Malicious PDF — malware analysis report

Static analysis result for SHA-256 48b9e7592c873a84…

MALICIOUS

PDF

45.5 KB Created: 2018-12-15 08:35:07 +03:00 Authoring application: LaTeX with hyperref package (via dvips + ps2pdf)
MD5: 06f53ac44566304c1ef1bee696e065af SHA-1: 974316d56b316ed2b1d8bc6b5e4bc8ef4396586e SHA-256: 48b9e7592c873a84bf4babd04779b5e5d1296fd3c46cd96985410fe4152b4e4b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded links pointing to external PDF documents on the same domain, identified by the PDF_SEO_LINK_FARM heuristic. This suggests a tactic to drive traffic to a large collection of content, potentially for SEO manipulation or to host malicious payloads disguised as legitimate documents. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8173

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/vicious-circles-and-infinity-an-anthology-of-paradoxes.pdf
    • http://www.gorillawalker.com/logistics-outsourcing-relationships-measurement-antecedents-and-effects-of-logistics-outsourcing.pdf
    • http://www.gorillawalker.com/classical-theory-in-international-relations-cambridge-studies-in-international-relations.pdf
    • http://www.gorillawalker.com/a-technique-of-advanced-standard-ballroom-figures.pdf
    • http://www.gorillawalker.com/100-of-the-best-polo-players-of-all-time.pdf
    • http://www.gorillawalker.com/my-world-in-variables.pdf
    • http://www.gorillawalker.com/major-principles-of-media-law-2016.pdf
    • http://www.gorillawalker.com/medal-of-honor-historical-facts-and-figures.pdf
    • http://www.gorillawalker.com/false-intimacy-understanding-the-struggle-of-sexual-addiction-lifechange.pdf
    • http://www.gorillawalker.com/a-smart-kid-s-guide-to-playing-online-games-kids.pdf
    • http://www.gorillawalker.com/reinsurance-practice-and-the-law-lloyd-s-insurance-law-library.pdf
    • http://www.gorillawalker.com/pinocchio-a-cut-paper-book.pdf
    • http://www.gorillawalker.com/young-researchers-forum-6th-international-congress-of-global-construction.pdf
    • http://www.gorillawalker.com/side-effects-a-gender-transformation-bimbo-novella.pdf
    • http://www.gorillawalker.com/the-million-word-crossword-dictionary-2nd-edition.pdf
    • http://www.gorillawalker.com/noble-enterprise-the-commonsense-guide-to-uplifting-people-and-profits.pdf
    • http://www.gorillawalker.com/fear-without-frontiers-horror-cinema-across-the-globe.pdf
    • http://www.gorillawalker.com/lock-on-no-21-mikoyan-mig-21-mf-fishbed.pdf
    • http://www.gorillawalker.com/vashti-queen-of-the-ancient-medes-airyanem-civilization-book-1.pdf
    • http://www.gorillawalker.com/personal-diary-turning-my-thoughts-to-a-higher-power-blank.pdf
    • http://www.gorillawalker.com/vietnam-a-history-the-first-complete-account-of-vietnam-at.pdf
    • http://www.gorillawalker.com/mondzeit-7-pieces-for-recorder-and-guitar-sheet-music.pdf
    • http://www.gorillawalker.com/agua-y-anti-edad-water-and-anti-aging-aprende-a.pdf
    • http://www.gorillawalker.com/weserubung-die-besetzung-danemarks-und-die-eroberung-norwegens-9-4.pdf
    • http://www.gorillawalker.com/blackfoot-physics.pdf
    • http://www.gorillawalker.com/the-cowboy-s-homecoming-refuge-ranch.pdf
    • http://www.gorillawalker.com/sexual-desire-disorders-dysfunctional-regulation-of-sexual-motivation.pdf
    • http://www.gorillawalker.com/beyond-the-mexique-bay-a-traveller-s-journal.pdf
    • http://www.gorillawalker.com/following-a-lark-kindle-edition.pdf
    • http://www.gorillawalker.com/physical-biochemistry-principles-and-applications.pdf
    • http://www.gorillawalker.com/readings-in-ancient-greek-philosophy-from-thales-to-aristotle-4th.pdf
    • http://www.gorillawalker.com/biotechnology-of-neglected-and-underutilized-crops.pdf
    • http://www.gorillawalker.com/the-essential-theatre-enhanced.pdf
    • http://www.gorillawalker.com/don-t-hurt-laurie.pdf
    • http://www.gorillawalker.com/moderne-russiese-boere-woordeboek-afrikaans-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/maria-costello-queen-of-bikers.pdf
    • http://www.gorillawalker.com/101-careers-in-gerontology-second-edition.pdf
    • http://www.gorillawalker.com/by-hans-j-ten-donkelaar-martin-lammens-akira-hori-clinical.pdf
    • http://www.gorillawalker.com/dream-of-the-ballet-dance-characteristique-p-f.pdf
    • http://www.gorillawalker.com/gangs-and-your-neighborhood-tookie-speaks-out-against-gang-violence.pdf
    • http://www.goril
    • 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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