PDF malware analysis — malicious · d618772c95152965

MALICIOUS

PDF

12.4 KB

MD5: 586e6ff8e6f1cfe75117682a5030e576 SHA-1: 53e6d18bd3928372a1b6426e0b3b3a4218179f23 SHA-256: d618772c951529652943c704f130a0d26605e289279f0aa3ec06680648636f1e

76 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV detection of 'Pdf.Exploit.Pdfka-9' suggests a known exploit targeting PDF vulnerabilities. The embedded JavaScript is likely designed to download and execute a secondary payload, a common technique for initial access.

Heuristics 3

ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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_obj0076_000.js` `40d82db904203fc9142fa4cc8cb9547f3b618490bca0780f3ebaf2097cd036b7`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11565 bytes
Detection ClamAV: Pdf.Exploit.Pdfka-9 Obfuscation or payload: unlikely

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