PDF malware analysis — malicious · 76bbc84d64d51e2e

MALICIOUS

PDF

42.4 KB

MD5: 7fe5d334e9221470b7cff10c422f8f50 SHA-1: 7601dcdbeb1135ec5ce00a0e58131093cce57db0 SHA-256: 76bbc84d64d51e2e9ed44d570d2addd9f12999c43e49595c2eeccfb37d570bf8

156 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment T1027 Obfuscated Files or Information

The critical ClamAV detection 'Pdf.Exploit.Agent-36830' strongly indicates a known PDF exploit. The PDF_EMBEDDED_SCRIPT_PAYLOAD heuristic confirms the presence of an embedded script, likely responsible for delivering the exploit. While the document body is heavily obfuscated and difficult to interpret directly, the presence of embedded scripts and the ClamAV signature point towards a malicious PDF designed to execute an exploit, likely leading to the download or execution of a secondary payload.

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` `5312dd5ee26ab457ddf7c606c7c621a80535575a50573f241b537dc3fe7d8fde`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	42620 bytes
Detection ClamAV: Pdf.Exploit.Agent-36830 Obfuscation or payload: unlikely

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