Malicious PDF — malware analysis report

Static analysis result for SHA-256 7684493ce553b587…

MALICIOUS

PDF

15.0 KB Created: 2019-04-30 03:01:17 +01:00 Authoring application: mPDF 5.7
MD5: 2b81ab5499b2ba44c0df2cf5eb2b8f9a SHA-1: 4fd5bd312ceb59b483fbb24428579fb35e05d2a0 SHA-256: 7684493ce553b58722bac73f1eec5f30b913821fb7d73b8c837da8a18284c9a9
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified as a link farm, which is a common technique for distributing malicious content or redirecting users to phishing sites. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were extracted, the presence of numerous external links suggests an attempt to trick users into downloading further payloads or visiting malicious websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

Heuristics 3

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://muicuiu.dumb1.com/4a07a01a00a02a07/The-Devil-To-Pay-Bewitch-the-Dark-4-by-Michele-Hauf.pdf
    • http://muicuiu.dumb1.com/4a04a05a02a09a05/Follow-the-Night-Bewitch-the-Dark-0-5-by-Michele-Hauf.pdf
    • http://muicuiu.dumb1.com/3a04a03a00a01a07/Dark-Rapture-Beautiful-Creatures-1-2-by-Michele-Hauf.pdf
    • http://muicuiu.dumb1.com/2a03a04a08a03a00/Kiss-Me-Deadly-Bewitching-the-Dark-2-by-Michele-Hauf.pdf
    • http://muicuiu.dumb1.com/3a01a07a02a05a00/Seraphim-Changelings-1-by-Michele-Hauf.pdf
    • http://muicuiu.dumb1.com/2a00a00a03a02a00/Seducing-the-Vampire-by-Michele-Hauf.pdf
    • http://muicuiu.dumb1.com/2a09a05a04a07a08/Midnight-Cravings-by-Michele-Hauf.pdf
    • http://muicuiu.dumb1.com/1a08a09a01a04a03/The-Vampire-s-Protector-by-Michele-Hauf.pdf
    • http://muicuiu.dumb1.com/4a04a05a02a09a02/This-Glamorous-Evil-by-Michele-Hauf.pdf
    • http://muicuiu.dumb1.com/2a05a01a07a08/Moonlight-and-Diamonds-by-Michele-Hauf.pdf
    • http://muicuiu.dumb1.com/4a04a05a04a03a09/My-Lady-Madness-by-Michele-Hauf.pdf
    • http://muicuiu.dumb1.com/1a08a09a01a09a00/Her-Werewolf-Hero-Harlequin-Nocturne-by-Michele-Hauf.pdf
    • http://muicuiu.dumb1.com/1a07a03a07a07a00/Playing-with-Fire-Of-Angels-and-Demons-3-5-by-Michele-Hauf.pdf
    • http://muicuiu.dumb1.com/5a07a06a06a00a06/D-sirs-nocturnes-L-int-grale-de-la-s-rie-by-Michele-Hauf.pdf
    • http://muicuiu.dumb1.com/1a08a08a07a03a09/Beautiful-Danger-In-the-Company-of-Vampires-1-by-Michele-Hauf.pdf
    • http://muicuiu.dumb1.com/1a07a03a07a06a09/The-Ninja-Vampire-s-Girl-Of-Angels-and-Demons-2-5-by-Michele-Hauf.pdf
    • http://muicuiu.dumb1.com/2a03a09a07a00a05/Winter-Kissed-A-Kiss-of-Frost-Ice-Bound-by-Michele-Hauf.pdf
    • http://muicuiu.dumb1.com/1a07a03a07a06a08/Vacation-with-a-Vampire-Stay-Vivi-and-the-Vampire-Island-Vacation-by-Michele-Hauf.pdf
    • http://muicuiu.dumb1.com/8a06a05a07a08a04/Devil-s-Daughter-Lucinda-s-Pawnshop-1-by-Hope-Schenk-de-Michele.pdf
    • http://muicuiu.dumb1.com/3a03a09a05a05/Devil-May-Cry-Dark-Hunter-11-by-Sherrilyn-Kenyon.pdf

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