Malicious PDF — malware analysis report

Static analysis result for SHA-256 de16c4ca6e66499d…

MALICIOUS

PDF

11.5 KB
MD5: 6bab35ad4a60f426dc4c1fadd4b3adac SHA-1: 4051e724d24486f83330e7294910ef22a0bd9744 SHA-256: de16c4ca6e66499de455d135d8a57269b1db9779809431d7f322f9642be854b2
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/JScript

The sample is a PDF file that contains embedded JavaScript. Heuristics indicate a JavaScript action and an embedded JS stream, and ClamAV detected it as Pdf.Exploit.Agent-36177. The embedded JavaScript is likely used to exploit a vulnerability within the PDF reader to download and execute a malicious payload. No specific family could be identified.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36177 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36177
  • 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
a7e6203b0e8f812879ed8382ccbb3900ad81b5a92faf27692f51de6e8c96c13a		 pdf-javascript-stream PDF /JS object 7 at offset 0x1A6 569 bytes

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