PDF malware analysis — malicious · e0d04275f83e39d4

MALICIOUS

PDF

32.1 KB

MD5: 98f5492018311fc76f6e6dc47bc2cecc SHA-1: fb9e700055bae536c1b3019a64255a069ef42a7a SHA-256: e0d04275f83e39d4ca408425513299861ab82cce8b4edacc16ce680062677d91

186 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

This PDF file was detected as malicious by ClamAV with the signature Pdf.Exploit.Agent-35955. Static analysis revealed embedded JavaScript and RichMedia (Flash) content, indicating an attempt to exploit vulnerabilities within the PDF reader. An embedded SWF file named VrzwPYpItRiL.swf was extracted, which likely contains the malicious payload. The presence of these elements strongly suggests the file is designed to deliver further malware through exploit techniques.

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
`VrzwPYpItRiL.swf` `c2b666a3ef4c191b77b78c037656e50477b8ba3d35fd61ae843a3a1f4d41c5c1`	pdf-embedded-file	PDF EmbeddedFile object 16 at offset 0x164E	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` `44624641c132dc3c94ed57ccf2f86ea61af674b47d2db248e599fabe8c42d7f9`	pdf-javascript-stream	PDF /JS object 6 at offset 0x142	3969 bytes

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