PDF malware analysis — malicious · 9c2efccf0ef0989a

MALICIOUS

PDF

32.0 KB

MD5: 72ea8081377830fe837cf2aca1f1dbea SHA-1: a676f57a3dfe1ea66c2237eea69b6e7d08438774 SHA-256: 9c2efccf0ef0989abef77c62ccaea17ec82d61475dcc18a0bb3ec8fdbe1f0c1d

186 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript T1559.002 Component Object Model T1204.002 Malicious File

The PDF contains embedded JavaScript and a RichMedia (Flash) object, indicating an exploit attempt. The embedded JavaScript, 'javascript_obj0006_000.js', is likely responsible for loading and executing the embedded Flash file, 'SJGFNQYRJxKHc.swf'. This combination suggests a multi-stage exploit leveraging known PDF vulnerabilities to deliver a malicious payload.

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
`SJGFNQYRJxKHc.swf` `c2b666a3ef4c191b77b78c037656e50477b8ba3d35fd61ae843a3a1f4d41c5c1`	pdf-embedded-file	PDF EmbeddedFile object 16 at offset 0x15B9	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` `bb10ce8bb01c6a9b8ef01e0df1c06ff09d7a24512631f9d51f342ed303920a64`	pdf-javascript-stream	PDF /JS object 6 at offset 0x144	3803 bytes

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