PDF malware analysis — malicious · 8d5ad5c067a42e2f

MALICIOUS

PDF

31.8 KB

MD5: 676e6d8a83ab8870042170d89dbb1d1b SHA-1: 503bb19361153bd177cb7258be43ec117f25d844 SHA-256: 8d5ad5c067a42e2f07c26b1d5d44c8ec153df84a87b255a6bcc0b194c5a3f535

186 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1027 Obfuscated Files or Information

The PDF file contains embedded JavaScript and a RichMedia (Flash) object, identified as 'IRtSaeuxptY.swf'. ClamAV detections 'Pdf.Exploit.Agent-35955' on both the main file and the extracted artifact strongly indicate malicious intent. The embedded Flash file is likely responsible for executing the exploit, leading to the malicious verdict.

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
`IRtSaeuxptY.swf` `c2b666a3ef4c191b77b78c037656e50477b8ba3d35fd61ae843a3a1f4d41c5c1`	pdf-embedded-file	PDF EmbeddedFile object 16 at offset 0x1515	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` `23289214818af3e2666772b43a0309b790e669aea40cf74afe888d4aa2cfc395`	pdf-javascript-stream	PDF /JS object 6 at offset 0x142	3644 bytes

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