Malicious PDF — malware analysis report

Static analysis result for SHA-256 dda252edbe841cca…

MALICIOUS

PDF

3.2 KB
MD5: a7f535b9958cb2504580babcd434aa50 SHA-1: 1bd5bb998901fd85455ec3c7b53b68357a0d59c2 SHA-256: dda252edbe841cca3aed16129f8cf107d070aec37520a079884a04749794f5e4
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as Pdf.Exploit.Agent-36121 further confirms its malicious nature. The embedded JavaScript is likely used to exploit a vulnerability within the PDF reader, leading to arbitrary code execution. However, the specific actions of the JavaScript could not be determined due to obfuscation or truncation.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
  • 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_obj0007_000.js
1c40e0f9eaddb95809aad0301e71b3801fe3d3922bfa8b003c90cd992ea8c73c		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C2 496 bytes

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