PDF malware analysis — malicious · c2b4236c107e6774

MALICIOUS

PDF

12.6 KB

MD5: 8283a20abf5a10573e5da5571418646d SHA-1: 8d2070dd3bac2b17f0c36a81d4b92930ece3111d SHA-256: c2b4236c107e6774cdffe4195c82d07edbf74df49827ede985b2783d5eb61621

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 is likely responsible for executing the exploit, which in turn probably downloads and executes a secondary 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` `f3ea3ce87b19f8d0c83c7013c379e2970d2820c2a1da8e452dae3e8465697efd`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11756 bytes
Detection ClamAV: Pdf.Exploit.Pdfka-9 Obfuscation or payload: unlikely

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