Malicious PDF — malware analysis report

Static analysis result for SHA-256 e327598eb4a0da91…

MALICIOUS

PDF

4.6 KB Authoring application: Ziixojobouope
MD5: f2080041db1ded75e1e4df399c1d7553 SHA-1: 61f2c5b59ef381fda2c58ac4b93d67baca8296ac SHA-256: e327598eb4a0da913a37fa660a9f5df17cc7e9b6935061089a61937318ebd614
106 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ML_NYX_PDF_MALICIOUS and ClamAV detections confirm its malicious nature, with ClamAV identifying it as Pdf.Dropper.Agent-7315655-0. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, a common technique for PDF-based malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7315655-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7315655-0
  • 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_obj0011_000.js
01072c4bc37b874dad0eb6f98a7bff8a2daf59a509f4d548c87ac32051ac17a8		 pdf-javascript-stream PDF /JS object 11 at offset 0xCB9 1439 bytes

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