Malicious PDF — malware analysis report

Static analysis result for SHA-256 ada8b8478a741bf6…

MALICIOUS

PDF

53.5 KB
MD5: fa6c90a196235034a5337202ceb9971e SHA-1: a74130af000ffcaaf11035d429d4b89cb521cc85 SHA-256: ada8b8478a741bf64bb0c6437e73279709ce94ec402b4bc694cdd65f8c10a1b1
106 Risk Score

Malware Insights

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

The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically detecting it as Pdf.Exploit.Agent-36395. The presence of embedded JavaScript actions and streams indicates an attempt to execute code, likely to exploit a PDF vulnerability and download a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36395 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36395
  • 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_obj0076_000.js
7467605fb3acf2a7dbc6f5f474057562687a1759c086879974150a25516b5f16
pdf-javascript-stream PDF /JS object 76 at offset 0x2C2 46159 bytes