Malicious PDF — malware analysis report

Static analysis result for SHA-256 4aec24679c154ba3…

MALICIOUS

PDF

32.0 KB Created: 2020-01-10 17:21:21 +03:00 Authoring application: pdfTeX-1.40.14 (via Revision 5)
MD5: d92d038bf1b13435ca135f12b774bef4 SHA-1: 95e9a41c217217c30e1274df8624cb5e112a0cdc SHA-256: 4aec24679c154ba315c584cc80509920e5d798db7e18ac087b96c4c9da47ab83
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF was flagged by a critical heuristic for containing a mass external link farm, with 32 links pointing to various PDF documents. The ML classifier also indicated a high probability of maliciousness. While no scripts were extracted, the sheer volume of external links suggests an attempt to manipulate search engine results or distribute further malicious content, potentially leading to drive-by downloads or phishing attempts.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8447

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/stretched-by-the-spellbinder-kindle-edition.pdf
    • http://www.gorillawalker.com/hemp-for-victory-the-wonder-herb.pdf
    • http://www.gorillawalker.com/cardiovascular-physiology-lange-physiology.pdf
    • http://www.gorillawalker.com/five-years-in-damascus.pdf
    • http://www.gorillawalker.com/church-courts-sex-and-marriage-in-england-1570-1640-past.pdf
    • http://www.gorillawalker.com/le-vin-pour-ceux-qui-n-y-connaissent-rien-french.pdf
    • http://www.gorillawalker.com/sangers-pioneer-tx-merchants.pdf
    • http://www.gorillawalker.com/economics-of-the-oceans-rights-rents-and-resources.pdf
    • http://www.gorillawalker.com/eversea-weihnachtszauber-german-edition.pdf
    • http://www.gorillawalker.com/the-women-of-the-caesars-illustrated-kindle-edition.pdf
    • http://www.gorillawalker.com/wetlands-of-the-interior-southeastern-united-states.pdf
    • http://www.gorillawalker.com/agriculture-and-economic-development-in-europe-since-1870-routledge-explorations.pdf
    • http://www.gorillawalker.com/study-skills-fun-game-kit-cd.pdf
    • http://www.gorillawalker.com/praxis-ii-special-education-0353-0354-0543-0545-w-cd.pdf
    • http://www.gorillawalker.com/leadership-is-half-the-story-a-fresh-look-at-followership.pdf
    • http://www.gorillawalker.com/the-encyclopedia-of-horror-movies-the-complete-film-reference.pdf
    • http://www.gorillawalker.com/myfoundationslab-without-pearson-etext-for-hiset-and-tasc-prep-standalone.pdf
    • http://www.gorillawalker.com/at-the-end-of-the-oaks-the-official-history-of.pdf
    • http://www.gorillawalker.com/skinny-cocktails-the-only-guide-you-ll-ever-need-to.pdf
    • http://www.gorillawalker.com/new-directions-in-punched-metal-jewelry-20-clever-and-easy.pdf
    • http://www.gorillawalker.com/cayenne-pepper-health-benefits.pdf
    • http://www.gorillawalker.com/puppet-3-cookbook-kindle-edition.pdf
    • http://www.gorillawalker.com/cal-99-original-365-jokes-puns-and-riddles-calendar.pdf
    • http://www.gorillawalker.com/new-modern-chinese-women-and-gender-politics-the-centennial-of.pdf
    • http://www.gorillawalker.com/an-introduction-to-fluid-dynamics-principles-of-analysis-and-design.pdf
    • http://www.gorillawalker.com/north-american-dye-plants.pdf
    • http://www.gorillawalker.com/guitarmaking-guitar-reference.pdf
    • http://www.gorillawalker.com/6-concerti-op-1-concerto-no-5-in-f-major.pdf
    • http://www.gorillawalker.com/ambassador-milf-lesbian-milf-younger-woman-younger-man-bisexual-office.pdf
    • http://www.gorillawalker.com/taoism-under-the-t-ang.pdf
    • http://www.gorillawalker.com/asvab-bilingual-1e-arco-asvab-bilingual.pdf
    • http://www.gorillawalker.com/ophthalmic-terminology-speller-and-vocabulary-builder-3e.pdf
    • http://www.gorillawalker.com/brewing-rsc-rsc-paperbacks.pdf
    • http://www.gorillawalker.com/les-contes-d-hoffmann-french-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/best-of-the-best-from-pennsylvania-cookbook-selected-recipes-from.pdf
    • http://www.gorillawalker.com/all-about-bonds-from-the-inside-out.pdf
    • http://www.gorillawalker.com/elgin-park-an-ideal-american-town.pdf
    • http://www.gorillawalker.com/good-cheer-a-discourse-preached-in-the-first-reformed-dutch.pdf
    • http://www.gorillawalker.com/hunting-chase-werewulf-journals-book-5.pdf
    • http://www.gorillawalker.com/i-am-number-four-lorien-legacies-book-1-kindle-edition.pdf
    • http://www.gorillawa
    • 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.