Malicious PDF — malware analysis report

Static analysis result for SHA-256 c659744485208032…

MALICIOUS

PDF

17.3 KB Created: 2019-11-09 22:53:52 +00:00 Authoring application: mPDF 5.7
MD5: 2723cef6b72f2ecf3fdee0548805efba SHA-1: 292bc738823bd17b772bd0bdd61fde43240e6062 SHA-256: c659744485208032b68216de7be57c4bc92b7e8b22eaa25653357579a511d18b
90 Risk Score

Malware Insights

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

The PDF was flagged by a machine learning classifier and contains a large number of external links, indicating a link farm or distribution mechanism. The embedded links, such as http://cefasfese.4pu.com/4739737733737735/Clandestine-in-Chile-by-Gabriel-Garc-a-M-rquez.pdf, are likely intended to redirect users to malicious sites or download further payloads. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9788

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://cefasfese.4pu.com/4739737733737735/Clandestine-in-Chile-by-Gabriel-Garc-a-M-rquez.pdf
    • http://cefasfese.4pu.com/1737739736737739/Gabriel-s-Revenge-The-Adventures-of-Gabriel-Celtic-2-by-J-T-Lewis.pdf
    • http://cefasfese.4pu.com/1730731737736/Gabriel-s-Redemption-Gabriel-s-Inferno-3-by-Sylvain-Reynard.pdf
    • http://cefasfese.4pu.com/9736737734736737/Clandestine-St-Cyr-amp-Kohler-16-by-J-Robert-Janes.pdf
    • http://cefasfese.4pu.com/6734738737735736/Curtain-of-Death-Clandestine-Operations-3-by-W-E-B-Griffin.pdf
    • http://cefasfese.4pu.com/6734738737739737/Death-at-Nuremberg-Clandestine-Operations-4-by-W-E-B-Griffin.pdf
    • http://cefasfese.4pu.com/6734730736736735/Clandestine-Poems-Poemas-Clandestinos-by-Roque-Dalton.pdf
    • http://cefasfese.4pu.com/6732734739733/Clandestine-Classics-A-Princess-of-Mars-by-Bebe-Balocca.pdf
    • http://cefasfese.4pu.com/3738730736736/Clandestine-Liaisons-Amatore-s-Restaurant-3-by-James-Sillwood.pdf
    • http://cefasfese.4pu.com/7736733732737735/Nicaraguan-Revolution-Anastasio-Somoza-Debayle-Sandinista-National-Liberation-Front-Daniel-Ortega-National-Guard-Anastasio-Somoza-Garc-a-by-Books-LLC.pdf
    • http://cefasfese.4pu.com/3733737737738734/Santiago-Do-Chile-by-Martha-Medeiros.pdf
    • http://cefasfese.4pu.com/2734733738736731/Gabriel-Stone-and-the-Divinity-of-Valta-Gabriel-Stone-1-by-Shannon-Duffy.pdf
    • http://cefasfese.4pu.com/1737734735732730/Gabriel-Stone-and-the-Wrath-of-the-Solarians-Gabriel-Stone-2-by-Shannon-Duffy.pdf
    • http://cefasfese.4pu.com/1730738735738738735/Kulinarische-Grenzerfahrungen-Von-Chile-bis-Thailand-by-DIE-ZEIT.pdf
    • http://cefasfese.4pu.com/6734730739730739/N-made-in-Chile-Popol-Vud-1-by-Morales-Monterr-os.pdf
    • http://cefasfese.4pu.com/1734733737737739/Green-Is-a-Chile-Pepper-A-Book-of-Colors-by-Roseanne-Thong.pdf
    • http://cefasfese.4pu.com/7739731738730/My-Invented-Country-A-Nostalgic-Journey-Through-Chile-by-Isabel-Allende.pdf
    • http://cefasfese.4pu.com/8733736730738732/Chile-Paisajes-Del-Confin-Del-Mundo-by-Pablo-Valenzuela-Vaillant.pdf
    • http://cefasfese.4pu.com/5731734735737733/Cybernetic-Revolutionaries-Technology-and-Politics-in-Allende-s-Chile-by-Eden-Medina.pdf
    • http://cefasfese.4pu.com/8734735738738733/Chile-The-Other-September-11-An-Anthology-of-Reflections-on-the-1973-Coup-by-Pilar-Aguilera.pdf
    • http://cefasfese.4pu.com/6732734739733/Clandestine-C

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