PDF malware analysis — malicious · ae6ba567776b0e5f

MALICIOUS

PDF

31.4 KB

MD5: 62662e12a9556252930b37c1052a4ad1 SHA-1: 2417fcf4cf010bb21444cb56ff5355584cf78e21 SHA-256: ae6ba567776b0e5f3f3bc9264fe6cc43bb8af1de1bffa810b965e3724f633426

186 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1559.002 Component Object Model

The PDF file contains embedded JavaScript and a RichMedia (Flash) object, identified by ClamAV as Pdf.Exploit.Agent-35955. The embedded JavaScript stream and the Flash object are the primary mechanisms for exploitation. The JavaScript likely initiates the execution of the Flash object, which is a common technique for delivering secondary payloads or exploiting further vulnerabilities.

Heuristics 7

ClamAV: Pdf.Exploit.Agent-35955 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-35955
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.
RichMedia (Flash) high PDF_RICHMEDIA

PDF contains /RichMedia (Adobe Flash) which is a historic exploit vector
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.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`IFaAMjvWVRmg.swf` `c2b666a3ef4c191b77b78c037656e50477b8ba3d35fd61ae843a3a1f4d41c5c1`	pdf-embedded-file	PDF EmbeddedFile object 16 at offset 0x1391	26774 bytes
Detection ClamAV: Pdf.Exploit.Agent-35955 Obfuscation or payload: likely Carved artifact entropy is 7.99, consistent with packed or encrypted content.
`javascript_obj0006_000.js` `51890c3626dfc27f9983bb63de9c5de09b4f375d973f1341f6c74e34d907c127`	pdf-javascript-stream	PDF /JS object 6 at offset 0x140	3286 bytes

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