Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd7f53553dce60a3…

MALICIOUS

PDF

17.7 KB Created: 2020-02-10 16:19:23 +00:00 Authoring application: mPDF 5.7
MD5: b3bd14397d7fbd2305aa0c0e3bc0822e SHA-1: 0ebe1f29a20e083428ebbd0bdb8e7291d4069458 SHA-256: dd7f53553dce60a33706ed55326cb82a290d778c49819b7107f3ef53ca63d21d
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, identified as a link farm. The ML classifier also flagged this PDF as malicious with high confidence. The primary attack pattern appears to be SEO manipulation or hosting malicious content via these numerous links. No scripts were extracted, limiting further analysis of direct payload execution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9788

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://ieuicufioao.myhome.cx/5550551556559558/Stop-the-Wedding-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/3555553554554550/Stop-the-Wedding-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/4556558554554552/Crash-Landing-Stop-The-Wedding-3-by-Lori-Wilde.pdf
    • http://ieuicufioao.myhome.cx/2553553553555554/Too-Hot-To-Sleep-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/5550551553551551/Three-Wishes-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/2558558554556557/Too-Hot-To-Sleep-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/3556554559553553/Got-Your-Number-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/3559550555559551/My-Favorite-Mistake-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/2551557552551555/Baby-Don-t-Go-Southern-Roads-3-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/1554558552559553/2-Bodies-for-the-Price-of-1-Body-Movers-2-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/2557550557555550/6-Killer-Bodies-Body-Movers-6-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/1557552553553556/Baby-Come-Home-Southern-Roads-2-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/9550555554553559/The-Emotionally-Abusive-Relationship-How-to-Stop-Being-Abused-and-How-to-Stop-Abusing-by-Beverly-Engel.pdf
    • http://ieuicufioao.myhome.cx/4557550556550559/His-Baby-Bond-Sacred-Bond-1-by-Lee-Tobin-McClain.pdf
    • http://ieuicufioao.myhome.cx/3554554557554557/Secret-Bond-Jamie-Bond-2-by-Gemma-Halliday.pdf
    • http://ieuicufioao.myhome.cx/3557556551558552/Make-Believe-Wedding-The-Great-Wedding-Giveaway-9-by-Sarah-Mayberry.pdf
    • http://ieuicufioao.myhome.cx/9554557554556559/STOP-ARGUING-HOW-TO-STOP-ARGUING-PROTECT-QUALITY-TIME-PREVENT-BICKERING-PRESERVE-LOVE-ENJOY-LIFE-DEALING-WITH-DIFFICULT-TALKS-AND-SITUATIONS-THAT-ARE-COMMON-IN-RELATIONSHIPS-by-C-J-Kruse.pdf
    • http://ieuicufioao.myhome.cx/1554558553551553/Body-Movers-Body-Movers-1-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/3557556551556559/Two-Guys-Detective-Agency-Two-Guys-Detective-Agency-1-by-Stephanie-Bond.pdf
    • http://ieuicufioao.myhome.cx/4550559555555552/Classic-Ruskin-Bond-Complete-amp-Unabridged-by-Ruskin-Bond.pdf

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