Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccadb4305ab7be45…

MALICIOUS

PDF

43.3 KB Created: 2018-11-14 08:38:15 +03:00 Authoring application: Apache FOP Version 2.1
MD5: a651b0f1e93b6cab1c83d76d15beb2ea SHA-1: 5f8fa32a6a76c769b4abe100782c8c401065e673 SHA-256: ccadb4305ab7be45610fc6b891f5b54b9339ed0e68f49dcf425c85f09e951106
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external websites, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged the document as malicious. The document body is heavily obfuscated and does not provide clear textual lures, but the sheer volume of links suggests a malicious intent, possibly for SEO manipulation or to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8452

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-waterfront-vancouver-walking-guides.pdf
    • http://www.gorillawalker.com/the-gilmore-girls-companion-hardback.pdf
    • http://www.gorillawalker.com/the-bond-fund-advisor-understanding-the-risks-and-rewards.pdf
    • http://www.gorillawalker.com/more-than-his-god-card-what-jesus-wants-you-to.pdf
    • http://www.gorillawalker.com/bauxites-volume-1-developments-in-soil-science.pdf
    • http://www.gorillawalker.com/tempting-bigfoot-a-monster-erotica-quickie.pdf
    • http://www.gorillawalker.com/churchyard-shadows.pdf
    • http://www.gorillawalker.com/ghost-thunderbolt-and-wizard-mosby-morgan-and-forrest-in-the.pdf
    • http://www.gorillawalker.com/the-last-expedition-stanley-s-mad-journey-through-the-congo.pdf
    • http://www.gorillawalker.com/cage-of-eden-14.pdf
    • http://www.gorillawalker.com/wholeness-or-transcendence-ancient-lessons-for-the-emerging-global-civilization.pdf
    • http://www.gorillawalker.com/college-success-your-college-survival-tools.pdf
    • http://www.gorillawalker.com/fooled-by-randomness-the-hidden-role-of-chance-in-life.pdf
    • http://www.gorillawalker.com/tresors-du-temps-niveau-avance-french-and-english-edition.pdf
    • http://www.gorillawalker.com/passion-serena-s-submission-book-3.pdf
    • http://www.gorillawalker.com/vodnik-po-mariborski-okolici-kulturni-in-naravni-spomeniki-slovenije-slovene.pdf
    • http://www.gorillawalker.com/the-yeast-syndrome.pdf
    • http://www.gorillawalker.com/the-fast-track-to-your-technician-class-ham-radio-license.pdf
    • http://www.gorillawalker.com/extreme-sports-the-xtreme-world-of-billy-kool-s.pdf
    • http://www.gorillawalker.com/the-everything-kids-magical-science-experiments-book-dazzle-your-friends.pdf
    • http://www.gorillawalker.com/walking-for-weight-loss-the-6-week-fat-elimination-plan.pdf
    • http://www.gorillawalker.com/around-the-world-in-21-plays-theatre-for-young-audiences.pdf
    • http://www.gorillawalker.com/unspeakable-some-secrets-will-haunt-you.pdf
    • http://www.gorillawalker.com/colonialism-key-concepts-in-american-history.pdf
    • http://www.gorillawalker.com/air-science-alive.pdf
    • http://www.gorillawalker.com/hardens-london-restaurants-2016.pdf
    • http://www.gorillawalker.com/to-wake-the-living-the-time-stone-trilogy-volume-2.pdf
    • http://www.gorillawalker.com/reformed-mission-in-an-age-of-world-christianity.pdf
    • http://www.gorillawalker.com/spell-of-the-highlander-the-highlander-series-book-7.pdf
    • http://www.gorillawalker.com/the-concord-review-women-s-history-issue-readers-series.pdf
    • http://www.gorillawalker.com/tibet-a-history.pdf
    • http://www.gorillawalker.com/evil-in-amsterdam-nancy-drew-hardy-boys-super-mysteries-17.pdf
    • http://www.gorillawalker.com/cispr-18-2-ed-1-0-b-1986-radio-interference.pdf
    • http://www.gorillawalker.com/pediatrics-pocketcard-set.pdf
    • http://www.gorillawalker.com/hoodoo-medicine-gullah-herbal-remedies-revised-edition.pdf
    • http://www.gorillawalker.com/piano-concerto-k453-g-major-study-score-edition-eulenburg.pdf
    • http://www.gorillawalker.com/the-reception-of-baptized-christians-a-history-and-evaluation-forum.pdf
    • http://www.gorillawalker.com/biomechanics-in-sport-performance-enhancement-and-injury-prevention-the-encyclopaedia.pdf
    • http://www.gorillawalker.com/german-first-year-german-edition.pdf
    • http://www.gorillawalker.com/pixie-s-astounding-lenormand.pdf
    • http://www.gorillawalker.com/tempting-b
    • 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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