Malicious PDF — malware analysis report

Static analysis result for SHA-256 3325c682099f6d20…

MALICIOUS

PDF

2.7 KB Created: 4093-01-01 Authoring application: 4621
MD5: 7735b58365143209aee64bac4c0a9852 SHA-1: 22e564e255170659c0ae152bff7d935c870864ab SHA-256: 3325c682099f6d2033e513e9d5205afc651cee8e6a6b69974067eb7946871f19
96 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: Malicious JavaScript

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The 'EXTRACTED_FILE_STATIC_TRIAGE' heuristic specifically flags 'javascript_obj0013_001.js' as suspicious due to obfuscation. ClamAV also identifies the file as 'Pdf.Exploit.Agent-36014'. The embedded JavaScript is likely responsible for executing malicious code, potentially leading to further exploitation or payload delivery.

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-36014 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36014
  • Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • 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_obj0013_001.js
34d79194288ec57a5f3a7e6004d3d500afbc55124802becc83070680e8379f89
pdf-javascript-stream PDF /JS object 13 at offset 0x328 5185 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 10 eval/decoder/string-building token(s). Carved artifact contains 3 long hex-escaped blob(s).