PDF malware analysis — malicious · c8fa078a7f843438

MALICIOUS

PDF

12.2 KB

MD5: 9e94b1f7f66c149391d4b208f127b00d SHA-1: 5b896bfb10f3f79971420683805aa71f42bc40f8 SHA-256: c8fa078a7f8434380dd1aeb91d4e6c3efde8462fd0242ce5dce8dcdad9127280

166 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF contains embedded JavaScript, which is a common technique for exploiting vulnerabilities in PDF readers. The ML classifier and ClamAV detections strongly indicate malicious intent, likely to download and execute a second-stage payload. The embedded JavaScript is the primary mechanism for this exploitation.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36365 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36365
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` `c790ee38b6fc4abf20c7c61c9333a1def46a71f3c1cad9894896fc668440bf38`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11347 bytes
Detection ClamAV: Pdf.Exploit.Agent-36364 Obfuscation or payload: unlikely

Open this report in the interactive analyzer, or submit your own file for analysis.