PDF malware analysis — malicious · 4a6285d0f5dc19a0

MALICIOUS

PDF

12.4 KB

MD5: 5ea21278686ceef535a735338ebb4ef8 SHA-1: 11c6a4b5eb32c45b4584a66a4c2a67315eed07f4 SHA-256: 4a6285d0f5dc19a04a26a600824a66877f92751cf17af86a9d69d939040b997d

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 is present. The embedded JavaScript stream, named 'javascript_obj0076_000.js', is the primary artifact likely used to deliver a malicious payload.

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` `4383dba2579e0d757dd96ae0b58cf4ea2175458806dd33122a81d4a8782566db`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11626 bytes
Detection ClamAV: Pdf.Exploit.Pdfka-9 Obfuscation or payload: unlikely

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