Malicious PDF — malware analysis report

Static analysis result for SHA-256 98bf9637a313d4fc…

MALICIOUS

PDF

42.9 KB Created: 2018-11-14 11:20:58 +03:00 Authoring application: dvips(k) 5.96 Copyright 2005 Radical Eye Software (via GPL Ghostscript 8.57)
MD5: fceba34a8caeadcdd0f810864e9f88fc SHA-1: 1fbb9823598ee96f9988af51219880f67520f362 SHA-256: 98bf9637a313d4fc7803b14550fb977c07c5ef6cd97e995990fb2ab602b576a9
90 Risk Score

Malware Insights

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

The PDF contains a significant number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged the document as malicious with high confidence. The primary purpose appears to be to redirect users to various external URLs, potentially for SEO spam or to host malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9027

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/after-stroke-enhancing-quality-of-life.pdf
    • http://www.gorillawalker.com/manhood-boot-camp.pdf
    • http://www.gorillawalker.com/electricians-training-course.pdf
    • http://www.gorillawalker.com/christ-in-all-the-scriptures-kindle-edition.pdf
    • http://www.gorillawalker.com/beyond-megachurch-myths-what-we-can-learn-from-america-s.pdf
    • http://www.gorillawalker.com/playing-sick-untangling-the-web-of-munchausen-syndrome-munchausen-by.pdf
    • http://www.gorillawalker.com/practical-machinery-management-for-process-plants-machinery-failure-analysis-and.pdf
    • http://www.gorillawalker.com/answers-from-experts-on-selling-a-home.pdf
    • http://www.gorillawalker.com/the-city-thorndike-press-large-print-core-series.pdf
    • http://www.gorillawalker.com/prague-popout-double-edition-popout-map.pdf
    • http://www.gorillawalker.com/musica-amor-y-conflicto-spanish-edition.pdf
    • http://www.gorillawalker.com/abingdon-new-testament-commentaries-mark.pdf
    • http://www.gorillawalker.com/modern-statistics-for-the-social-and-behavioral-sciences-a-practical.pdf
    • http://www.gorillawalker.com/lesotho-southbound-pocket-guide-southbound-travel-guides.pdf
    • http://www.gorillawalker.com/science-and-homosexualities-kindle-edition.pdf
    • http://www.gorillawalker.com/management-summary-an-article-from-pricing-strategies-for-ip-dsl.pdf
    • http://www.gorillawalker.com/ultimate-guitar-scales-arpeggios-grade-1-to-8-sheet-music.pdf
    • http://www.gorillawalker.com/coy-koi-design-address-book-address-books-volume-12.pdf
    • http://www.gorillawalker.com/gazetteer-of-the-persian-gulf-oman-and-central-arabia-v.pdf
    • http://www.gorillawalker.com/el-bulli-1983-1993-spanish-edition.pdf
    • http://www.gorillawalker.com/genetics-in-plain-and-simple-english.pdf
    • http://www.gorillawalker.com/squiggles-a-really-giant-drawing-and-painting-book.pdf
    • http://www.gorillawalker.com/the-gothic-visions-of-ann-radcliffe-and-matthew-g-lewis.pdf
    • http://www.gorillawalker.com/letter-to-a-christian-nation-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/les-loustics-livre-de-l-eleve-1-french-edition.pdf
    • http://www.gorillawalker.com/williamsburg-christmas-the-story-of-decoration-in-the-colonial-capital.pdf
    • http://www.gorillawalker.com/claude-debussy-his-life-and-works.pdf
    • http://www.gorillawalker.com/unleashing-the-physician-within.pdf
    • http://www.gorillawalker.com/the-stephen-long-expedition-through-the-great-desert-to-the.pdf
    • http://www.gorillawalker.com/designs-for-coloring-prisms.pdf
    • http://www.gorillawalker.com/elegant-large-print-wordsearch-over-100-puzzles-large-print-puzzles.pdf
    • http://www.gorillawalker.com/no-b-s-af-writing.pdf
    • http://www.gorillawalker.com/cowpens-battlefield-a-walking-guide.pdf
    • http://www.gorillawalker.com/one-night-stand-new-yorker-iii-kindle-edition.pdf
    • http://www.gorillawalker.com/123-texas-cool-counting-books.pdf
    • http://www.gorillawalker.com/puppy-powers-1-a-wishbone-come-true.pdf
    • http://www.gorillawalker.com/roadmap-to-entrepreneurial-success-powerful-strategies-for-building-a-high.pdf
    • http://www.gorillawalker.com/jacopo-caneva-s-miyazaki-hayao-miyazaki-e-lo-studio-ghibli.pdf
    • http://www.gorillawalker.com/rotordynamics-of-turbomachinery.pdf
    • http://www.gorillawalker.com/laos-cambodia-insight-guides.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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