Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a4abed9a22e7ee2…

MALICIOUS

PDF

29.2 KB Created: 2020-04-10 20:41:32 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 00256fb206d00d759b00829cf92f60c7 SHA-1: 0e98d8aa2d5c4cd938038763122dd9ec3f3dc6c1 SHA-256: 8a4abed9a22e7ee2957fd557c9781e4131f2b6f5e4a224ecf83cb37ad92d7269
72 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF document contains multiple embedded URLs and a heuristic firing for visible command execution instructions, suggesting it is designed to trick the user into downloading a file. The document body mentions 'Gta sa highly compressed download', reinforcing the lure. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

Heuristics 3

  • Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND
    Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://kreneephoto.com/uploads/1/3/1/3/131398083/131398083.html#gta+sa+highly+compressed+download
    • http://ladyjanesgoods.com/uploads/1/3/0/6/130604102/5bf857.pdf
    • http://hemota.com/uploads/1/3/0/7/130776367/xolazujimub_daxoreji.pdf
    • http://nhwcmd.com/uploads/1/3/1/3/131383753/e09b99.pdf
    • http://myjac.net/uploads/1/3/1/4/131437683/kifamita.pdf
    • http://howdyhounds.com/uploads/1/3/1/4/131406528/428523.pdf

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