Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2c0d7ba9b1fdffa…

MALICIOUS

PDF

2.7 KB Created: 3672-01-01 Authoring application: 9198
MD5: 46b00178a7641d95948d1c9aee0c3f83 SHA-1: 19862a10963d6146e4c67cda1fafc8113988ac21 SHA-256: f2c0d7ba9b1fdffa258495a1b14e1a90d3411ae7e70c16d861b6a40ce690b741
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 a known exploit. The embedded JavaScript is obfuscated and likely attempts to download and execute a second-stage payload, as suggested by the 'Suspicious extracted artifact' heuristic.

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
c00334c3a60ffd630b8314aaf26ab4a14bf800a562ca0d0fca0976a3f42de716
pdf-javascript-stream PDF /JS object 13 at offset 0x328 4790 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).