Malicious PDF — malware analysis report

Static analysis result for SHA-256 90c83b75db0f3881…

MALICIOUS

PDF

41.7 KB Created: 2018-11-14 08:38:06 +03:00 Authoring application: - (via PDFlib Personalization Server 5.0.1 (COM/Win32) unlicensed)
MD5: 450776bc8387705b40e4023e39c14695 SHA-1: 4c2386eb7aa503e4cbd39acf258139abfe3779d7 SHA-256: 90c83b75db0f3881eb869e05c8391b218e465017846cf40ef4fb0625f538b74d
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links likely lead to malicious content or are used for SEO manipulation. No scripts were extracted from this sample, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

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/arms-and-weapons-an-introduction-to-the-un-regulatory-framework.pdf
    • http://www.gorillawalker.com/transport-phenomena-fundamentals-chemical-industries.pdf
    • http://www.gorillawalker.com/the-early-muslim-tradition-of-dream-interpretation-suny-series-in.pdf
    • http://www.gorillawalker.com/parents-are-forever-a-step-by-step-guide-to-becoming.pdf
    • http://www.gorillawalker.com/shock-therapy.pdf
    • http://www.gorillawalker.com/on-orwell-s-1984-cliffs-notes.pdf
    • http://www.gorillawalker.com/residential-windows-a-guide-to-new-technology-and-energy-performance.pdf
    • http://www.gorillawalker.com/biscuit-more-phonics-fun-my-first-i-can-read.pdf
    • http://www.gorillawalker.com/motion-and-forces-science-made-simple.pdf
    • http://www.gorillawalker.com/the-complete-book-of-offensive-football-drills-kindle-edition.pdf
    • http://www.gorillawalker.com/the-everything-father-to-be-book-a-survival-guide-for.pdf
    • http://www.gorillawalker.com/five-c-s-of-cinematography-by-joseph-v-maschelli-1973.pdf
    • http://www.gorillawalker.com/stars-on-ice-an-intimate-look-at-skating-s-greatest.pdf
    • http://www.gorillawalker.com/suburbanite.pdf
    • http://www.gorillawalker.com/multiple-sclerosis-by-murray-md-t-jock-saunders-ba-bsn.pdf
    • http://www.gorillawalker.com/how-to-do-magic-tricks.pdf
    • http://www.gorillawalker.com/country-path-conversations-studies-in-continental-thought.pdf
    • http://www.gorillawalker.com/edmond-jabes-the-hazard-of-exile-legenda-main.pdf
    • http://www.gorillawalker.com/the-civil-war-the-third-year-told-by-those-who.pdf
    • http://www.gorillawalker.com/master-the-sat-2006.pdf
    • http://www.gorillawalker.com/drawing-expressive-portraits.pdf
    • http://www.gorillawalker.com/and-god-said-let-there-be-more-laughter-humorous-inspiring.pdf
    • http://www.gorillawalker.com/existentialism-from-dostoevsky-to-sartre-revised-and-expanded-edition.pdf
    • http://www.gorillawalker.com/frances-farmer-the-life-and-films-of-a-troubled-star.pdf
    • http://www.gorillawalker.com/dark-magick-sweep-no-4.pdf
    • http://www.gorillawalker.com/ich-brauche-dich-ich-liebe-dich-roman-german-edition-kindle.pdf
    • http://www.gorillawalker.com/the-hole-in-the-dike-a-blue-ribbon-book.pdf
    • http://www.gorillawalker.com/yes-or-no-how-your-everyday-decisions-will-forever-shape.pdf
    • http://www.gorillawalker.com/albert-goes-trekking.pdf
    • http://www.gorillawalker.com/truly-madly-deadly-the-unofficial-true-blood-companion.pdf
    • http://www.gorillawalker.com/last-night-i-sang-to-the-monster.pdf
    • http://www.gorillawalker.com/pensions-at-a-glance-asia-pacific-2013.pdf
    • http://www.gorillawalker.com/mr-bones-i-from-out-of-the-darkness-volume-1.pdf
    • http://www.gorillawalker.com/re-print-the-legal-remedy-for-plutocracy.pdf
    • http://www.gorillawalker.com/the-locker-room.pdf
    • http://www.gorillawalker.com/collegeville-catholic-reference-library-cd-rom-edition-pc.pdf
    • http://www.gorillawalker.com/the-measure-and-meaning-of-time-in-mesoamerica-and-the.pdf
    • http://www.gorillawalker.com/the-south-a-tour-of-its-battlefields-and-ruined-cities.pdf
    • http://www.gorillawalker.com/our-world-living-in-the-desert.pdf
    • http://www.gorillawalker.com/more-than-a-champion-the-style-of-muhammad-ali.pdf
    • http://www.gorillawalker.com/biscuit-more-phonics-fun-my-first-
    • 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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