Malicious PDF — malware analysis report

Static analysis result for SHA-256 11556a826dc570f8…

MALICIOUS

PDF

9.8 KB
MD5: 4aff2c4c5feb4b5357ac63ca7d341f31 SHA-1: 7cefda92e8fd9283c325bce895bdaff71801b620 SHA-256: 11556a826dc570f8d828686c20edbaf3e93b9df223eee876638c1ebc7c9dc3f9
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Dropper.Agent-1828639. The embedded JavaScript is designed to download and execute a secondary payload, indicating a dropper functionality. The primary attack vector is likely spearphishing attachment, leading to client execution via the embedded script.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-1828639 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-1828639
  • 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_obj0069_000.js
26c10587765965353a5114481507142ebac98ca61cbd3c498ea98419f9baaae0		 pdf-javascript-stream PDF /JS object 69 at offset 0x1BE 20925 bytes

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