PDF malware analysis — malicious · 1f509116639e9f4b

MALICIOUS

PDF

132.8 KB

MD5: 299dcad12ae62cb798d279dd8b36124d SHA-1: ff1ef09eadf4ecc11e8592721577b049a5b8f3aa SHA-256: 1f509116639e9f4b077fef91bbd7f8fe347b2149e68ce37a0a4f1cafd2b07b96

168 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF contains embedded JavaScript, flagged by multiple heuristics as malicious. ClamAV detections indicate it's an exploit targeting PDF documents and an extracted JavaScript artifact. The primary function appears to be the execution of this JavaScript, which is likely designed to download and execute a further malicious payload.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36388 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36388
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` `b4c32e8b32ae32b6b2e0ae6b1d99b00a2ec4a6bc4646aeaf969e7106c75ad060`	pdf-javascript-stream	PDF /JS object 76 at offset 0x2C2	119622 bytes
Detection ClamAV: Js.Exploit.HTML-27 Obfuscation or payload: unlikely

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