PDF malware analysis — malicious · cab0370f7925482e

MALICIOUS

PDF

45.0 KB

MD5: 0317707c6a7234779e8cd3f1b45b1d08 SHA-1: 8d576ae5783f8853785e650741e6156f44f9a334 SHA-256: cab0370f7925482ea5d65adf06028bb433ec3f0ab6c6abb4dc5ef95789970c99

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was detected by ClamAV as Pdf.Exploit.Agent-36128, indicating it contains known malicious content. Heuristics indicate the presence of embedded JavaScript, which is commonly used in malicious PDFs to execute arbitrary code or download further stages. The large size of the embedded JavaScript streams suggests a complex or obfuscated payload. The document body content is nonsensical and appears to be malformed or intentionally unreadable, further supporting a malicious intent.

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` `8c622609d1bfc3eb15fc089cc2dbd985b6ad601461be7ac9c6f177e4250ed313`	pdf-javascript-stream	PDF /JS object 8 at offset 0x1E7	45305 bytes
`legacy_pdfkit_stage_000.js` `687aa1032505d30a718909df4f80fe0007e0cec2da3050ef86d73d848320e233`	deobfuscated-js	double percent-decoded annotation JavaScript at offset 0x1E7	33047 bytes

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