PDF malware analysis — malicious · e9be65beb46b60b1

MALICIOUS

PDF

31.8 KB

MD5: 86bb9d965ea103eaef86f9385e0758d2 SHA-1: afa9824460e98efd712da4f1f0ba6540a0773ea5 SHA-256: e9be65beb46b60b1321f78217babbf7455437a944c16b411ce002da8f91b69d5

186 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution: Malicious File T1559.002 Component Object Model Hijacking

The PDF file contains embedded JavaScript and a Flash object, indicating an exploit attempt. ClamAV detected this as 'Pdf.Exploit.Agent-35955', and a suspicious SWF file was extracted. The presence of these elements suggests the PDF is designed to exploit vulnerabilities and execute malicious code, likely through the embedded Flash 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
`TRyLjdWSA.swf` `c2b666a3ef4c191b77b78c037656e50477b8ba3d35fd61ae843a3a1f4d41c5c1`	pdf-embedded-file	PDF EmbeddedFile object 16 at offset 0x150A	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` `41a94f2c653d67d079fbbc873565d3bf62057c98988f66ba8be3e71b557b8d7b`	pdf-javascript-stream	PDF /JS object 6 at offset 0x14C	3712 bytes

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