PDF malware analysis — malicious · 41ae9fa38fdf0ca8

MALICIOUS

PDF

42.1 KB

MD5: 57aab1ccf572e8111abd0c26aff96147 SHA-1: 9f7e7e33c2b848ccae577dc0c70b2e0418d0de60 SHA-256: 41ae9fa38fdf0ca8492b9f666a90b92e122bfd1af89532e0d6a82d027e47d2d2

156 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution

The PDF file was detected as malicious by ClamAV with the signature Pdf.Exploit.Agent-36830. Heuristics indicate the presence of an embedded script payload and an embedded file, suggesting the PDF is designed to exploit vulnerabilities or trick the user into executing malicious content. The embedded file itself was also flagged by ClamAV.

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` `80da727dc96650c40fd6b50dbdbe1239b857ea2c526ec8c4963bd0f790f024e0`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	42344 bytes
Detection ClamAV: Pdf.Exploit.Agent-36830 Obfuscation or payload: unlikely

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