Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cc661999e06136b…

MALICIOUS

PDF

14.0 KB Created: 2019-05-06 23:54:11 +01:00 Authoring application: mPDF 5.7
MD5: e54ae6c271f8cea1d94d8b9858e0eac1 SHA-1: b5d168607d9dc8020ca50addaca8c1b9568cd8d2 SHA-256: 2cc661999e06136bfc1602dff3d625c18c3c94cd0cbcfdf8afadfe0a17d6f329
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, indicating a link farm strategy. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the sheer volume of links suggests an attempt to manipulate search engine results or redirect users to potentially harmful content. The primary attack pattern observed is the creation of a link farm within the PDF document.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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/3092092092092091/The-Soldier-and-the-State-Trooper-The-Soldier-and-1-by-Cherie-Noel.pdf
    • http://loaminoo.linkpc.net/2091093092090094/The-Winter-Soldier-Soldier-of-Fortune-5-amp-Long-Tall-Texans-38-by-Diana-Palmer.pdf
    • http://loaminoo.linkpc.net/2091099098091092/Dear-Soldier-With-Love-II-A-Lost-Soldier-Named-Grey-by-Tarian-P-S-.pdf
    • http://loaminoo.linkpc.net/7096097094091094/Soldier-of-Zion-Short-Stories-by-an-Ex-Soldier-by-Solomon-Gabriel-Azoulai.pdf
    • http://loaminoo.linkpc.net/6094090097096/Soldier-In-The-Yellow-Socks-Charles-Upham---Our-Finest-Fighting-Soldier-by-Janice-Marriott.pdf
    • http://loaminoo.linkpc.net/1090098090094097095/A-Soldier-s-Oath-Soldier-s-Pact-Book-2-by-Angelica-Kate.pdf
    • http://loaminoo.linkpc.net/4096090091093094/Fly-Like-an-Eagle-by-Cherie-Noel.pdf
    • http://loaminoo.linkpc.net/4096090091093091/Quality-Control-by-Cherie-Noel.pdf
    • http://loaminoo.linkpc.net/2097098092098099/Incongruent-Angel-by-Cherie-Noel.pdf
    • http://loaminoo.linkpc.net/2097098093092099/Tian-s-Hero-The-Akanti-1-by-Cherie-Noel.pdf
    • http://loaminoo.linkpc.net/1091099090092097090/The-Counterfeit-Claus-Rescue-Twinks-1-by-Cherie-Noel.pdf
    • http://loaminoo.linkpc.net/9092096090091095/Master-the-State-Trooper-Exam-by-Hy-Hammer.pdf
    • http://loaminoo.linkpc.net/3091098097099/Soldier-Dog-by-Sam-Angus.pdf
    • http://loaminoo.linkpc.net/1093093091099094/Soldier-on-by-J-D-Wynne.pdf
    • http://loaminoo.linkpc.net/4092092094093/Soldier-X-by-Don-L-Wulffson.pdf
    • http://loaminoo.linkpc.net/1090092092099093/Soldier-Boy-by-Anthony-Hill.pdf
    • http://loaminoo.linkpc.net/3097097091099096/A-Soldier-s-Woman-by-Ava-Delany.pdf
    • http://loaminoo.linkpc.net/3096094098091095/A-Soldier-a-Dog-and-a-Boy-by-Libby-Hathorn.pdf
    • http://loaminoo.linkpc.net/5092091095097096/Gone-for-a-Soldier-by-Alfred-Bellard.pdf
    • http://loaminoo.linkpc.net/1091093095091090/A-Soldier-in-Love-by-A-Petrov.pdf
    • http://loaminoo.linkpc.net/909

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