Malicious PDF — malware analysis report

Static analysis result for SHA-256 62f15f39a05dca79…

MALICIOUS

PDF

42.1 KB Created: 2018-12-02 10:55:37 +03:00 Authoring application: Microsoft Word (via Acrobat PDFWriter 3.0f1r8 for Power Macintosh)
MD5: 92592281473b6a23b6f8057b762b5954 SHA-1: 5e7a0e9fc52625715ce88600d27b7ea91eb8b194 SHA-256: 62f15f39a05dca79ae65f67ecdbfec27f8fdffee405a85ebf8a76c47644b061c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a heuristic firing for a link farm, with 32 external PDF links embedded. The ML classifier also flagged the document as malicious. While no scripts were explicitly extracted, the presence of numerous external links suggests an attempt to direct users to potentially malicious or SEO-manipulated content, possibly as a lure or to download further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8872

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/velvet-art-create-fabulous-fuzzy-masterpieces-klutz.pdf
    • http://www.gorillawalker.com/healing-the-unhappy-caveman-why-the-human-mind-was-not.pdf
    • http://www.gorillawalker.com/the-planets-op-32-venus-the-bringer-of-peace-no.pdf
    • http://www.gorillawalker.com/100-years-of-song-1900-1999-piano-vocal-guitar-songbook.pdf
    • http://www.gorillawalker.com/the-los-angeles-barrio-1850-1890-a-social-history.pdf
    • http://www.gorillawalker.com/101-fantastic-juices-and-smoothies-put-the-fun-back-into.pdf
    • http://www.gorillawalker.com/introduction-to-health-information-technology-book-with-web-site-passcode.pdf
    • http://www.gorillawalker.com/high-energy-living.pdf
    • http://www.gorillawalker.com/learning-to-forget-schooling-and-family-life-in-new-haven.pdf
    • http://www.gorillawalker.com/express-makeup.pdf
    • http://www.gorillawalker.com/numerical-methods-with-applications-in-the-biomedical-sciences-mathematics-and.pdf
    • http://www.gorillawalker.com/wife-after-god-drawing-closer-to-god-your-husband.pdf
    • http://www.gorillawalker.com/annals-penguin-classics.pdf
    • http://www.gorillawalker.com/american-girls-pastimes-samantha-s-pastimes-cookbook-craft-book-paper.pdf
    • http://www.gorillawalker.com/inside-the-third-reich.pdf
    • http://www.gorillawalker.com/loving-drake-lily-s-mistake-novella.pdf
    • http://www.gorillawalker.com/medicina-alternativa-la-gu-a-definitiva-spanish-edition.pdf
    • http://www.gorillawalker.com/language-choice-and-identity-politics-in-taiwan.pdf
    • http://www.gorillawalker.com/in-their-own-words-abraham-lincoln.pdf
    • http://www.gorillawalker.com/gods-heart-for-the-nations.pdf
    • http://www.gorillawalker.com/mensa-intelligence-tests.pdf
    • http://www.gorillawalker.com/quiet-water-massachusetts-connecticut-and-rhode-island-amc-s-canoe.pdf
    • http://www.gorillawalker.com/veterinary-nursing-self-assessment-3e.pdf
    • http://www.gorillawalker.com/chelation-therapy-and-your-health-this-noninvasive-treatment-for-vascular.pdf
    • http://www.gorillawalker.com/native-american-classics-2004-wall-calendar.pdf
    • http://www.gorillawalker.com/o1718-25-daily-exercises-for-saxophone-by-h-klose-published.pdf
    • http://www.gorillawalker.com/the-earthquake-that-never-went-away-gutenberg-richter-earthquake-series.pdf
    • http://www.gorillawalker.com/immediate-family.pdf
    • http://www.gorillawalker.com/sisters-and-lovers.pdf
    • http://www.gorillawalker.com/esthetician-exam-secrets-study-guide-esthetician-test-review-for-the.pdf
    • http://www.gorillawalker.com/florentine-food-and-stories-from-the-renaissance-city.pdf
    • http://www.gorillawalker.com/spss-demystified-a-step-by-step-approach-2nd-edition.pdf
    • http://www.gorillawalker.com/frommer-s-portable-maui.pdf
    • http://www.gorillawalker.com/agile-selling-get-up-to-speed-quickly-in-today-s.pdf
    • http://www.gorillawalker.com/asians-in-britain-caring-for-sikhs-and-their-families-religious.pdf
    • http://www.gorillawalker.com/the-prospects-of-international-trade-regulation-from-fragmentation-to-coherence.pdf
    • http://www.gorillawalker.com/bacteriology-and-applied-immunology-for-nurses.pdf
    • http://www.gorillawalker.com/manuel-zamora-gunsmith-to-the-stars.pdf
    • http://www.gorillawalker.com/together-futanari-experiments-5-futa-on-female.pdf
    • http://www.gorillawalker.com/haggai-for-small-groups-query-the-text-series.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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