Malicious PDF — malware analysis report

Static analysis result for SHA-256 3100cc486243be44…

MALICIOUS

PDF

11.3 KB
MD5: 4858a41b920cc4920c148b684c04db5f SHA-1: 15bdd44489d44d4863642229e2772eb18a71ce26 SHA-256: 3100cc486243be443db795b6d5697091413b43cd669f7d945b533117764c5f3f
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/JScript

The file is a PDF containing embedded JavaScript, indicated by multiple heuristic firings. The ClamAV detection 'Pdf.Exploit.Agent-36177' strongly suggests this JavaScript is malicious and exploits a vulnerability within the PDF reader. The embedded JavaScript stream is the primary indicator of malicious activity, likely leading to the download or execution of a secondary payload.

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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