PDF malware analysis — malicious · c2f6fb636b9bbaf2

MALICIOUS

PDF

42.2 KB

MD5: 5d76ffb83dc3d0874b5222b7b410cb1f SHA-1: 94d23c74e91f8ba69c1e4d2a68c22e9e5fcd1642 SHA-256: c2f6fb636b9bbaf204002ef7116c09a2c84a56af0a8efabd3a363c4cefdc0a14

156 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution

The PDF file contains embedded script payloads and has been detected by ClamAV as Pdf.Exploit.Agent-36830. The embedded script is obfuscated but appears to be designed to download and execute a second-stage payload. The presence of embedded files and XFA forms further indicates a malicious intent to exploit PDF vulnerabilities.

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` `73282c8fb9b8402e590af4243a3e2c37dcbb85a3159ebf3a8a87d86227c94b8e`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	42495 bytes
Detection ClamAV: Pdf.Exploit.Agent-36830 Obfuscation or payload: unlikely

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