PDF / .VIR malware analysis — malicious · bbf805f029e82160

MALICIOUS

PDF / .VIR

6.1 KB Authoring application: Favib rela (via Pipnolpamok)

MD5: 2304bd552d1f1c7bcd1a46fb8c6e0905 SHA-1: 14c051c3c8ae72e7926ee62eaf204ca64a1283b1 SHA-256: bbf805f029e82160e2a25665a854485eb0b69307a4b91eb974b6ff26ec98856b

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The sample is a PDF file detected by ClamAV as Pdf.Exploit.Agent-36174. It contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. This JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to execute malicious code. The exact payload or intent of the script cannot be determined due to obfuscation or truncation, but the ClamAV detection strongly suggests a malicious exploit.

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.