PDF malware analysis — malicious · 8fed6af8efa55d3e

MALICIOUS

PDF

42.4 KB

MD5: 872c3bd832d54f0650cd693f7b5b0058 SHA-1: 7ce91a097d6f5dd5d647778910ac75a3c3844269 SHA-256: 8fed6af8efa55d3e007eee3a51877793429c53cb46035365b7f522ef33661604

156 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution: Malicious Attachment T1566.002 Phishing: Spearphishing Attachment

The PDF file was detected by ClamAV as Pdf.Exploit.Agent-36830, indicating a known exploit. It contains an embedded script payload and an embedded file, both common techniques for delivering malware. The document body appears to be obfuscated script content rather than user-readable text, further supporting a malicious intent to execute code.

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` `5eca1e32e8da986d822549333fa696433bb7e5b9f9b4fc75e8c94d0445655d17`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	42706 bytes
Detection ClamAV: Pdf.Exploit.Agent-36830 Obfuscation or payload: unlikely

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