Malicious PDF — malware analysis report

Static analysis result for SHA-256 991668eda5dc5351…

MALICIOUS

PDF

41.0 KB Created: 2019-03-17 01:33:38 +03:00 Authoring application: - (via Acrobat Web Capture 8.0)
MD5: 79972991591d9fc78d86b30ae959665e SHA-1: 1082baf01b4d2023d27a0563226290b3bed44605 SHA-256: 991668eda5dc5351b77da83140a4f467a2071c8eb16e9ccaf6715c67d7ead07a
60 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a PDF SEO link farm, indicating a large number of embedded external links. The document body, though heavily obfuscated, contains numerous URLs pointing to PDF files hosted on www.gorillawalker.com. This suggests the primary purpose is to distribute or link to a large volume of content, potentially for SEO manipulation or to lure users into downloading further malicious files.

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/bow-the-dog.pdf
    • http://www.gorillawalker.com/the-new-german-law-of-obligations-historical-and-comparative-perspectives.pdf
    • http://www.gorillawalker.com/la-dieta-vegetariana.pdf
    • http://www.gorillawalker.com/learn-n-more-about-fencing-handbook-guide-for-kids-parents.pdf
    • http://www.gorillawalker.com/the-billionaire-heartbreaker.pdf
    • http://www.gorillawalker.com/mad-minis-the-crazy-world-of-modified-minis.pdf
    • http://www.gorillawalker.com/the-age-of-chivalry-arms-and-uniforms-vol-1.pdf
    • http://www.gorillawalker.com/preces-and-responses-satb-vocal-score-church-music-society-publications.pdf
    • http://www.gorillawalker.com/ssat-isee-vocabulary-3-pocketbook-2015-edition.pdf
    • http://www.gorillawalker.com/philip-s-modern-school-atlas-philip-s-school-atlases.pdf
    • http://www.gorillawalker.com/the-study-of-evangelism-exploring-a-missional-practice-of-the.pdf
    • http://www.gorillawalker.com/vascular-and-interventional-radiology-principles-and-practice.pdf
    • http://www.gorillawalker.com/understanding-conflict-and-conflict-analysis.pdf
    • http://www.gorillawalker.com/dragon-tears.pdf
    • http://www.gorillawalker.com/a-flame-for-the-touch-that-matters.pdf
    • http://www.gorillawalker.com/developing-a-profession-of-librarianship-in-australia.pdf
    • http://www.gorillawalker.com/a-new-look-at-an-old-earth-resolving-the-conflict.pdf
    • http://www.gorillawalker.com/rebirth-a-poetic-journey.pdf
    • http://www.gorillawalker.com/the-hoodoodad.pdf
    • http://www.gorillawalker.com/the-border-guide-living-working-and-investing-across-the-border.pdf
    • http://www.gorillawalker.com/ilts-test-of-academic-proficiency-400-secrets-study-guide-ilts.pdf
    • http://www.gorillawalker.com/almost-perfect-mystery-crime-romantic-thriller-conspiracies-legal-fiction-woman.pdf
    • http://www.gorillawalker.com/animal-histology-and-embryology-experimental-guidance.pdf
    • http://www.gorillawalker.com/il-paese-del-carnevale-italian-edition.pdf
    • http://www.gorillawalker.com/chocolate-and-baking-1000-recipes.pdf
    • http://www.gorillawalker.com/looking-backward-2000-1887-broadview-literary-texts.pdf
    • http://www.gorillawalker.com/anita-blake-vampire-hunter-circus-of-the-damned-book-2.pdf
    • http://www.gorillawalker.com/independent-filmmaking-revised-edition-paperback.pdf
    • http://www.gorillawalker.com/crop-adaptation-to-climate-change.pdf
    • http://www.gorillawalker.com/sister-sarah-s-pick-3-4-winning-tickets-hits-within.pdf
    • http://www.gorillawalker.com/business-research-methods-6e.pdf
    • http://www.gorillawalker.com/interstellarnet-enigma-volume-3.pdf
    • http://www.gorillawalker.com/medical-finals-short-cases-with-structured-answers.pdf
    • http://www.gorillawalker.com/burns-the-origins-of-the-burns-family-and-their-place.pdf
    • http://www.gorillawalker.com/top-100-pro-wrestlers-of-all-time-wrestling-observer-s.pdf
    • http://www.gorillawalker.com/nyc-times-square.pdf
    • http://www.gorillawalker.com/evidence-synthesis-for-decision-making-in-healthcare.pdf
    • http://www.gorillawalker.com/error-correcting-codes-a-mathematical-introduction-chapman-hall-crc-mathematics.pdf
    • http://www.gorillawalker.com/woman-s-guide-to-europe.pdf
    • http://www.gorillawalker.com/aviation-maintenance.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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