Malicious PDF — malware analysis report

Static analysis result for SHA-256 6722f5af3739ca02…

MALICIOUS

PDF

34.2 KB Created: 2019-05-24 00:41:42 +03:00 Authoring application: Adobe Acrobat 6.02 (via Adobe Acrobat 6.0)
MD5: b697caca89b7f5881064be898dcba7af SHA-1: 205ac002a96564208f62f26905366a3f03beb048 SHA-256: 6722f5af3739ca025091accb86249e45dd12da2c75887ca30eb6c435039d517b
112 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the structure and embedded links suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8261

Heuristics 3

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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/cancer-on-five-dollars-a-day-chemo-not-included-how.pdf
    • http://www.gorillawalker.com/make-peace-with-your-plate.pdf
    • http://www.gorillawalker.com/coffee-break-french-15-lessons-71-75-learn-french-in.pdf
    • http://www.gorillawalker.com/ravenwood-school-for-sissies-a-collection-of-short-stories-book.pdf
    • http://www.gorillawalker.com/free-play-improvisation-in-life-and-art.pdf
    • http://www.gorillawalker.com/getting-them-sober-volume-3.pdf
    • http://www.gorillawalker.com/brs-biochemistry-and-molecular-biology-fourth-edition-board-review-series.pdf
    • http://www.gorillawalker.com/memoirs-of-a-sword-swallower.pdf
    • http://www.gorillawalker.com/diana-style-foreword-by-manolo-blahnik.pdf
    • http://www.gorillawalker.com/the-vivaxis-connection-healing-through-earth-energies.pdf
    • http://www.gorillawalker.com/private-equity-als-finanzierungsform-von-immobilien-projektentwicklungen-german-edition.pdf
    • http://www.gorillawalker.com/viagra-and-the-quest-for-potency.pdf
    • http://www.gorillawalker.com/folding-napkins.pdf
    • http://www.gorillawalker.com/fatigue-and-stress-corrosion-guidelines.pdf
    • http://www.gorillawalker.com/the-catch-travel-team.pdf
    • http://www.gorillawalker.com/the-dog-that-pitched-a-no-hitter-matt-christopher-sports.pdf
    • http://www.gorillawalker.com/dictionary-of-computer-terms-21st-century-reference.pdf
    • http://www.gorillawalker.com/dividing-workshop-practice.pdf
    • http://www.gorillawalker.com/relationships-the-ultimate-guide-to-better-relationships-communication-in-relationships.pdf
    • http://www.gorillawalker.com/guide-to-storage-tanks-and-equipment.pdf
    • http://www.gorillawalker.com/modern-american-english-series-1-new-edition.pdf
    • http://www.gorillawalker.com/fun-and-games-with-the-recorder-ensemble-collection-36-pieces.pdf
    • http://www.gorillawalker.com/teatime.pdf
    • http://www.gorillawalker.com/whitman-among-the-bohemians-iowa-whitman-series.pdf
    • http://www.gorillawalker.com/historical-polychromy-polychrome-sculpture-in-germany-and-japan.pdf
    • http://www.gorillawalker.com/norma-kent-of-the-wacs.pdf
    • http://www.gorillawalker.com/goldfinger-trigger-mortis-edition.pdf
    • http://www.gorillawalker.com/witness-to-history-the-memoirs-of-mauno-koivisto-president-of.pdf
    • http://www.gorillawalker.com/home-with-a-heart.pdf
    • http://www.gorillawalker.com/emergency-care-and-transportation-of-the-sick-and-injured-advantage.pdf
    • http://www.gorillawalker.com/pocket-posh-sudoku-27-100-puzzles.pdf
    • http://www.gorillawalker.com/recycling-hardcover-think-green.pdf
    • http://www.gorillawalker.com/the-whiplash-encyclopedia-the-facts-and-myths-of-whiplash.pdf
    • http://www.gorillawalker.com/the-student-life-jacket-the-easy-to-use-organizer-and.pdf
    • http://www.gorillawalker.com/the-end-of-copycat-china-the-rise-of-creativity-innovation.pdf
    • http://www.gorillawalker.com/jorge-pardo-what-does-this-object-do.pdf
    • http://www.gorillawalker.com/gear-materials-properties-and-manufacture.pdf
    • http://www.gorillawalker.com/reverse-your-diabetes-diet-the-new-eating-plan-to-take.pdf
    • http://www.gorillawalker.com/internet-security-security-privacy-on-laptops-smartphones-tablets.pdf
    • http://www.gorillawalker.com/iec-60107-5-ed-1-1-b-1999-recommended-methods.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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