Malicious PDF — malware analysis report

Static analysis result for SHA-256 c40df71c4961676a…

MALICIOUS

PDF

15.3 KB Created: 2019-05-03 06:26:24 +01:00 Authoring application: mPDF 5.7
MD5: 8f24f1d51e7998823aeaff54a5ed18e6 SHA-1: 19b35dcc53e2fa57f8c68e5f0eb14fe25528ad29 SHA-256: c40df71c4961676a8f0fceea6f1f389b4bdd1a6717f4d1aa65ce138071b69ed3
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded links to external PDF files, all hosted on the same suspicious domain. This technique is often used to inflate search engine rankings or to distribute malicious content. No scripts were extracted from this sample, and the document body was unreadable. The primary IOCs are the URLs pointing to the linked PDFs.

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/4733731731732737/House-of-Wolves-An-August-Adams-Adventure-2-by-Matt-Bronleewe.pdf
    • http://cefasfese.4pu.com/8731731733739737/The-Wolf-s-Den-Book-Two-of-The-Somber-Wolves-Saga-by-Matt-Honorato.pdf
    • http://cefasfese.4pu.com/2736730734732/Lightspeed-Magazine-August-2012-by-John-Joseph-Adams.pdf
    • http://cefasfese.4pu.com/1731736731736739735/Roadkill-A-Jim-Kowalksi-Adventure-by-Matt-Fillbach.pdf
    • http://cefasfese.4pu.com/3736737736736732/Mark-and-Matt-The-Farmhouse-Adventure-book-1-by-Laurie-Jackson.pdf
    • http://cefasfese.4pu.com/4731735737730/The-Accidental-Hero-Jack-Blank-Adventure-1-by-Matt-Myklusch.pdf
    • http://cefasfese.4pu.com/1730732730730733738/House-Rules-Monopoly-Wild-West-by-August-V-Fahren.pdf
    • http://cefasfese.4pu.com/4738734735730731/A-House-in-the-Country-by-Matt-Shaw.pdf
    • http://cefasfese.4pu.com/3739736733739/Set-This-House-in-Order-by-Matt-Ruff.pdf
    • http://cefasfese.4pu.com/1737735730735731/Ghosts-of-Manor-House-by-Matt-Powers.pdf
    • http://cefasfese.4pu.com/3737730732733732/In-the-House-Upon-the-Dirt-Between-the-Lake-and-the-Woods-by-Matt-Bell.pdf
    • http://cefasfese.4pu.com/3731738731735730/Ghosts-and-Girls-of-Fiction-House-by-Matt-Baker.pdf
    • http://cefasfese.4pu.com/9739736739732731/The-Emerald-Scepter-Matinicus-quot-Matt-quot-Hawkins-Adventure-1-by-Paul-Kemprecos.pdf
    • http://cefasfese.4pu.com/4734738737733732/House-of-the-Hidden-Places-the-Book-of-the-Master-by-W-Marsham-Adams.pdf
    • http://cefasfese.4pu.com/1731738732732736731/Mystery-of-the-Chinese-Ring-A-Biff-Brewster-Mystery-Adventure-by-Andy-Adams.pdf
    • http://cefasfese.4pu.com/1737731738738735/August-Heat-Men-of-August-4-by-Lora-Leigh.pdf
    • http://cefasfese.4pu.com/4738730735738738/A-Cougar-Among-Wolves-Black-Hills-Wolves-45-by-Kali-Willows.pdf
    • http://cefasfese.4pu.com/2733736734738736/The-Wolves-of-Willoughby-Chase-The-Wolves-Chronicles-1-by-Joan-Aiken.pdf
    • http://cefasfese.4pu.com/4736732731739739/The-Wolves-of-Willoughby-Chase-The-Wolves-Chronicles-1-by-Joan-Aiken.pdf
    • http://cefasfese.4pu.com/5735730739734736/The-Ultimate-Tree-House-Project-Project-Kids-Adventure-1-by-Gary-M-Nelson.pdf
    • http://cefasfese.4pu.com/3737730732733732/In-the-House-Upon-the-D

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