Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2184744a3bd0b5b…

MALICIOUS

PDF

3.4 KB
MD5: 8e539d2e166c62cb55f2bd9382f3ae42 SHA-1: 14de7c8907c58a71606fedf9c6744aab1523b477 SHA-256: f2184744a3bd0b5bca5190898292db4708f75efc89c38b202c95fe9c0c3d7150
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 'Pdf.Exploit.Agent-36121' further confirms its malicious nature. The embedded JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to execute arbitrary code, which is a common technique for delivering further malware.

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
0324efd07c049320e4ad536e756fa81f863303e8f45e06206d153aa767aa1b52		 pdf-javascript-stream PDF /JS object 7 at offset 0xA97 381 bytes

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