PDF malware analysis — malicious · 3844e864be24f868

MALICIOUS

PDF

3.3 KB

MD5: ebab1e7efac329dcb2dc1f29ba9f94a0 SHA-1: 9d8844a5f3f340d7d9c2e053842883c97a2a5dbb SHA-256: 3844e864be24f8685e0fc6cfa4c7fc775b67df214dc68f98f3fbc7f09d5494e3

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

This PDF file was flagged as malicious by ClamAV and a machine learning classifier. It contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities to deliver malicious payloads. The JavaScript action at offset 0xF0 and the embedded JS stream at offset 0xFD indicate the execution of code. The ClamAV detection name 'Pdf.Exploit.Agent-36121' further supports its malicious nature.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
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.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `c24a4f9aa297abc2dacb692d795ab0eb4cc787c45c0ec37688b345818f1336b2`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA87	332 bytes

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