Malicious PDF — malware analysis report

Static analysis result for SHA-256 7310408d1485b24c…

MALICIOUS

PDF

17.8 KB Created: 2019-05-07 08:19:46 +01:00 Authoring application: mPDF 5.7
MD5: 04d1081a1db7f337703b7b3b6de89e87 SHA-1: 51ea405c301f61f346daea2ef1b8b01413abe404 SHA-256: 7310408d1485b24c016efb9b5828d66420cbd234104dfff95602a74e5f76abfb
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified as a link farm, which is a common tactic for distributing malicious content or phishing pages. While the document body was unreadable, the heuristic firings and the nature of the embedded URLs suggest an attempt to direct users to external resources. No scripts were extracted from this sample, but the PDF structure itself facilitates the attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/9093094090090096/Norman-Vincent-Peale-An-Inspiring-Collection-of-Three-Complete-Books-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/9093093099096097/Norman-Vincent-Peale-s-Little-Instruction-Book-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/9093094090097092/Faith-Is-the-Answer-by-Norman-Vincent-Peale.pdf
    • http://loaminoo.linkpc.net/5093095099091093/Treasury-of-Courage-and-Confidence-by-Norman-Vincent-Peale.pdf
    • http://loaminoo.linkpc.net/9093093099095097/Stay-Alive-All-Your-Life-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/2096095094097094/The-Power-Of-Positive-Thinking-by-Norman-Vincent-Peale.pdf
    • http://loaminoo.linkpc.net/4097096099095/The-Power-of-Positive-Thinking-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/9093093099095093/Why-Some-Positive-Thinkers-Get-Powerful-Results-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/5092093096094099/Positive-Imaging-The-Powerful-Way-to-Change-Your-Life-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/6092094091096096/The-Power-of-Positive-Thinking-10-Traits-for-Maximum-Results-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/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/9093093099095095/The-Power-of-Ethical-Management-by-Norman-V-Peale.pdf

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