Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc44a8ab31d14558…

MALICIOUS

PDF

20.2 KB Created: 2019-05-02 05:48:19 +01:00 Authoring application: mPDF 5.7
MD5: 4b690d048bf97157e4643fea66b78a5c SHA-1: 3052fce7a3c018f120fa0904fc2ff2ab9d210b45 SHA-256: fc44a8ab31d145580f0d549267b55c7d89891f048728429ff783f0adc64fbc39
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded links pointing to external PDF documents hosted on the domain 'cefasfese.4pu.com'. This behavior is indicative of a link farm or SEO poisoning attack, designed to drive traffic to specific content or potentially malicious sites. While the extracted URLs are currently marked as benign, the sheer volume and suspicious domain suggest a malicious intent to obfuscate the true purpose or to serve as a distribution point for further malicious content. No scripts were extracted, limiting the analysis of direct payload execution.

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/7734731738736733/The-Cordwainers-and-Corvesors-of-Oxford-by-J-Wilson-from-the-Arch-Journal-by-John-Wilson.pdf
    • http://cefasfese.4pu.com/4739734734736735/Edward-Wilson-s-Nature-Notebooks-by-David-M-Wilson.pdf
    • http://cefasfese.4pu.com/4730734735730732/Edward-Wilson-s-Antarctic-Notebooks-by-David-M-Wilson.pdf
    • http://cefasfese.4pu.com/7730733733738733/Doric-Wilson-s-Street-Theater-The-Twenty-Seventh-of-June-1969-in-Two-Acts-The-JH-Press-gay-play-script-series-by-Doric-Wilson.pdf
    • http://cefasfese.4pu.com/4733732736739732/And-in-the-Morning-by-John-Wilson.pdf
    • http://cefasfese.4pu.com/8733736732738735/Lost-Cause-Steve-1-Seven-2-by-John-Wilson.pdf
    • http://cefasfese.4pu.com/7737733732736734/History-of-the-Guillotine-by-John-Wilson-Croker.pdf
    • http://cefasfese.4pu.com/5733734739730736/Dreaming-to-Some-Purpose-The-Autobiography-of-Colin-Wilson-by-Colin-Wilson.pdf
    • http://cefasfese.4pu.com/9735732730731/Of-Life-Love-and-Family-by-John-Tracy-Wilson.pdf
    • http://cefasfese.4pu.com/1739732739736732/Rhapsody-in-Blood-Benjamin-Justice-7-by-John-Morgan-Wilson.pdf
    • http://cefasfese.4pu.com/1736737733738733/Righting-Wrongs-The-Story-of-Norman-Bethune-by-John-Wilson.pdf
    • http://cefasfese.4pu.com/8731732736739736/Mr-Wilson-s-War-From-the-Assassination-of-McKinley-to-the-Defeat-of-the-League-of-Nations-by-John-Dos-Passos.pdf
    • http://cefasfese.4pu.com/4738731733738738/The-Jacqueline-Wilson-Christmas-Cracker-by-Jacqueline-Wilson.pdf
    • http://cefasfese.4pu.com/5736739737737735/Everything-I-Know-I-Learned-In-The-Movies-A-Compilation-Of-Cliche-s-And-Un-Truisms-Gleaned-From-A-Lifetime-Spent-Entirely-Too-Much-In-The-Dark-by-John-J-B-Wilson.pdf
    • http://cefasfese.4pu.com/1739731737737734/The-Puppet-Masters-Spies-Traitors-and-the-Real-Forces-Behind-World-Events-by-John-Hughes-Wilson.pdf
    • http://cefasfese.4pu.com/5737735738739730/The-World-of-Jacqueline-Wilson-by-Jacqueline-Wilson.pdf
    • http://cefasfese.4pu.com/5737735738737736/Jacqueline-Wilson-s-Superstars-by-Jacqueline-Wilson.pdf
    • http://cefasfese.4pu.com/3731739736739731/Simple-Justice-Benjamin-Justice-1-by-John-Morgan-Wilson.pdf
    • http://cefasfese.4pu.com/1736734737730/Simple-Justice-Benjamin-Justice-1-by-John-Morgan-Wilson.pdf
    • http://cefasfese.4pu.com/6735732732737731/The-Arch-Conjuror-of-England-John-Dee-by-Glyn-Parry.pdf
    • http://cefasfese.4pu.com/1739732739736732/R