PDF malware analysis — malicious · edef2dc64ac47003

MALICIOUS

PDF

46.5 KB

MD5: 449491f4270b1ca40ae35712f1766259 SHA-1: 76cd7a67dd0b3162f1ef9792e26ee95ab1afb75d SHA-256: edef2dc64ac470036693575225de2dd262d6e4ac011e7ea9fe54854a837fc567

156 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

The critical ClamAV heuristic 'Pdf.Exploit.Agent-36830' indicates this PDF is malicious and likely exploits a known vulnerability. The 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristic further suggests the presence of an embedded script designed to deliver a malicious payload. The embedded file artifact and the PDF XFA form indicate a complex document structure often used for exploitation.

Heuristics 6

ClamAV: Pdf.Exploit.Agent-36830 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36830
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/
- http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0008.bin` `9b59141cf6ec997ab8e6f5d2fb772a3521be509f1e39d163084ef3706e6f061a`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	46845 bytes
Detection ClamAV: Pdf.Exploit.Agent-36830 Obfuscation or payload: unlikely

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