Malicious PDF — malware analysis report

Static analysis result for SHA-256 a06b296ff2da3f46…

MALICIOUS

PDF

2.7 KB Created: 5503-01-01 Authoring application: 7910
MD5: ae2a62a59829e3bb904ba448fa2ca00e SHA-1: a0d5068421fce41ed4340815204252285082af59 SHA-256: a06b296ff2da3f4612c0a90696ea817777b1054410a5b6e0b1808508fedbadf0
96 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. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests this is a known exploit. The extracted JavaScript file, 'javascript_obj0013_001.js', shows signs of obfuscation and hex escape sequences, typical of malware attempting to hide its malicious actions. The likely intent is to download and execute a second-stage payload.

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
cd0286aca79956f9b111f3509b296ea40f2e099b65995912f72fc112d43424f8
pdf-javascript-stream PDF /JS object 13 at offset 0x328 4809 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).