Malicious PDF — malware analysis report

Static analysis result for SHA-256 01e6dc35bcb5c2d5…

MALICIOUS

PDF

10.3 KB
MD5: 19dbb92661576f5093d253925a9d52d8 SHA-1: 830e8cb0c3b667035857a35c8d1b15d523476996 SHA-256: 01e6dc35bcb5c2d549bc62a16c80e605eb8abe57e93432acb2e334d0092e387b
106 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, identified by multiple heuristics and a critical ClamAV detection. The JavaScript is obfuscated but appears to be designed to download and execute a second-stage payload, as indicated by the 'Pdf.Dropper.Agent-7222397-0' detection. This behavior strongly suggests an exploit delivery mechanism.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7222397-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7222397-0
  • 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_obj0035_000.js
ecdeb0c7c6cfe953bf83798b60f5d952a6ab2248b5079b395d4f208be638e85a		 pdf-javascript-stream PDF /JS object 35 at offset 0x17E 22176 bytes

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