Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa9c00d00f705367…

MALICIOUS

PDF

14.8 KB Created: 2019-05-02 05:39:58 +01:00 Authoring application: mPDF 5.7
MD5: c24bb2ef54839b596997c76821e729c9 SHA-1: 9b90b1414d89a440bfd8c7dee6c2eff047b0bfd0 SHA-256: fa9c00d00f7053679c57cddbd7503410cdc186948f6cf39936bd0d939356a5a2
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, a technique often used for SEO poisoning to lure users to malicious sites. The ML classifier strongly indicated maliciousness. While no scripts were extracted, the PDF structure and URL distribution suggest a malicious intent to redirect users, likely to a site hosting further malware or phishing content.

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/4736731730730736/Deja-Demon-Demon-Hunting-Soccer-Mom-4-by-Julie-Kenner.pdf
    • http://cefasfese.4pu.com/2733732739739739/Deja-Demon-Demon-Hunting-Soccer-Mom-4-by-Julie-Kenner.pdf
    • http://cefasfese.4pu.com/1732730736732/California-Demon-Demon-Hunting-Soccer-Mom-2-by-Julie-Kenner.pdf
    • http://cefasfese.4pu.com/4732735737735737/The-Demon-You-Know-Demon-Hunting-Soccer-Mom-4-5-by-Julie-Kenner.pdf
    • http://cefasfese.4pu.com/2738732730736739/Demon-Hunting-in-Dixie-Demon-Hunting-1-by-Lexi-George.pdf
    • http://cefasfese.4pu.com/4738731731735734/Demon-Hunting-With-a-Dixie-Deb-Demon-Hunting-4-by-Lexi-George.pdf
    • http://cefasfese.4pu.com/1731730736737731730/Matched-with-the-Demon-Demon-Marked-Book-1-by-Ripley-Proserpina.pdf
    • http://cefasfese.4pu.com/2738737732737732/Demon-s-Fire-Tale-of-the-Demon-World-6-by-Emma-Holly.pdf
    • http://cefasfese.4pu.com/1739737737734734/The-Demon-Always-Wins-Touched-by-a-Demon-1-by-Jeanne-Oates-Estridge.pdf
    • http://cefasfese.4pu.com/1734737732730732/Black-Widow-Demon-Demon-Outlaws-2-by-Paula-Altenburg.pdf
    • http://cefasfese.4pu.com/1734736739738733/The-Demon-Creed-Demon-Outlaws-3-by-Paula-Altenburg.pdf
    • http://cefasfese.4pu.com/1734737732739735/The-Demon-s-Daughter-Demon-Outlaws-1-by-Paula-Altenburg.pdf
    • http://cefasfese.4pu.com/3739735734735736/My-Demon-Determined-My-Demon-Trilogy-2-by-Alicia-Dawn.pdf
    • http://cefasfese.4pu.com/2738733737737731/Demon-Driven-Demon-Accords-2-by-John-Conroe.pdf
    • http://cefasfese.4pu.com/1735734739734739/The-Demon-Calumnius-The-Repentant-Demon-1-by-Samantha-Johns.pdf
    • http://cefasfese.4pu.com/1733733737732737/Demon-s-Dream-High-Demon-6-by-Connie-Suttle.pdf
    • http://cefasfese.4pu.com/2730737736738736/Last-of-the-Demon-Slayers-Demon-Slayer-4-by-Angie-Fox.pdf
    • http://cefasfese.4pu.com/4730734734735733/Demon-Soul-Untamed-1-by-Julie-Anne-Addicott.pdf
    • http://cefasfese.4pu.com/4735739734730735/Every-Demon-Has-His-Day-Demon-1-by-Cara-Lockwood.pdf
    • http://cefasfese.4pu.com/7730735730738/BONES-OF-THE-DEMON-KING-Demon-King-Series-Book-1-by-S-E-Grayson.pdf

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