Malicious PDF — malware analysis report

Static analysis result for SHA-256 4b52ab08bc350694…

MALICIOUS

PDF

17.3 KB Created: 2019-05-07 04:25:07 +01:00 Authoring application: mPDF 5.7
MD5: 3f318b8903d9093e4adfd8ae05320df2 SHA-1: 42472b5adecd91c313277a005dcf649aca7ec6ac SHA-256: 4b52ab08bc350694e626ad9542258bed8e0c82096f03fbebe69e8c39676a1374
60 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. While many of these links point to benign content, the sheer volume and the nature of the heuristic suggest a malicious intent, possibly for SEO manipulation or to distribute malware. No scripts were extracted from this sample. The primary IOCs are the embedded URLs, which are likely used to direct users to malicious sites.

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://loaminoo.linkpc
    • http://loaminoo.linkpc.net/3091097097090090/Do-Cats-Think-Notes-of-a-Cat-Watcher-by-Paul-Corey.pdf
    • http://loaminoo.linkpc.net/2093096095097/The-Medusa-and-the-Snail-More-Notes-of-a-Biology-Watcher-by-Lewis-Thomas.pdf
    • http://loaminoo.linkpc.net/2099094099099096/Hilda---Cats-by-Paul-Kater.pdf
    • http://loaminoo.linkpc.net/3091096093096099/The-Silent-Miaow-A-Manual-for-Kittens-Strays-and-Homeless-Cats-by-Paul-Gallico.pdf
    • http://loaminoo.linkpc.net/1090096096090092097/The-Cats-Came-Back-A-Magical-Cats-Mystery-10-by-Sofie-Kelly.pdf
    • http://loaminoo.linkpc.net/2098094091093091/Two-Cats-and-the-Woman-They-Own-or-Lessons-I-Learned-from-My-Cats-by-Patti-Davis.pdf
    • http://loaminoo.linkpc.net/3091098094093094/Cats-24-7-Extraordinary-Photographs-of-Wonderful-Cats-by-Rick-Smolan.pdf
    • http://loaminoo.linkpc.net/4094095093099092/Particularly-Cats-and-More-Cats-by-Doris-Lessing.pdf
    • http://loaminoo.linkpc.net/5098091095097094/Cats-as-Cats-Can-by-Tomi-Ungerer.pdf
    • http://loaminoo.linkpc.net/9099099094094096/Notes-from-Hampstead-The-Writer-s-Notes-1954-1971-by-Elias-Canetti.pdf
    • http://loaminoo.linkpc.net/3090093092097093/Prince-of-Dorkness-More-Notes-from-a-Totally-Lame-Vampire-Notes-2-by-Tim-Collins.pdf
    • http://loaminoo.linkpc.net/9094091099091094/Notes-on-a-Rebellion-Notes-from-Random-Knight-1-by-Valentina-Hepburn.pdf
    • http://loaminoo.linkpc.net/1092095096091098/Notes-on-a-Rebellion-Notes-from-Random-Knight-1-by-Valentina-Hepburn.pdf
    • http://loaminoo.linkpc.net/4096091090090094/ESSENTIAL-OILS-FOR-CATS-Uncommon-Ways-To-Safely-Use-Cat-Essential-Oils-With-Natural-Cat-Remedies-For-Optimal-Health-Aromatherapy-For-Cats-by-Tonny-M-Ford.pdf
    • http://loaminoo.linkpc.net/9097097097094093/Luise-Haushofer-s-Jail-Notes-Her-Recollections-of-Life-in-Nazi-Confinement-with-Letters-Exchanged-Between-Karl-Haushofer-and-Paul-Renner-by-Luise-Haushofer.pdf
    • http://loaminoo.linkpc.net/4092097099094098/The-Watcher-by-James-Howe.pdf
    • http://loaminoo.linkpc.net/4091094097094099/The-Watcher-by-Tara-Crescent.pdf
    • http://loaminoo.linkpc.net/1091097097094098090/Carbon-Watcher-2-by-A-J-Eversley.pdf
    • http://loaminoo.linkpc.net/1096095096096/The-Watcher-by-Kay-Nolte-Smith.pdf
    • http://loaminoo.linkpc.net/5094094091092091/F-Scott-Fitzgerald-s-the-Great-Gatsby-Monarch-Notes-by-Monarch-Notes.pdf

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