com/i-want-to-be-a-singer-and-a-veterinarian-lainey.pdf
    • http://www.gorillawalker.com/argentina-legend-and-history.pdf
    • http://www.gorillawalker.com/alternative-lithographic-technologies-vii-proceedings-of-spie.pdf
    • http://www.gorillawalker.com/long-distance-hiking.pdf
    • http://www.gorillawalker.com/30-days-math-division-series-4-digit-dividends-2-digit.pdf
    • http://www.gorillawalker.com/the-incipience-of-the-cosmos.pdf
    • http://www.gorillawalker.com/the-official-guide-to-jazz-dancing-allen-dow-with-mike.pdf
    • http://www.gorillawalker.com/sexual-orientation-and-rights-the-international-library-of-essays-on.pdf
    • http://www.gorillawalker.com/men-and-events-historical-essays.pdf
    • http://www.gorillawalker.com/genocide-world-issues.pdf
    • http://www.gorillawalker.com/how-to-build-a-speech-recognition-application-second-edition-a.pdf
    • http://www.gorillawalker.com/never-cry-arp-and-other-great-adventures.pdf
    • http://www.gorillawalker.com/the-complete-encyclopedia-of-fossils-a-comprehensive-guide-to-fossils.pdf
    • http://www.gorillawalker.com/the-graphic-canon-vol-1-from-the-epic-of-gilgamesh.pdf
    • http://www.gorillawalker.com/editions-alecto-original-graphics-multiple-originals-1960-1981.pdf
    • http://www.gorillawalker.com/everything-at-last-a-magnolia-beach-novel.pdf
    • http://www.gorillawalker.com/immersionplus-german-with-listening-guide-german-edition.pdf
    • http://www.gorillawalker.com/the-eagle-of-the-ninth.pdf
    • http://www.gorillawalker.com/should-a-christian-be-a-mason-kindle-edition.pdf
    • http://www.gorillawalker.com/andy-griffith-just-as-i-am-30-favorite-old-time.pdf
    • http://www.gorillawalker.com/the-next-evolution-of-marketing-connect-with-your-customers-by.pdf
    • http://www.gorillawalker.com/the-new-leviathan-how-the-left-wing-money-machine-shapes.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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