Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ce8ea55f13aea76…

MALICIOUS

PDF

2.7 KB Created: 9456-01-01 Authoring application: 1734
MD5: c69cb8dea5e5f26c7ace41a344a74cb0 SHA-1: 98c3aa2c2f82bdcd410656a5604e4439e2e7873c SHA-256: 9ce8ea55f13aea76d2f74b245a7555a098e5dd1d3f4c8258487b7142e016e610
96 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings and the presence of an extracted javascript file. The ClamAV detection name 'Pdf.Exploit.Agent-36014' strongly suggests this is an exploit-carrying PDF. The embedded JavaScript is likely responsible for executing the exploit, aiming to compromise the user's system.

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
ab54a9340b77e3dde97d481b5aab77cab1798522f8faf6c14bb79694d77db534
pdf-javascript-stream PDF /JS object 13 at offset 0x328 4807 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).