PDF malware analysis — malicious · 1c7d052bbba5ba9e

MALICIOUS

PDF

12.3 KB

MD5: 57790ef98e11bc64f07c05948e9ab17a SHA-1: ef08e81d6ec3d5631a675253f616915a6c92894c SHA-256: 1c7d052bbba5ba9ed58c6ca90782e282ef9a522ca8bb976b64595dd624606bb5

136 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings and the presence of an extracted JS file. ClamAV detections further confirm its malicious nature, identifying it as a PDF exploit. The embedded JavaScript is likely responsible for executing the exploit and delivering a secondary payload.

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` `7cbbe9ee86e345e1ab385f37ded396b10ae22b4f4657300ff312b05433915daa`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11516 bytes
Detection ClamAV: Pdf.Exploit.Agent-36364 Obfuscation or payload: unlikely

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