Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce706ed95cfa7bcb…

MALICIOUS

PDF

45.0 KB
MD5: d4ddd62fa979ec3ec91729eeb77faffe SHA-1: f7b0e93a7d28b1ad423abc80b3127b02263b23aa SHA-256: ce706ed95cfa7bcb6c29016b471cf0bc09ec5af9ee62cf15b90d625fafa9b871
76 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. ClamAV detection as 'Pdf.Exploit.Agent-36128' strongly suggests exploitation of a known PDF vulnerability. The presence of large JavaScript streams, one of which is deobfuscated, points towards the execution of malicious code. This code is likely designed to download and execute a secondary payload, a common technique for initial access.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36128 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36128
  • 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0008_000.js
e3f828c43999833f1e401b52c607775f9491a0f0e069a423a062959f0b14fd25		 pdf-javascript-stream PDF /JS object 8 at offset 0x1E7 45305 bytes
legacy_pdfkit_stage_000.js
618a787136e18fc2b8bc859031ff37e98f9e159b71099e400273700997486874		 deobfuscated-js double percent-decoded annotation JavaScript at offset 0x1E7 33047 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.