Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2a1a4380ddf5039…

MALICIOUS

PDF

3.3 KB
MD5: 4f065b72fb459f44b6ecd52ca3ce695e SHA-1: a081da9f2b8d789ea5d40a5a4e8a57b334fbe4b5 SHA-256: c2a1a4380ddf503962cd719d1575d87793706ed23ed6b1c15bac99a0f694da53
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' strongly suggests this is a malicious PDF exploiting a known vulnerability. The embedded JavaScript is likely responsible for the exploit execution, potentially leading to further stages of an attack.

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
2a294fcf035d817063e5e0b063a802f300c470834cf12a3b04eee4bf1696ac05		 pdf-javascript-stream PDF /JS object 7 at offset 0xA8C 332 bytes

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