PDF malware analysis — malicious · 009b502e3a795f60

MALICIOUS

PDF

27.9 KB

MD5: 6a721f6a306b102bdee9c6b0288f27ac SHA-1: 51b1856bebad082de055434a749576061cddd4cc SHA-256: 009b502e3a795f6060c849acbab6876addcc8b093ec739e33c25bd091fee921e

188 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, flagged by critical heuristics, indicating an exploit attempt. The JavaScript is heavily obfuscated but appears to construct a string and likely attempts to download and execute a secondary payload. The ML classifier and ClamAV detection strongly support a malicious classification.

Machine Learning

Nyx PDF Classifier malicious score 0.9978

Heuristics 6

ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
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.
Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://ns.adobe.com/xdp/
- http://www.xfa.org/schema/xfa-template/2.5/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_pdf_script_00000264.bin` `adad8c0c15e73cd760cf5f878615479557536947fa78bba10cfbf74702894033`	pdf-embedded-script	PDF decompressed stream script payload at offset 0x264	28570 bytes
Detection ClamAV: Pdf.Exploit.Agent-6136306-0 Obfuscation or payload: unlikely

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