Malicious PDF — malware analysis report

Static analysis result for SHA-256 d825b898ce2f9a65…

MALICIOUS

PDF

15.2 KB Created: 2019-05-01 18:18:47 +01:00 Authoring application: mPDF 5.7
MD5: 112ca0c1392299b02b1c4dd67d3bd5e0 SHA-1: 418d5fbbc0df6f8b39bce1568601c78505d0b9ae SHA-256: d825b898ce2f9a6507c28fe5e725b62a3569b0110aacc81199ecc66ecd2dd0c9
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, as indicated by the 'PDF_SEO_LINK_FARM' heuristic. While most of these URLs appear benign, the sheer volume and the ML classifier's high confidence score suggest a malicious intent, possibly for SEO manipulation or to redirect users to malicious content. No scripts were extracted from this sample, limiting the ability to determine specific malicious actions beyond the link farm.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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://seasasac.lflinkup.com/2da0da6da3da0da9/Kiss-Across-Deserts-Kiss-Across-Time-4-by-Tracy-Cooper-Posey.pdf
    • http://seasasac.lflinkup.com/2da0da6da3da1da4/Kiss-Across-Chains-Kiss-Across-Time-3-by-Tracy-Cooper-Posey.pdf
    • http://seasasac.lflinkup.com/2da0da6da3da0da7/Time-Kissed-Moments-1-Kiss-Across-Time-3-by-Tracy-Cooper-Posey.pdf
    • http://seasasac.lflinkup.com/6da1da9da3da2da2/Forbidden-Scandalous-Sirens-1-by-Tracy-Cooper-Posey.pdf
    • http://seasasac.lflinkup.com/2da0da6da3da3da6/Kiss-Across-Time-Kiss-Across-Time-1-by-Teal-Ceagh.pdf
    • http://seasasac.lflinkup.com/2da0da6da3da4da2/Southampton-Swindle---Blood-Drops-The-Blood-Stone-1-1-by-Tracy-Cooper-Posey.pdf
    • http://seasasac.lflinkup.com/2da0da6da3da3da7/Blood-Revealed-The-Blood-Stone-4-by-Tracy-Cooper-Posey.pdf
    • http://seasasac.lflinkup.com/4da3da4da5da2da8/Tempted-by-His-Kiss-The-Byrons-of-Braebourne-1-by-Tracy-Anne-Warren.pdf
    • http://seasasac.lflinkup.com/7da8da9da0da6da8/Kiss-Kiss-Switch-Bitch-My-Uncle-Oswald-by-Roald-Dahl.pdf
    • http://seasasac.lflinkup.com/2da3da6da1/Harley-Quinn-Vol-3-Kiss-Kiss-Bang-Stab-by-Amanda-Conner.pdf
    • http://seasasac.lflinkup.com/1da9da5da1da4da6/The-Kiss-That-Killed-Me-The-Tidal-Kiss-Trilogy-1-by-Kristy-Nicolle.pdf
    • http://seasasac.lflinkup.com/1da0da5da7da9da3/Always-Kiss-Me-Goodnight-Guardian-Kiss-1-by-Megan-Gaudino.pdf
    • http://seasasac.lflinkup.com/4da8da6da1da6da6/Kiss-Cam-With-A-Kiss-1-by-Anie-Michaels.pdf
    • http://seasasac.lflinkup.com/4da6da7da9da7da8/A-Kiss-Like-This-Kiss-and-Make-Up-3-by-Sara-Ney.pdf
    • http://seasasac.lflinkup.com/3da5da3da1da5da2/The-Kiss-Off-The-Kiss-Off-1-by-Sarah-Billington.pdf
    • http://seasasac.lflinkup.com/8da6da2da8da6/If-We-Kiss-If-We-Kiss-1-by-Rachel-Vail.pdf
    • http://seasasac.lflinkup.com/2da7da8da7da3da5/A-Kiss-in-Time-by-Alex-Flinn.pdf
    • http://seasasac.lflinkup.com/1da2da3da9da5/A-Kiss-to-Remember-Once-Upon-a-Time-3-by-Teresa-Medeiros.pdf
    • http://seasasac.lflinkup.com/2da4da5da3da0da5/Goodnight-Kiss-2-Goodnight-Kiss-2-Fear-Street-Super-Chiller-10-by-R-L-Stine.pdf
    • http://seasasac.lflinkup.com/2da8da7da0da9da9/Every-Time-We-Kiss-The-Spinster-Club-2-by-Christie-Kelley.pdf
    • http://seasasac.lflinkup.com/1da0da5da7da9da3/Always-

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