Malicious PDF — malware analysis report

Static analysis result for SHA-256 4edea5841e49f1c1…

MALICIOUS

PDF

6.6 KB Authoring application: Tisilarehaue (via b36c8Tibedegabala)
MD5: 77b3e5288294b7269d54eaa260fb5e56 SHA-1: 35124e2bc43a4cfcb192f98adc11ec3de136b796 SHA-256: 4edea5841e49f1c10a280fd706616e30a90611aac118caf52387d2e7de821abd
76 Risk Score

Malware Insights

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

The file is a PDF containing embedded JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as 'Pdf.Exploit.Agent-36142' strongly suggests malicious intent. The embedded JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to execute arbitrary code, leading to the malicious verdict.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36142 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36142
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0010_000.js
d4dce4f95f7146e3b127d68edf45ceb045483a205d9e9a2a53d6e6b80d83b663		 pdf-javascript-stream PDF /JS object 10 at offset 0x1230 1728 bytes

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