PDF malware analysis — malicious · c90bf330570ca1d6

MALICIOUS

PDF

45.0 KB

MD5: c2764507bf18389be020db1fcd4f9e4d SHA-1: 07221d45ae519b855277e77e951526bc07d0d1df SHA-256: c90bf330570ca1d627cb7280a4b8ec1ab4f6e2b81473c0cb6d83379cf0c2dfb5

76 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File Execution: Malicious JavaScript

The file is identified as malicious by ClamAV with the signature Pdf.Exploit.Agent-36128. Static analysis detected embedded JavaScript, indicating an attempt to execute code. The large size of the embedded JavaScript streams suggests a complex or obfuscated payload, likely designed to download and execute further malicious content.

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36128 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36128
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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0008_000.js` `1a947b79c99d06087d55e466ce4e8fdb7ce7070ebd1fdbc059545b692ca2636b`	pdf-javascript-stream	PDF /JS object 8 at offset 0x1E7	45305 bytes
`legacy_pdfkit_stage_000.js` `155d549ac0f7dd760b14e8d3987b91f59e9d60c9d9ccfdf367db783cc6c761dc`	deobfuscated-js	double percent-decoded annotation JavaScript at offset 0x1E7	33047 bytes

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