Malicious PDF — malware analysis report

Static analysis result for SHA-256 dfc68ba96e87cf0c…

MALICIOUS

PDF

14.7 KB Created: 2020-03-18 16:39:35 +00:00 Authoring application: mPDF 5.7
MD5: 4c2bced02f8a9b70bc6b9e3c47ca49a7 SHA-1: cb4223e0a714f847eb88d46f666987ee8948367a SHA-256: dfc68ba96e87cf0c437a18d054204623c0b4df2fa5a0ead923447074358dc80a
60 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. These URLs point to external book-related PDFs hosted on the domain easckaolp.myhome.cx. The document body is heavily obfuscated but contains these same URLs. This suggests the primary purpose is to drive traffic to these external sites, potentially for SEO manipulation or to host further malicious content.

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://easckaolp.myhome.cx/3844841842842840/A-Sky-Full-of-Stars-The-Shaughnessy-Brothers-5-by-Samantha-Chase.pdf
    • http://easckaolp.myhome.cx/3844841844849845/This-Is-Our-Song-The-Shaughnessy-Brothers-4-by-Samantha-Chase.pdf
    • http://easckaolp.myhome.cx/3848845845846847/Giving-Chase-Chase-Brothers-1-by-Lauren-Dane.pdf
    • http://easckaolp.myhome.cx/1842843843840849/Making-Chase-Chase-Brothers-4-by-Lauren-Dane.pdf
    • http://easckaolp.myhome.cx/3845844847841846/One-More-Moment-Band-on-the-Run-3-by-Samantha-Chase.pdf
    • http://easckaolp.myhome.cx/2842845840841848/The-Christmas-Cottage-Ever-After-by-Samantha-Chase.pdf
    • http://easckaolp.myhome.cx/2847841845849845/Full-Steam-Ahead-Sea-Swept-1-by-Valerie-Chase.pdf
    • http://easckaolp.myhome.cx/3840849840848840/Full-Steam-Ahead-Sea-Swept-1-by-Valerie-Chase.pdf
    • http://easckaolp.myhome.cx/8841849844849849/Christmas-On-Pointe-Silver-Bell-Falls-2-by-Samantha-Chase.pdf
    • http://easckaolp.myhome.cx/2840841848848840/Keep-the-Stars-Running-by-Samantha-M-Derr.pdf
    • http://easckaolp.myhome.cx/3841843844844846/Full-Dark-No-Stars-by-Stephen-King.pdf
    • http://easckaolp.myhome.cx/3843848847841842/A-Night-Sky-Full-of-Stars-by-Bealevon-Nolan.pdf
    • http://easckaolp.myhome.cx/3849846842846844/A-Sky-Full-of-Stars-Rose-Lee-Carter-2-by-Linda-Williams-Jackson.pdf
    • http://easckaolp.myhome.cx/3843843846840842/Alejandro-The-Santiago-Brothers-2-by-K-Victoria-Chase.pdf
    • http://easckaolp.myhome.cx/6841843842846843/London-Calling-Chase-Brothers-2-by-Nana-Malone.pdf
    • http://easckaolp.myhome.cx/3849843840844846/Lord-Perfect-Carsington-Brothers-3-by-Loretta-Chase.pdf
    • http://easckaolp.myhome.cx/6841843842844840/London-Bound-Chase-Brothers-1-by-Nana-Malone.pdf
    • http://easckaolp.myhome.cx/2840845848842845/Love-in-Exile-Brothers-in-Arms-6-by-Samantha-Kane.pdf
    • http://easckaolp.myhome.cx/5846846848845847/Sinful-Liaisons-Cynfell-Brothers-3-by-Samantha-Holt.pdf
    • http://easckaolp.myhome.cx/1844848843840849/At-Love-s-Command-Brothers-in-Arms-4-by-Samantha-Kane.pdf
    • http://easckaolp.myhome.cx/384384884784

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