Malicious PDF — malware analysis report

Static analysis result for SHA-256 9680751dc5a184c4…

MALICIOUS

PDF

41.4 KB Created: 2018-11-30 20:20:01 +03:00 Authoring application: PScript5.dll Version 5.2.2 (via Mac OS X 10.8.4 Quartz PDFContext)
MD5: 0fa2ff4e51c7200ad74812645c54ea12 SHA-1: b9a40e573a2f1f207c1f602bbcc2c839f9db4643 SHA-256: 9680751dc5a184c42dd4273b4fb6bdfe4999bf040804dc6f56866ddc35fa5296
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, primarily hosted on www.gorillawalker.com. This technique is often used to distribute malicious content or to engage in SEO spam. The ML classifier also flagged this PDF as malicious with high confidence.

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/reserved-cases-according-to-the-code-of-canon-law-1924.pdf
    • http://www.gorillawalker.com/installation-art-space-as-medium-in-contemporary-art-hardcover-2010.pdf
    • http://www.gorillawalker.com/the-wadjet-eye-kindle-edition.pdf
    • http://www.gorillawalker.com/the-book-of-merlin-volume-1.pdf
    • http://www.gorillawalker.com/through-the-lands-of-nyanza-central-africa.pdf
    • http://www.gorillawalker.com/be-thou-prepared-equipping-the-church-for-persecution-and-times.pdf
    • http://www.gorillawalker.com/miracle-on-the-hudson-the-extraordinary-real-life-story-behind.pdf
    • http://www.gorillawalker.com/julian-of-norwich-s-showings.pdf
    • http://www.gorillawalker.com/arco-mechanical-aptitude-and-spatial-relations-tests-fifth-edition.pdf
    • http://www.gorillawalker.com/modern-chinese-book-3-learn-chinese-in-a-simple-and.pdf
    • http://www.gorillawalker.com/sounds-abound-listening-rhyming-and-reading.pdf
    • http://www.gorillawalker.com/neck-lift.pdf
    • http://www.gorillawalker.com/annie-macpherson-kindle-edition.pdf
    • http://www.gorillawalker.com/the-charity-of-nations-humanitarian-action-in-a-calculating-world.pdf
    • http://www.gorillawalker.com/another-normal-day-not.pdf
    • http://www.gorillawalker.com/pci-pci-x-hardware-and-software-sixth-edition.pdf
    • http://www.gorillawalker.com/electrical-methods-in-geophysical-prospecting-monographs-on-electro-magnetic-waves.pdf
    • http://www.gorillawalker.com/too-fresh-to-flop.pdf
    • http://www.gorillawalker.com/baumgartner-shorts-the-baumgartners-book-3-kindle-edition.pdf
    • http://www.gorillawalker.com/doing-christian-ethics-from-the-margins.pdf
    • http://www.gorillawalker.com/an-interpretation-of-ancient-hindu-medicine.pdf
    • http://www.gorillawalker.com/antonyms-find-the-opposites-practice-questions.pdf
    • http://www.gorillawalker.com/critical-chain.pdf
    • http://www.gorillawalker.com/radhika-and-the-seeds-a-parable-of-hindu-gods-radhika.pdf
    • http://www.gorillawalker.com/ratha-s-challenge.pdf
    • http://www.gorillawalker.com/warsaw-concerto-piano-sheet-music.pdf
    • http://www.gorillawalker.com/discourses-webster-s-specialty-crossword-puzzles-volume-1-the-essentials.pdf
    • http://www.gorillawalker.com/the-idea-factory-bell-labs-and-the-great-age-of.pdf
    • http://www.gorillawalker.com/icons-of-erotic-art.pdf
    • http://www.gorillawalker.com/wheatgrass-juice-green-drinks-sprouts-4-page-bi-fold-laminated.pdf
    • http://www.gorillawalker.com/the-new-adventures-of-semi-dual.pdf
    • http://www.gorillawalker.com/examen-clinico-del-paciente-con-lumbalgia-spanish-edition.pdf
    • http://www.gorillawalker.com/past-present-tense.pdf
    • http://www.gorillawalker.com/n-sync-special-edition.pdf
    • http://www.gorillawalker.com/human-osteology-a-laboratory-and-field-manual-missouri-archaeological-society.pdf
    • http://www.gorillawalker.com/working-papers-to-accompany-financial-accounting-information-for-decisions.pdf
    • http://www.gorillawalker.com/the-legitimacy-of-the-european-union-after-enlargement.pdf
    • http://www.gorillawalker.com/times-survey-of-foreign-ministries-of-the-world.pdf
    • http://www.gorillawalker.com/kuruko.pdf
    • http://www.gorillawalker.com/the-history-of-humayun-humayun-nama.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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