Malicious PDF — malware analysis report

Static analysis result for SHA-256 1fcb9b9a22b9a791…

MALICIOUS

PDF

12.9 KB Created: 2019-04-30 02:07:13 +01:00 Authoring application: mPDF 5.7
MD5: 83cb59410d6058ed1fedd22abba91596 SHA-1: 5d09013ebd798636086407ef5d3e4a596f05b076 SHA-256: 1fcb9b9a22b9a791ae99eebaf8e11199e66176925dc60d1fafba8b3325ba679b
60 Risk Score

Malware Insights

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

The PDF document contains a heuristic firing for a link farm, with numerous embedded URLs pointing to external PDF files. While the URLs themselves are marked as benign, the sheer volume and structure suggest a malicious intent, possibly to obscure the true destination or to engage in SEO manipulation for malicious purposes. No scripts were extracted, and the document body was unreadable, limiting further analysis.

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/3099092090098098/Second-to-None-by-Rhyannon-Byrd.pdf
    • http://loaminoo.linkpc.net/3090098098096091/Take-Me-Under-Dangerous-Tides-1-by-Rhyannon-Byrd.pdf
    • http://loaminoo.linkpc.net/3090090094099090/Triple-Play-by-Rhyannon-Byrd.pdf
    • http://loaminoo.linkpc.net/1090090095092097096/Horn-of-the-Unicorn-by-Rhyannon-Byrd.pdf
    • http://loaminoo.linkpc.net/3092094095092092/Last-Wolf-Standing-Bloodrunners-1-by-Rhyannon-Byrd.pdf
    • http://loaminoo.linkpc.net/4092093097094091/Last-Wolf-Hunting-Bloodrunners-2-by-Rhyannon-Byrd.pdf
    • http://loaminoo.linkpc.net/2093092097093092/Keep-Me-Closer-Dangerous-Tides-2-by-Rhyannon-Byrd.pdf
    • http://loaminoo.linkpc.net/4093095095093099/Edge-of-Danger-Primal-Instinct-2-by-Rhyannon-Byrd.pdf
    • http://loaminoo.linkpc.net/3091091093090091/A-Bite-of-Magick-Magick-Men-2-by-Rhyannon-Byrd.pdf
    • http://loaminoo.linkpc.net/4093098092099092/Wall-to-Wall-From-Beijing-to-Berlin-by-Rail-by-Mary-Morris.pdf
    • http://loaminoo.linkpc.net/2095098099093/The-Wall-of-the-Sky-the-Wall-of-the-Eye-by-Jonathan-Lethem.pdf
    • http://loaminoo.linkpc.net/7095091097099/Against-the-Wall-Against-the-Wall-1-by-Julie-Prestsater.pdf
    • http://loaminoo.linkpc.net/4094093098091/The-Wall-and-the-Wing-Wall-and-the-Wing-1-by-Laura-Ruby.pdf
    • http://loaminoo.linkpc.net/1094090098098092/Byrd-by-Kim-Church.pdf
    • http://loaminoo.linkpc.net/1090096091095093095/Unforgettable-by-Adrianne-Byrd.pdf
    • http://loaminoo.linkpc.net/3099090098091091/She-s-My-Baby-by-Adrianne-Byrd.pdf
    • http://loaminoo.linkpc.net/2099091097093094/Chasing-Romeo-BFF-Novel-1-by-A-J-Byrd.pdf
    • http://loaminoo.linkpc.net/1091093094094094093/Amigo-by-Byrd-Baylor.pdf
    • http://loaminoo.linkpc.net/7090096094099/Hawk-I-m-Your-Brother-by-Byrd-Baylor.pdf
    • http://loaminoo.linkpc.net/1092091094097092/A-Taste-of-Eternity-by-Kevin-M-Byrd.pdf

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