PDF malware analysis — malicious · bc1d3bd2471e5ead

MALICIOUS

PDF

45.0 KB

MD5: 2738abc4d8fc98636453e025f5d92fe0 SHA-1: 7ecd9831d022bcd3386a154e2469d199c6261d75 SHA-256: bc1d3bd2471e5ead9ff713b0815aaa9331e31ad262c61d32af49083cdc5b699b

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Pdf.Exploit.Agent-36128' strongly suggests this is a malicious PDF exploiting a known vulnerability. The embedded JavaScript is likely responsible for downloading and executing a secondary payload, which is a common attack vector for PDF-based malware.

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` `371d53f1a481c9e78bd765a0f183c860f87aa4d00aae68497142b62971eb89f1`	pdf-javascript-stream	PDF /JS object 8 at offset 0x1E7	45305 bytes
`legacy_pdfkit_stage_000.js` `981625a2d3db0f0af48fa73a05eb3d715cedebb054a0f0db7df280d04005fd46`	deobfuscated-js	double percent-decoded annotation JavaScript at offset 0x1E7	33047 bytes

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