Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e36d28176c7a46b…

MALICIOUS

PDF

40.7 KB Created: 2019-04-02 22:43:39 +03:00 Authoring application: - (via htmldoc 1.8.27 Copyright 1997-2006 Easy Software Products, All Rights Reserved.)
MD5: ac52f9ee3709104b06e99ccaf823148e SHA-1: a366991c346bd7f1ba91f359210c54bb560e0924 SHA-256: 6e36d28176c7a46b583db10c8963b135408f9e7bc9f07194aad075e124aa1e60
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. While the document body is heavily obfuscated, the presence of 32 external links suggests an attempt to manipulate search engine results or to redirect users to potentially malicious content hosted on the gorillawalker.com domain. The ML classifier also flagged the document as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8698

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/taking-the-waters-a-swim-around-hampstead-heath-by-davies.pdf
    • http://www.gorillawalker.com/spectrum-guide-to-pakistan-spectrum-guides.pdf
    • http://www.gorillawalker.com/blood-brothers-the-dramatic-story-of-a-palestinian-christian-working.pdf
    • http://www.gorillawalker.com/america-burning-the-report-of-the-national-commission-on-fire.pdf
    • http://www.gorillawalker.com/turning-point-in-china.pdf
    • http://www.gorillawalker.com/the-complete-book-of-child-safety.pdf
    • http://www.gorillawalker.com/janet-the-giant-lover-50-shades-of-fairy-tales-kindle.pdf
    • http://www.gorillawalker.com/le-corbusier-25.pdf
    • http://www.gorillawalker.com/confessions-of-a-teen-nanny-2-rich-girls.pdf
    • http://www.gorillawalker.com/indoctrinability-ideology-and-warfare-evolutionary-perspectives.pdf
    • http://www.gorillawalker.com/i-fioretti-di-san-francesco-the-little-flowers-of-st.pdf
    • http://www.gorillawalker.com/the-sandy-bottom-orchestra.pdf
    • http://www.gorillawalker.com/water-contamination-emergencies-can-we-cope-special-publication.pdf
    • http://www.gorillawalker.com/robotics-vision-and-control-fundamental-algorithms-in-matlab-springer-tracts.pdf
    • http://www.gorillawalker.com/the-fixer-upper.pdf
    • http://www.gorillawalker.com/my-sister-s-song-kindle-edition.pdf
    • http://www.gorillawalker.com/geriatric-symptom-assessment-management-module-4-neuromuscular-urinary-video-workbook.pdf
    • http://www.gorillawalker.com/build-your-own-electric-guitar.pdf
    • http://www.gorillawalker.com/triple-threat-the-art-of-seduction.pdf
    • http://www.gorillawalker.com/past-life-dreamwork-healing-the-soul-through-understanding-karmic-patterns.pdf
    • http://www.gorillawalker.com/release-the-book-within.pdf
    • http://www.gorillawalker.com/the-fictitious-memoir-find-yourself-in-fiction.pdf
    • http://www.gorillawalker.com/caffeine-for-the-creative-mind-250-exercises-to-wake-up.pdf
    • http://www.gorillawalker.com/the-business-and-economics-of-linux-and-open-source.pdf
    • http://www.gorillawalker.com/they-exist.pdf
    • http://www.gorillawalker.com/bruges-insight-pocket-guide.pdf
    • http://www.gorillawalker.com/the-natural-law-of-money.pdf
    • http://www.gorillawalker.com/building-for-life-designing-and-understanding-the-human-nature-connection.pdf
    • http://www.gorillawalker.com/review-of-nurse-anesthesia-book-with-cd-rom-for-windows.pdf
    • http://www.gorillawalker.com/monster-high-back-and-deader-than-ever.pdf
    • http://www.gorillawalker.com/law-man-dream-man-book-3.pdf
    • http://www.gorillawalker.com/cold-paradise-stone-barrington-series.pdf
    • http://www.gorillawalker.com/a-wedding-in-december-a-novel.pdf
    • http://www.gorillawalker.com/dutch-wife-chinatsu-yasinsyuu-vol1-japanese-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/homeowners-guide-to-carpentry-and-cabinetry.pdf
    • http://www.gorillawalker.com/queer-criminology-new-directions-in-critical-criminology.pdf
    • http://www.gorillawalker.com/alan-moore-conversations-conversations-with-comic-artists-series.pdf
    • http://www.gorillawalker.com/mothering-without-a-map-the-search-for-the-good-mother.pdf
    • http://www.gorillawalker.com/workout-tips-for-beautiful-body-kindle-edition.pdf
    • http://www.gorillawalker.com/preparing-for-the-ap-calculus-examination-bc.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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