PDF malware analysis — malicious · f932ffbc8c5c4da5

MALICIOUS

PDF

6.1 KB Authoring application: Favib rela (via Pipnolpamok)

MD5: baa65949b228d5105c1b2af8807c04d2 SHA-1: 590e8534e28aab96cb37a83dceef36dc93949b0a SHA-256: f932ffbc8c5c4da56efba35051fcf00d69a2c27ff92e1103caf7ea6ee7359672

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is a PDF containing embedded JavaScript, as indicated by multiple heuristic firings and the presence of a javascript_obj0015_000.js artifact. ClamAV detections (Pdf.Exploit.Agent-36174) confirm its malicious nature. The embedded JavaScript is likely responsible for exploiting a PDF vulnerability to achieve its malicious objective, such as downloading a second-stage payload.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36174 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36174
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_obj0015_000.js` `d2679f3f15d6e025ee8c17fa18b94c5a0f309ff0925fe97138da94e5b5bbdf34`	pdf-javascript-stream	PDF /JS object 15 at offset 0x1281	1504 bytes
Detection ClamAV: Pdf.Exploit.Agent-36174 Obfuscation or payload: unlikely

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