Malicious PDF — malware analysis report

Static analysis result for SHA-256 9023420ab31222ca…

MALICIOUS

PDF

43.9 KB Created: 2018-11-30 20:06:56 +03:00 Authoring application: Word (via Mac OS X 10.8.4 Quartz PDFContext)
MD5: 03ea4485339a60fed190fabd9a5a94b1 SHA-1: 00782fd23786f3f393c65f822777041d618f9989 SHA-256: 9023420ab31222ca44eee29d06b8d55da471bb2e8e682efda6c31bb7813eabee
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, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious. The document body is heavily obfuscated and does not provide clear textual lures, but the sheer volume of links suggests a malicious intent, possibly for SEO manipulation or to distribute further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9171

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/dharmasutras-the-law-codes-of-ancient-india-oxford-world-s.pdf
    • http://www.gorillawalker.com/fiona-piper-super-bundle-volume-two-sissies-forced-feminization-cuckolding.pdf
    • http://www.gorillawalker.com/space-time-and-crime.pdf
    • http://www.gorillawalker.com/quantum-error-correction.pdf
    • http://www.gorillawalker.com/the-ages-of-american-law-second-edition-the-storrs-lectures.pdf
    • http://www.gorillawalker.com/when-did-we-see-you-sixty-creative-activities-to-help.pdf
    • http://www.gorillawalker.com/low-carb-slow-cooker-recipes-1-pot-meals-low-sodium.pdf
    • http://www.gorillawalker.com/an-introduction-to-shi-i-islam-history-and-doctrines-of.pdf
    • http://www.gorillawalker.com/a-defence-of-usury-shewing-the-impolicy-of-the-present.pdf
    • http://www.gorillawalker.com/john-denver-a-legacy-of-song.pdf
    • http://www.gorillawalker.com/hd-cinematography-inset-3rd-edition-chinese-edition.pdf
    • http://www.gorillawalker.com/postpartum-depression-culture-and-african-american-women-an-article-from.pdf
    • http://www.gorillawalker.com/the-st-albans-psalter-current-research-and-perspectives.pdf
    • http://www.gorillawalker.com/by-fodor-s-fodor-s-bermuda-travel-guide-32-paperback.pdf
    • http://www.gorillawalker.com/scott-cohen-s-poolscapes-refreshing-ideas-for-the-ultimate-backyard.pdf
    • http://www.gorillawalker.com/seaplane-skiplane-and-float-ski-equipped-helicopter-operations-handbook-faa.pdf
    • http://www.gorillawalker.com/an-american-brat-a-novel.pdf
    • http://www.gorillawalker.com/tragedia-all-italiana-italian-cinema-and-italian-terrorisms-1970-2010.pdf
    • http://www.gorillawalker.com/caillou-is-sick-clubhouse.pdf
    • http://www.gorillawalker.com/erfolg-am-kantsch-8438-m-d-himalaya-expedition-d-dt.pdf
    • http://www.gorillawalker.com/marketing-advertising-campaign-miki-advertising-books-9787801002280-jiang-ruxiang-edited.pdf
    • http://www.gorillawalker.com/navigators-killer-creatures.pdf
    • http://www.gorillawalker.com/vendida-como-una-mercanc.pdf
    • http://www.gorillawalker.com/atlanta-regional-map-rand-mcnally.pdf
    • http://www.gorillawalker.com/repertory-of-the-homeopathic-materia-medica-with-word-index.pdf
    • http://www.gorillawalker.com/encyclopedia-of-censorship-facts-on-file-library-of-world-history.pdf
    • http://www.gorillawalker.com/the-hundred-languages-of-children-the-reggio-emilia-approach-to.pdf
    • http://www.gorillawalker.com/travel-new-york-city-2012-illustrated-guide-and-maps-includes.pdf
    • http://www.gorillawalker.com/albert-ist-mein-freund-hilfe-f-r-kinder-verstehen-autismus.pdf
    • http://www.gorillawalker.com/artist-eugene-j-martin-s-2002-acrylic-paintings-on-canvas.pdf
    • http://www.gorillawalker.com/applied-quantum-chemistry.pdf
    • http://www.gorillawalker.com/a-hand-book-to-the-primates-volume-1.pdf
    • http://www.gorillawalker.com/illinois-off-the-beaten-path.pdf
    • http://www.gorillawalker.com/wittgenstein-the-routledge-philosophers.pdf
    • http://www.gorillawalker.com/cultureshock-sweden-cultureshock-sweden-a-survival-guide-to-customs-etiquette.pdf
    • http://www.gorillawalker.com/electoral-laws-and-the-survival-of-presidential-democracies.pdf
    • http://www.gorillawalker.com/lettera-vol-1-a-standard-book-of-fine-lettering.pdf
    • http://www.gorillawalker.com/rand-mcnally-san-diego-map-guide.pdf
    • http://www.gorillawalker.com/grade-3-cd-2-music-finding-god-2005-2007.pdf
    • http://www.gorillawalker.com/etudes-vol-1-kalmus-edition.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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