Malicious PDF — malware analysis report

Static analysis result for SHA-256 f12c6035920d6d30…

MALICIOUS

PDF

15.5 KB Created: 2019-05-02 18:32:22 +01:00 Authoring application: mPDF 5.7
MD5: ca8ead284daac29c1a456b5940bdd997 SHA-1: 1a178c630a6a3c3aa54dd64401ce1c70d885aa35 SHA-256: f12c6035920d6d30999e2311e33547be7179c72deca58d605698c6cd21588975
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier strongly indicated maliciousness. While no scripts were extracted, the PDF structure and link farm heuristic suggest the primary goal is to redirect users to potentially harmful external sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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/3093092098096091/The-Midnight-Court-A-New-Translation-Of-quot-C-irt-An-Mhe-n-O-che-quot-By-Brian-Merriman-by-Brian-Merriman.pdf
    • http://loaminoo.linkpc.net/6092093096097090/Good-Bones-Great-Pieces-The-Seven-Essential-Pieces-That-Will-Carry-You-Through-a-Lifetime-by-Suzanne-McGrath.pdf
    • http://loaminoo.linkpc.net/5099095097090094/Into-a-Million-Pieces-Pieces-Duology-1-by-Angela-V-Cook.pdf
    • http://loaminoo.linkpc.net/5090094095096095/Picking-Up-the-Pieces-Pieces-2-by-Elizabeth-Hayley.pdf
    • http://loaminoo.linkpc.net/4099090099093092/Falling-to-Pieces-Pieces-1-by-Jamie-Canosa.pdf
    • http://loaminoo.linkpc.net/4095093096094096/All-the-Pieces-Pieces-of-Lies-3-by-Angela-Richardson.pdf
    • http://loaminoo.linkpc.net/6092099097090099/Massacre-The-Life-and-Death-of-the-Paris-Commune-by-John-Merriman.pdf
    • http://loaminoo.linkpc.net/3098094090090094/Massacre-The-Life-and-Death-of-the-Paris-Commune-of-1871-by-John-M-Merriman.pdf
    • http://loaminoo.linkpc.net/2099092090094097/Pieces-of-Autumn-Pieces-of-Autumn-1-by-Mara-Black.pdf
    • http://loaminoo.linkpc.net/5099095097097099/Six-Easy-Pieces-Six-Not-So-Easy-Pieces-by-Richard-Feynman.pdf
    • http://loaminoo.linkpc.net/1091092093090/A-Man-to-Die-For-by-Eileen-Dreyer.pdf
    • http://loaminoo.linkpc.net/1090094090099090092/Nothing-Personal-by-Eileen-Dreyer.pdf
    • http://loaminoo.linkpc.net/1093099093096090/Cool-for-You-by-Eileen-Myles.pdf
    • http://loaminoo.linkpc.net/1096097091093097/Divorcees-Biz-by-Eileen-Thornton.pdf
    • http://loaminoo.linkpc.net/1090096098092095094/The-Best-Time-of-Day-by-Eileen-Spinelli.pdf
    • http://loaminoo.linkpc.net/8099091098090095/Bad-Astrid-by-Eileen-Brennan.pdf
    • http://loaminoo.linkpc.net/1091099096099099095/Erica-by-Eileen-Pollinger.pdf
    • http://loaminoo.linkpc.net/1091096097098094/Another-Day-as-Emily-by-Eileen-Spinelli.pdf
    • http://loaminoo.linkpc.net/1094091093/Eileen-by-Ottessa-Moshfegh.pdf
    • http://loaminoo.linkpc.net/2098090095092091/Too-Much-Too-Soon-Seniors-1-by-Eileen-Goudge.pdf

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