Malicious PDF — malware analysis report

Static analysis result for SHA-256 d572cc603be7582f…

MALICIOUS

PDF

19.0 KB Created: 2019-05-02 18:44:22 +01:00 Authoring application: mPDF 5.7
MD5: 3931dc9290103c3f56af77150d9d9fa8 SHA-1: 9ddf3f7a4a813deadc6ad5dd9780f758fd5c1878 SHA-256: d572cc603be7582fddbfe4be16f7ff17aeb64036982929e65eff03f720f8f083
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier as malicious and contains a large number of embedded links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links likely serve as a lure to redirect users to malicious websites or download further payloads. No scripts were extracted from this sample, and the document body contained mostly garbled data with embedded URLs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/6092094091096096/The-Power-of-Positive-Thinking-10-Traits-for-Maximum-Results-by-Norman-Vincent-Peale.pdf
    • http://loaminoo.linkpc.net/4097096099095/The-Power-of-Positive-Thinking-by-Norman-Vincent-Peale.pdf
    • http://loaminoo.linkpc.net/2096095094097094/The-Power-Of-Positive-Thinking-by-Norman-Vincent-Peale.pdf
    • http://loaminoo.linkpc.net/9093094090096096/God-s-Salesman-Norman-Vincent-Peale-amp-the-Power-of-Positive-Thinking-by-Carol-V-R-George.pdf
    • http://loaminoo.linkpc.net/9093094090096093/The-Power-Of-Positive-Thinking-by-Norman-Vincent-Peale-Quickie-Book-Summary-by-Brian-Matthew.pdf
    • http://loaminoo.linkpc.net/8098097099097094/The-Power-Of-Positive-Thinking-A-Practical-Guide-To-Mastering-The-Problems-Of-Everyday-Living-by-Norman-Vincent-Peale.pdf
    • http://loaminoo.linkpc.net/9093093099095093/Why-Some-Positive-Thinkers-Get-Powerful-Results-by-Norman-Vincent-Peale.pdf
    • http://loaminoo.linkpc.net/9093094090091092/The-Positive-Power-of-Jesus-Christ-by-Norman-Vincent-Peale.pdf
    • http://loaminoo.linkpc.net/9093094090096094/The-Positive-Power-of-Jesus-Christ-Life-Changing-Adventures-in-Faith-by-Norman-Vincent-Peale.pdf
    • http://loaminoo.linkpc.net/5092093096094099/Positive-Imaging-The-Powerful-Way-to-Change-Your-Life-by-Norman-Vincent-Peale.pdf
    • http://loaminoo.linkpc.net/9093094090091095/In-God-We-Trust-A-Positive-Faith-for-Troubled-Times-by-Norman-Vincent-Peale.pdf
    • http://loaminoo.linkpc.net/9093094090090096/Norman-Vincent-Peale-An-Inspiring-Collection-of-Three-Complete-Books-by-Norman-Vincent-Peale.pdf
    • http://loaminoo.linkpc.net/9093093099096097/Norman-Vincent-Peale-s-Little-Instruction-Book-by-Norman-Vincent-Peale.pdf
    • http://loaminoo.linkpc.net/9093093099090097/Norman-Vincent-Peale-The-Inspirational-Writings-by-Norman-Vincent-Peale.pdf
    • http://loaminoo.linkpc.net/9093094090097090/Have-a-Great-Day---Every-Day-by-Norman-Vincent-Peale.pdf
    • http://loaminoo.linkpc.net/2098094091098096/Remove-Negative-Thinking-How-to-Instantly-Harness-Mindfulness-and-The-Power-of-Positive-Thinking-The-GirlBizMind-Series-Book-1-by-Helga-Klopcic.pdf
    • http://loaminoo.linkpc.net/9093094090097092/Faith-Is-the-Answer-by-Norman-Vincent-Peale.pdf
    • http://loaminoo.linkpc.net/9093094091091094/365-Ways-To-Change-Your-World-by-Norman-Vincent-Peale.pdf
    • http://loaminoo.linkpc.net/9093093099095097/Stay-Alive-All-Your-Life-by-Norman-Vincent-Peale.pdf
    • http://loaminoo.linkpc.net/5093095099091093/Treasury-of-Courage-and-Confidence-by-Norman-Vincent-Peale.pdf

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