Malicious PDF — malware analysis report

Static analysis result for SHA-256 4bea46b8ce37384e…

MALICIOUS

PDF

42.8 KB Created: 2018-12-15 20:02:00 +03:00 Authoring application: Acrobat PDFMaker 15 for Word (via Adobe PDF Library 15.0)
MD5: 7056de447f57b5c0338f963b06f88a33 SHA-1: 26fedbef0246e9461ba69eca7236acf0addac9e2 SHA-256: 4bea46b8ce37384e1be2aacf12ade34d57bb09edfc8b7c4ca9428eb5bfb4d1e4
90 Risk Score

Malware Insights

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

The PDF was flagged by a critical heuristic for containing a large number of external links, suggesting a link farm or redirection tactic. The ML classifier also strongly indicated maliciousness. The embedded URLs, all pointing to the same domain, likely serve as lures or redirects to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9181

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/fresh-felt-flowers-17-stunning-flowers-to-sew-display-with.pdf
    • http://www.gorillawalker.com/reuni-n-de-cuentos-letras-mexicanas-spanish-edition.pdf
    • http://www.gorillawalker.com/the-kurdles.pdf
    • http://www.gorillawalker.com/by-mark-dugopolski-elementary-and-intermediate-algebra-third-3rd-edition.pdf
    • http://www.gorillawalker.com/the-olive-tree-connection-kindle-edition.pdf
    • http://www.gorillawalker.com/society-of-arts-centenary-of-the-invention-of-lithography.pdf
    • http://www.gorillawalker.com/dr-charles-burstone-s-contribution-in-orthodontics.pdf
    • http://www.gorillawalker.com/landmark-history-of-the-united-brethren-church-treating-of-the.pdf
    • http://www.gorillawalker.com/prepper-preppers-guide-essential-tips-and-strategies-to-ready-your.pdf
    • http://www.gorillawalker.com/mortal-wounds.pdf
    • http://www.gorillawalker.com/combating-fraud-and-corruption-in-the-public-sector.pdf
    • http://www.gorillawalker.com/chicago-a-food-biography-big-city-food-biographies.pdf
    • http://www.gorillawalker.com/successful-negotiating-business-partners.pdf
    • http://www.gorillawalker.com/tongue-diagnosis-in-chinese-medicine-cd-rom.pdf
    • http://www.gorillawalker.com/space-and-place-in-the-hunger-games-new-readings-of.pdf
    • http://www.gorillawalker.com/the-schwarzschild-radius-kindle-edition.pdf
    • http://www.gorillawalker.com/mapsco-denver-regional-street-atlas.pdf
    • http://www.gorillawalker.com/e-literature-for-children-enhancing-digital-literacy-learning.pdf
    • http://www.gorillawalker.com/problem-solved-libertarian-solutions-for-the-real-world.pdf
    • http://www.gorillawalker.com/bibliography-of-paper-chromatography-1957-1960-and-survey-of-applications.pdf
    • http://www.gorillawalker.com/journal-of-american-academy-of-child-adolescent-psychiatry-vol-45.pdf
    • http://www.gorillawalker.com/decolonizing-methodologies-research-and-indigenous-peoples.pdf
    • http://www.gorillawalker.com/back-to-the-start.pdf
    • http://www.gorillawalker.com/pregnancy-diary.pdf
    • http://www.gorillawalker.com/mites-of-economic-plants-identification-bio-ecology-and-control.pdf
    • http://www.gorillawalker.com/undoing-depression-what-therapy-doesn-t-teach-you-and-medication.pdf
    • http://www.gorillawalker.com/houses-the-illustrated-guide-to-construction-design-and-systems.pdf
    • http://www.gorillawalker.com/the-acne-diet-holistic-plan-to-achieve-clear-youthful-acne.pdf
    • http://www.gorillawalker.com/fundamentals-14th-international-architecture-exhibition-la-biennale-di-venezia.pdf
    • http://www.gorillawalker.com/clementina-clementina-clementine-spanish-edition.pdf
    • http://www.gorillawalker.com/crucible.pdf
    • http://www.gorillawalker.com/aoides-weihnachten-stummes-lied-1-german-edition.pdf
    • http://www.gorillawalker.com/but-you-re-my-professor-older-man-and-bbw-younger.pdf
    • http://www.gorillawalker.com/nightmares-bedtime-stories-for-the-wicked-kindle-edition.pdf
    • http://www.gorillawalker.com/thomas-guide-2003-phoenix-metro-street-spiral.pdf
    • http://www.gorillawalker.com/the-jaguar-smile-a-nicaraguan-journey.pdf
    • http://www.gorillawalker.com/straight-talk-no-chaser-kindle-edition.pdf
    • http://www.gorillawalker.com/big-deal-serial-purchasing-tracking-the-damage-library-technology-reports.pdf
    • http://www.gorillawalker.com/falange-a-history-of-spanish-fascism.pdf
    • http://www.gorillawalker.com/bitt-und-gl-ckwunschgedichte-german-edition.pdf
    • http://www.gorillawalker.com/dr-charles-bur
    • 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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