Malicious PDF — malware analysis report

Static analysis result for SHA-256 80d4c6edc842c531…

MALICIOUS

PDF

2.7 KB Created: 860 Authoring application: 6701
MD5: 2bfa60494805a91859028a98e29a4b57 SHA-1: 7fea3a2e9ad984b1ced706973b48533ac2596117 SHA-256: 80d4c6edc842c53196a1225486adb7deb5dee05a57efe4cd56a1cea5aa04e8e6
96 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by PDF_JAVASCRIPT and PDF_JS heuristics. The CLAMAV_DETECTION rule further confirms its malicious nature as Pdf.Exploit.Agent-36014. The embedded JavaScript, named javascript_obj0013_001.js, is flagged for obfuscation and likely serves to download and execute a secondary payload, a common technique for initial access.

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
054c81959585857a6310741e09a92ccde71dd62e90c0ab4969e2c06dc62e97ca
pdf-javascript-stream PDF /JS object 13 at offset 0x328 4796 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).