Malicious PDF — malware analysis report

Static analysis result for SHA-256 f130279e530acfc2…

MALICIOUS

PDF

16.3 KB Created: 2019-05-02 05:34:01 +01:00 Authoring application: mPDF 5.7
MD5: c825ef7bed583140f78e37ab1064a29f SHA-1: c49561342c35ce6db97e422db7b31e6d41bceafc SHA-256: f130279e530acfc2b7632d409294610d7ac699ccd014c67a71da08535b357615
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious sites. While the ML classifier flagged it as malicious, the specific intent beyond link distribution is unclear due to the lack of executable content or clear malicious scripts. The heuristic PDF_SEO_LINK_FARM indicates a high volume of links, suggesting a potential distribution or redirection vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9811

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/6738739738736733/D-sarme-moi-Douce-Capitulation-tome-1-Collection-Fire-by-Caroline-Tillman.pdf
    • http://cefasfese.4pu.com/5735732730736735/ANNA-KARENINE-Texte-int-gral-tome-1-et-tome-2-Collection-TOLSTOI-t-3-by-Leo-Tolstoy.pdf
    • http://cefasfese.4pu.com/4732738730732736/Valerian-et-Laureline-english-version---Tome-1---Valerian---The-complete-collection-by-Pierre-Christin.pdf
    • http://cefasfese.4pu.com/5739731736737732/Les-origines-du-vivant-by-Roland-Douce.pdf
    • http://cefasfese.4pu.com/7735734730733730/Ouf-Je-respire-La-vie-douce-by-Philippe-Campignion.pdf
    • http://cefasfese.4pu.com/5739731736739735/aigre-douce-by-Cherilynn-Timar-Iresadet.pdf
    • http://cefasfese.4pu.com/2735732738730736/Caroline-s-Secret-Message-American-Girls-Caroline-2-by-Kathleen-Ernst.pdf
    • http://cefasfese.4pu.com/8735737737731736/C-est-arriv-un-jour-tome-1-Editions-1---Collection-Pierre-Bellemare-by-Pierre-Bellemare.pdf
    • http://cefasfese.4pu.com/2731734731739/What-Would-Lynne-Tillman-Do-by-Lynne-Tillman.pdf
    • http://cefasfese.4pu.com/3731733735735739/You-re-Here-for-a-Reason-by-Nancy-Tillman.pdf
    • http://cefasfese.4pu.com/1730733735739730738/I-d-Know-You-Anywhere-My-Love-by-Nancy-Tillman.pdf
    • http://cefasfese.4pu.com/6732738737733736/Men-and-Apparitions-by-Lynne-Tillman.pdf
    • http://cefasfese.4pu.com/4733736733736735/Where-Men-Win-Glory-The-Odyssey-of-Pat-Tillman-by-Jon-Krakauer.pdf
    • http://cefasfese.4pu.com/2731737731737/No-Lease-on-Life-by-Lynne-Tillman.pdf
    • http://cefasfese.4pu.com/9730736738734/Where-Men-Win-Glory-The-Odyssey-of-Pat-Tillman-by-Jon-Krakauer.pdf
    • http://cefasfese.4pu.com/4732735738735739/Where-Men-Win-Glory-The-Odyssey-of-Pat-Tillman-by-Jon-Krakauer.pdf
    • http://cefasfese.4pu.com/5734739736730/Temporary-Partner-by-Nicole-Tillman.pdf
    • http://cefasfese.4pu.com/3739734737735730/The-Heaven-of-Animals-by-Nancy-Tillman.pdf
    • http://cefasfese.4pu.com/1734736734732736/The-Rosie-Effect-Don-Tillman-2-by-Graeme-Simsion.pdf
    • http://cefasfese.4pu.com/1730733732739/The-Rosie-Project-Don-Tillman-1-by-Graeme-Simsion.pdf
    • http://cefasfese.4pu.com/2735732738730736/Caroline-s-Secret-Message-A

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