PDF malware analysis — malicious · 460f2c2025c74d7b

MALICIOUS

PDF

32.6 KB

MD5: a389c79df9eee45d804e5bed2bb0251f SHA-1: 40e9fa4adef29ec4ac298b0092b0351ba7359119 SHA-256: 460f2c2025c74d7ba2715e42b2b41c190f2af4f79c7738fef6e2f053782d0a91

186 Risk Score

Malware Insights

MITRE ATT&CK

T1559.002 Component Object Model Hijacking T1204.002 Malicious File

The PDF file contains embedded JavaScript and Flash content, as indicated by the PDF_JAVASCRIPT, PDF_JS, and PDF_RICHMEDIA heuristics. ClamAV detection confirms this as malicious, specifically identifying it as 'Pdf.Exploit.Agent-35955'. The embedded SWF file, 'prjwaslPVovC.swf', is likely the exploit payload. The presence of these elements suggests the PDF is designed to exploit vulnerabilities and deliver further malicious content.

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
`prjwaslPVovC.swf` `c2b666a3ef4c191b77b78c037656e50477b8ba3d35fd61ae843a3a1f4d41c5c1`	pdf-embedded-file	PDF EmbeddedFile object 16 at offset 0x185A	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` `6681dfed2dc61c2de9fa8df7b18bb40be0bd71c51acaae4cddd11c3c4abec615`	pdf-javascript-stream	PDF /JS object 6 at offset 0x13A	4351 bytes

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