Malicious PDF — malware analysis report

Static analysis result for SHA-256 544783bb19f646c5…

MALICIOUS

PDF

15.6 KB Created: 2019-05-03 17:32:47 +01:00 Authoring application: mPDF 5.7
MD5: 88ee9bdb312aeb6a07a7015cf920a0fa SHA-1: 45b8c5721f83b6f5c72b2448b965de8d98e3a98c SHA-256: 544783bb19f646c57156f34adb4b350a83375b1490df3118965db8a1769801af
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded links to external PDF documents, all hosted on the domain 'cefasfese.4pu.com'. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. While no scripts were extracted, the PDF structure and the sheer volume of links suggest an attempt to direct users to potentially harmful content, possibly for SEO manipulation or to host malware. The heuristic 'PDF_SEO_LINK_FARM' strongly supports this assessment.

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/3731736737737739/Shadow-Blood-Witch-Fairy-4-by-Bonnie-Lamer.pdf
    • http://cefasfese.4pu.com/4738733734735733/Shadow-Blood-Kallen-s-Tale-Witch-Fairy-4-5-by-Bonnie-Lamer.pdf
    • http://cefasfese.4pu.com/1730738734732732731/Then-the-Tooth-Fairy-Won-t-Come-by-Bonnie-Ferrante.pdf
    • http://cefasfese.4pu.com/4736735730734736/The-Witch-of-Agnesi-Bonnie-Pinkwater-Mystery-1-by-Robert-Spiller.pdf
    • http://cefasfese.4pu.com/4735733730730/The-Shadow-of-the-Bear-A-Fairy-Tale-Retold-1-by-Regina-Doman.pdf
    • http://cefasfese.4pu.com/8734732732732735/In-the-Shadow-of-Salem-The-Andover-Witch-Hunt-of-1692-by-Richard-Hite.pdf
    • http://cefasfese.4pu.com/4732739733730/Falling-Blood-of-the-Witch-by-Emma-Dask.pdf
    • http://cefasfese.4pu.com/4739732737733735/The-Shadow-Walkers-Ghost-Series-Books-1-3-Lost-in-Shadow-Desired-by-Shadow-Iced-in-Shadow-by-Cynthia-Luhrs.pdf
    • http://cefasfese.4pu.com/2738733733731735/Under-a-Blood-Moon-Death-Witch-1-by-Rachel-Graves.pdf
    • http://cefasfese.4pu.com/1736738730738732/Blood-Smoke-and-Mirrors-Bad-Witch-1-by-Robyn-Bachar.pdf
    • http://cefasfese.4pu.com/1736736732739736/Blood-Rush-Lost-Witch-2-by-Katie-Lee-O-39-Guinn.pdf
    • http://cefasfese.4pu.com/5732739733735/The-Blood-Maker-and-the-Witch-s-Curse-by-Jaromy-Henry.pdf
    • http://cefasfese.4pu.com/2733739739739738/Witch-s-Wrath-Blood-and-Magick-3-by-Katerina-Martinez.pdf
    • http://cefasfese.4pu.com/4736738738738734/Binding-Magick-The-Witch-Blood-Chronicles-1-by-Debbie-Cassidy.pdf
    • http://cefasfese.4pu.com/3736731730734734/The-Book-of-Blood-and-Shadow-by-Robin-Wasserman.pdf
    • http://cefasfese.4pu.com/5738738732734731/Shadow-of-the-Avatar-Savant-s-Blood-1-by-Will-Greenway.pdf
    • http://cefasfese.4pu.com/2734733737730730/The-Shadow-amp-the-Blood-Assassin-by-Angelo-Tsanatelis.pdf
    • http://cefasfese.4pu.com/8734730735737/When-Blood-Calls-The-Shadow-Keepers-1-by-J-K-Beck.pdf
    • http://cefasfese.4pu.com/1737737731734733/The-Book-of-Blood-and-Shadow-by-Robin-Wasserman.pdf
    • http://cefasfese.4pu.com/7734734733730/Blood-Song-Raven-s-Shadow-1-by-Anthony-Ryan.pdf

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