Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ea1c4df1fe20530…

MALICIOUS

PDF

42.7 KB Created: 2019-04-07 18:03:35 +03:00 Authoring application: Documill Publishor 6.3.9.1 by Documill (http://www.documill.com/) (via iText 2.1.6 by 1T3XT)
MD5: 753f090b8e016f0f0d83edf74fa3e0b7 SHA-1: 84eace1eeb7da4c346163c84ec4909e84565afb6 SHA-256: 2ea1c4df1fe20530537c1894dc874dd7e6760f42d6ae064b44843e7fe3d21aaa
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious payloads. The ML classifier also flagged this document as malicious with high confidence. No scripts were extracted, and the document body was heavily obfuscated, making it difficult to determine the exact nature of the lure.

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/moose-s-big-idea-moose-and-hildy.pdf
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    • http://www.gorillawalker.com/the-teachings-of-abraham-book-collection-hardcover-boxed-set.pdf
    • http://www.gorillawalker.com/basic-nursing-assistant-clinical-nursing-assistant.pdf
    • http://www.gorillawalker.com/fodor-s-florence-s-25-best-6th-edition.pdf
    • http://www.gorillawalker.com/loose-leaf-for-international-business-10e.pdf
    • http://www.gorillawalker.com/the-kinky-path.pdf
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    • http://www.gorillawalker.com/success-secrets-to-maximize-business-in-united-arab-emirates-culture.pdf
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    • http://www.gorillawalker.com/american-history-told-by-contemporaries-v4-welding-of-the-nation.pdf
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    • http://www.gorillawalker.com/the-henry-vi-plays-shakespeare-in-performance-mup.pdf
    • http://www.gorillawalker.com/modern-iran-since-1921-the-pahlavis-and-after.pdf
    • http://www.gorillawalker.com/journey-to-the-lost-temple-puzzle-adventure.pdf
    • http://www.gorillawalker.com/how-to-draw-portraits-in-colored-pencil-from-photographs.pdf
    • http://www.gorillawalker.com/shorter-science-and-civilisation-in-china-volume-3.pdf
    • http://www.gorillawalker.com/application-of-the-optimized-effective-potential-method-to-quantum-chemistry.pdf
    • http://www.gorillawalker.com/atlas-cnetral-and-south-africa-geography-packet-number-7-for.pdf
    • http://www.gorillawalker.com/black-rebellion-five-slave-revolts.pdf
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    • http://www.gorillawalker.com/theory-practice-of-treasury-risk-management-in-banks.pdf
    • http://www.gorillawalker.com/the-little-green-book-of-gardening-250-tips-for-an.pdf
    • http://www.gorillawalker.com/dadabhai-naoroji-selected-private-papers.pdf
    • http://www.gorillawalker.com/karama-journeys-through-the-arab-spring.pdf
    • http://www.gorillawalker.com/death-by-theory-a-tale-of-mystery-and-archaeological-theory.pdf
    • http://www.gorillawalker.com/corsica-north-corse-france-bastia-corte-1-100-000-hiking.pdf
    • http://www.gorillawalker.com/music-for-the-end-of-time.pdf
    • http://www.gorillawalker.com/borderline-personality-disorder-new-perspectives-on-a-stigmatizing-and-overused.pdf
    • http://www.gorillawalker.com/agricultural-trade-principles-and-policies.pdf
    • http://www.gorillawalker.com/a-bookmarked-death-a-delhi-laine-mystery-delhi-laine-mysteries.pdf
    • http://www.gorillawalker.com/eating-to-lose-weight-scotia-unveils-fat-that-helps-consumers.pdf
    • http://www.gorillawalker.com/the-abwehr-german-military-intelligence-in-world-war-two.pdf
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    • http://www.gorillawalker.com/morning-of-the-rising-sun-the-heroic-story-of-the.pdf
    • http://www.gorillawalker.com/open-spaces-voices-from-the-northwest.pdf
    • http://www.gorillawalker.com/the-great-american-chocolate-contest-cookbook-150-of-the-best.pdf
    • http://www.documill.com/
    • 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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