PDF malware analysis — malicious · a2de9587e004d43b

MALICIOUS

PDF

42.0 KB

MD5: 6f1ea14f0b7935dd145c803733efd19b SHA-1: 408db4b94af43d2d644e37946f3c6bdcbc890171 SHA-256: a2de9587e004d43bec3f887bf3147d8c9f7fcb79171112bcdc00d6788c9e15f9

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. An embedded file and script payload were also detected, suggesting the PDF is designed to download and execute a second-stage payload. The embedded URLs are benign or unknown, providing no direct IOCs.

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` `80d90182f6f7e78bdb010b7a0bb93fef477bc7fe4c8c7fa462124563a07e3c77`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	42241 bytes
Detection ClamAV: Pdf.Exploit.Agent-36830 Obfuscation or payload: unlikely

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