Malicious PDF — malware analysis report

Static analysis result for SHA-256 1450b44387d45cc2…

MALICIOUS

PDF

12.7 KB Created: 2019-04-30 03:20:55 +01:00 Authoring application: mPDF 5.7
MD5: 041995c4a04bb01b923b0894d5f21db7 SHA-1: 96b05e2dd2d82db41aa49ce95687f61695c64cf6 SHA-256: 1450b44387d45cc20f8233fa03180b2845d9f5a7a25c86544ba7bccf1ecdcdce
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, which strongly suggests a link farm or SEO poisoning attack. While the document body is heavily obfuscated, the presence of numerous external links points towards an attempt to redirect users to potentially malicious content. No scripts were extracted, but the structure of the PDF and the embedded links are indicative of a phishing or redirection scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8905

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.net/2099098092094095/Never-Cry-Wolf-by-Farley-Mowat.pdf
    • http://loaminoo.linkpc.net/1099090093093093/Never-Cry-Wolf-by-Farley-Mowat.pdf
    • http://loaminoo.linkpc.net/3097090098098/Never-Cry-Wolf-by-Farley-Mowat.pdf
    • http://loaminoo.linkpc.net/3096095090096094/Sea-of-Slaughter-by-Farley-Mowat.pdf
    • http://loaminoo.linkpc.net/1092095098090094/The-Serpent-s-Coil-by-Farley-Mowat.pdf
    • http://loaminoo.linkpc.net/8095094092099/Owls-in-the-Family-by-Farley-Mowat.pdf
    • http://loaminoo.linkpc.net/2093093094097095/A-Whale-for-the-Killing-by-Farley-Mowat.pdf
    • http://loaminoo.linkpc.net/8094099096099090/The-Alban-Quest-by-Farley-Mowat.pdf
    • http://loaminoo.linkpc.net/1092091091098091/The-Grey-Seas-Under-The-Perilous-Rescue-Mission-of-a-N-A-Salvage-Tug-by-Farley-Mowat.pdf
    • http://loaminoo.linkpc.net/2097094091091095/Road-to-Deer-Run-Deer-Run-Saga-1-by-Elaine-Marie-Cooper.pdf
    • http://loaminoo.linkpc.net/2097098096092096/The-Promise-of-Deer-Run-Deer-Run-Saga-2-by-Elaine-Marie-Cooper.pdf
    • http://loaminoo.linkpc.net/5099095091094095/Dracula-by-Diane-Mowat.pdf
    • http://loaminoo.linkpc.net/8090095092097/The-Monkey-s-Paw-Oxford-Bookworms-by-Diane-Mowat.pdf
    • http://loaminoo.linkpc.net/1091098094092098095/A-Morbid-Taste-for-Bones-by-Diane-Mowat.pdf
    • http://loaminoo.linkpc.net/9097097097093098/Death-of-an-Englishman-Oxford-Bookworms-Stage-4-by-Diane-Mowat.pdf
    • http://loaminoo.linkpc.net/4093093092093098/Stones-by-Ruby-Standing-Deer.pdf
    • http://loaminoo.linkpc.net/2098094093092/The-Man-Who-Killed-the-Deer-by-Frank-Waters.pdf
    • http://loaminoo.linkpc.net/2099093090093098/The-Deer-Effect-by-Susan-Wingate.pdf
    • http://loaminoo.linkpc.net/6092096091091097/Spirals-by-Ruby-Standing-Deer.pdf
    • http://loaminoo.linkpc.net/6096090098091094/The-Deer-Hunter-by-Jerrold-Mundis.pdf