Malicious PDF — malware analysis report

Static analysis result for SHA-256 9109945ab9a2f95e…

MALICIOUS

PDF

18.0 KB Created: 2019-05-02 05:07:59 +01:00 Authoring application: mPDF 5.7
MD5: 8ff2156f029fe24be3cd71663bee3308 SHA-1: 93cf1ecf1b079657041c599f14d4f1d1b234dc5d SHA-256: 9109945ab9a2f95e4d1d9d2b26fe6944a1b8e67e03109f10b2e26f56fb6143de
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file exhibits a critical heuristic firing for PDF_SEO_LINK_FARM, indicating a large number of embedded external links. The document body confirms the presence of these links, which are likely used for SEO manipulation or to distribute further malicious content. While no scripts were extracted, the sheer volume of links suggests a malicious intent to redirect users to potentially harmful sites. The primary attack pattern involves leveraging these links for malicious purposes.

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/4732736737737737/Mr-Wrigley-s-Ball-Club-Chicago-and-the-Cubs-during-the-Jazz-Age-by-Roberts-Ehrgott.pdf
    • http://cefasfese.4pu.com/9731738734730730/The-Chicago-Cubs-Story-of-a-Curse-by-Rich-Cohen.pdf
    • http://cefasfese.4pu.com/9737731735733739/The-Chicago-Cubs-An-Illustrated-History-by-Donald-Honig.pdf
    • http://cefasfese.4pu.com/7730732736733732/Miracle-Collapse-The-1969-Chicago-Cubs-by-Doug-Feldmann.pdf
    • http://cefasfese.4pu.com/3730735734734738/Wrigleyville-A-Magical-History-Tour-of-the-Chicago-Cubs-by-Peter-Golenbock.pdf
    • http://cefasfese.4pu.com/7732738732734731/The-Mainieri-Factor-Promoting-Baseball-with-a-Passion-from-Miami-Dade-to-Notre-Dame-Lsu-and-the-Chicago-Cubs-by-Demie-Mainieri.pdf
    • http://cefasfese.4pu.com/1731730738733732/Dinosaur-Jazz-The-Jurassic-Club-1-by-Michael-Panush.pdf
    • http://cefasfese.4pu.com/1731730730738733739/Keystone-Korner-Portrait-of-a-Jazz-Club-by-Kathy-Sloane.pdf
    • http://cefasfese.4pu.com/4737735731736733/Touched-by-a-Dom-Club-El-Diablo-3-by-Holly-S-Roberts.pdf
    • http://cefasfese.4pu.com/9736737732731738/Where-is-Jazz-D-nde-est-Jazz-by-Mar-a-Luisa-Retana.pdf
    • http://cefasfese.4pu.com/6735730733736/Being-Jazz-My-Life-as-a-Transgender-Teen-by-Jazz-Jennings.pdf
    • http://cefasfese.4pu.com/2737733735731733/Being-Jazz-My-Life-as-a-Transgender-Teen-by-Jazz-Jennings.pdf
    • http://cefasfese.4pu.com/1731736737731737735/Chicago-by-Gaslight-A-History-of-Chicago-s-Netherworld-1880-1920-by-Richard-Lindberg.pdf
    • http://cefasfese.4pu.com/6732730736738736/The-Gangs-of-Chicago-An-Informal-History-of-the-Chicago-Underworld-by-Herbert-Asbury.pdf
    • http://cefasfese.4pu.com/1731738736734737730/Ball-Four-Plus-Ball-Five-An-Update-1970-1980-by-Jim-Bouton.pdf
    • http://cefasfese.4pu.com/1731731736739733731/The-Shadow-of-Asgard-Mesopotamia-Tiamat-Book-1-by-Ashley-Wrigley.pdf
    • http://cefasfese.4pu.com/9735734736735734/Chicago-Volume-2-Chicago-2-by-Yumi-Tamura.pdf
    • http://cefasfese.4pu.com/7732738734738735/Trompe-L-Oeil-Murals-and-Decorative-Wall-Painting-by-Lynette-Wrigley.pdf
    • http://cefasfese.4pu.com/5736737737731739/Dragon-Ball-Vol-8-Taopaipai-and-Master-Karin-Dragon-Ball-8-by-Akira-Toriyama.pdf
    • http://cefasfese.4pu.com/3732733734738737/Dragon-Ball-Z-Vol-12-Enter-Trunks-Dragon-Ball-Z-12-by-Akira-Toriyama.pdf
    • http://cefasfese.4pu.com/6735730733736/Being-Jazz-My-Life-as-a-T

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