Malicious PDF — malware analysis report

Static analysis result for SHA-256 2adf51f4e0e74ace…

MALICIOUS

PDF

43.4 KB Created: 2018-11-30 20:57:29 +03:00 Authoring application: LaTeX with hyperref package (via xdvipdfmx)
MD5: 725df2dddb3efbd7381bcd5502ccc5fd SHA-1: a1bf333110d6eebff12e5a6792b6e3fdfaeadeee SHA-256: 2adf51f4e0e74ace5a05a899b6d482f0c35acfa46e7aa49f39825108c4c2706e
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF contains a large number of embedded links to external PDF files, as indicated 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 poisoning or to distribute further malware. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8439

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/candida-diet-book.pdf
    • http://www.gorillawalker.com/the-thing-around-your-neck.pdf
    • http://www.gorillawalker.com/danger-girl-6.pdf
    • http://www.gorillawalker.com/a-brew-to-a-kill-a-coffeehouse-mystery.pdf
    • http://www.gorillawalker.com/the-south-beach-diet-book-and-the-south-beach-super.pdf
    • http://www.gorillawalker.com/dont-sweat-the-small-stuff-at-work-cd.pdf
    • http://www.gorillawalker.com/wings-a-black-city-novel.pdf
    • http://www.gorillawalker.com/libro-m.pdf
    • http://www.gorillawalker.com/spanish-for-health-care-2nd-edition.pdf
    • http://www.gorillawalker.com/pathfinder-chronicles-guide-to-darkmoon-vale-pathfinder-chronicles-supplement.pdf
    • http://www.gorillawalker.com/hello-nature-how-to-draw-paint-cook-and-find-your.pdf
    • http://www.gorillawalker.com/keep-a-lid-on-it-pandora-myth-o-mania.pdf
    • http://www.gorillawalker.com/doing-the-china-tango-how-to-dance-around-common-pitfalls.pdf
    • http://www.gorillawalker.com/management-accounting-european-perspectives.pdf
    • http://www.gorillawalker.com/hungary-road-map-international-road-poster-maps.pdf
    • http://www.gorillawalker.com/the-cowboy-s-cookbook-recipes-and-tales-from-campfires-cookouts.pdf
    • http://www.gorillawalker.com/bibliography-ethical-and-legal-and-social-implications-of-the-human.pdf
    • http://www.gorillawalker.com/el-poeta-m.pdf
    • http://www.gorillawalker.com/lefty-an-american-odyssey.pdf
    • http://www.gorillawalker.com/essential-ear-training-for-the-contemporary-musician.pdf
    • http://www.gorillawalker.com/god-s-word-vs-man-s-word-comparing-the-word.pdf
    • http://www.gorillawalker.com/fourteen-observations-of-good-scrum-practice.pdf
    • http://www.gorillawalker.com/thermal-analysis-with-solidworks-simulation-2013.pdf
    • http://www.gorillawalker.com/combat-actions-in-korea-army-historical-series.pdf
    • http://www.gorillawalker.com/crc-handbook-of-chromatography-amino-acids-and-amines-complete-2.pdf
    • http://www.gorillawalker.com/asphalt-pavements.pdf
    • http://www.gorillawalker.com/60-selected-christmas-hymns-for-the-solo-performer-bass-clarinet.pdf
    • http://www.gorillawalker.com/does-your-government-measure-up-basic-tools-for-local-officials.pdf
    • http://www.gorillawalker.com/die-reise-zum-heiligen-berg-kailash-in-tibet-politische-widerst.pdf
    • http://www.gorillawalker.com/texas-experience-friendship-and-food-texas-style-a-cookbook-from.pdf
    • http://www.gorillawalker.com/knock-em-dead-the-ultimate-job-search-guide-knock-em.pdf
    • http://www.gorillawalker.com/asatru-book-of-blotar-and-rituals-by-the-asatru-folk.pdf
    • http://www.gorillawalker.com/degowin-s-diagnostic-examination-tenth-edition.pdf
    • http://www.gorillawalker.com/metal-forming-science-and-practice-a-state-of-the-art.pdf
    • http://www.gorillawalker.com/garden-lover-s-puzzle-and-quiz-book.pdf
    • http://www.gorillawalker.com/weyers-flotten-taschenbuch-2013-2015.pdf
    • http://www.gorillawalker.com/how-to-draw-transforming-robots-pocket-manga-volume-1.pdf
    • http://www.gorillawalker.com/this-sex-which-is-not-one.pdf
    • http://www.gorillawalker.com/six-sigma-for-dummies-kindle-edition.pdf
    • http://www.gorillawalker.com/the-night-johnny-ace-died-a-story-from-jesus-out.pdf
    • http://www.gorillawalker.com/li
    • 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/

Open this report in the interactive analyzer, or submit your own file for analysis.