Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6bda4676787c773…

MALICIOUS

PDF

14.8 KB Created: 2019-05-02 06:09:31 +01:00 Authoring application: mPDF 5.7 First seen: 2020-12-28
MD5: d6cffd98921879d0edcd586d15d0e0a0 SHA-1: ca09055176afd90f63857f60d7eb7f69243b90e6 SHA-256: c6bda4676787c77348f388a407619a17d0feb3e73bbf9fd4f9428763e12af254
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm, which is a common technique for SEO poisoning or distributing malicious content. The ML classifier also flagged this PDF as malicious. The embedded URLs likely serve to direct users to potentially harmful content or further stages of an attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

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/4733734738733732/Charmed-Again-The-Charmed-2-by-Lindy-Zart.pdf In PDF document text
    • http://cefasfese.4pu.com/1730739737735735734/Charmed---The-ultimate-unofficial-companion-Was-du-schon-immer-ber-Charmed-wissen-wolltest-by-Eva-Maria-H-reth.pdfIn PDF document text
    • http://cefasfese.4pu.com/7732734733735/The-Charmed-Fates-The-Charmed-Trilogy-3-by-Christine-Wenrick.pdfIn PDF document text
    • http://cefasfese.4pu.com/1731733731730/Lucky-Charmed-Charmed-in-Texas-2-by-Sharla-Lovelace.pdfIn PDF document text
    • http://cefasfese.4pu.com/4730734733730732/Charmed-Again-Charmed-11-by-Elizabeth-Lenhard.pdfIn PDF document text
    • http://cefasfese.4pu.com/6736732737739/A-Charmed-Life-The-Charmed-Life-1-3-by-Jenny-B-Jones.pdfIn PDF document text
    • http://cefasfese.4pu.com/4734731730733738/The-Map-to-You-by-Lindy-Zart.pdfIn PDF document text
    • http://cefasfese.4pu.com/1731733731734739739/Within-This-Frame-by-Lindy-Zart.pdfIn PDF document text
    • http://cefasfese.4pu.com/3731731730738733/Insignificant-Anything-But-3-by-Lindy-Zart.pdfIn PDF document text
    • http://cefasfese.4pu.com/1731733731735730730/Bullies-like-Me-by-Lindy-Zart.pdfIn PDF document text
    • http://cefasfese.4pu.com/4736737739739733/Safe-and-Sound-by-Lindy-Zart.pdfIn PDF document text
    • http://cefasfese.4pu.com/6730730738733/Unlit-Star-by-Lindy-Zart.pdfIn PDF document text
    • http://cefasfese.4pu.com/2733731736736733/Steady-as-the-Snow-Falls-by-Lindy-Zart.pdfIn PDF document text
    • http://cefasfese.4pu.com/1731732735732738738/Hurricane-Hex-Charmed-33-by-Diana-G-Gallagher.pdfIn PDF document text
    • http://cefasfese.4pu.com/2738737737735736/The-Power-of-Three-Charmed-1-by-Eliza-Willard.pdfIn PDF document text
    • http://cefasfese.4pu.com/3730734730730737/Charmed-and-Deadly-by-Candace-Havens.pdfIn PDF document text
    • http://cefasfese.4pu.com/7737737733736733/A-Charmed-Place-by-Antoinette-Stockenberg.pdfIn PDF document text
    • http://cefasfese.4pu.com/4738738736737739/Reluctantly-Charmed-by-Ellie-O-39-Neill.pdfIn PDF document text
    • http://cefasfese.4pu.com/3739735735736733/Reluctantly-Charmed-by-Ellie-O-39-Neill.pdfIn PDF document text
    • http://cefasfese.4pu.com/1738739733736739/Charmed-I-m-Sure-Halloween-LaVeau-4-by-Rose-Pressey.pdfIn PDF document text

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