PDF malware analysis — malicious · 455a9f225f03bcf2

MALICIOUS

PDF

42.6 KB

MD5: 7c00b49e691707e8b199c03c1c61783b SHA-1: 08d3ffefc3ac3358385e1527e9fc449a4a20fdf6 SHA-256: 455a9f225f03bcf2698b8be39b1dd838814526ae1b34c4314f527db086449df8

156 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution: Malicious Attachment

The PDF was detected as malicious by ClamAV with the signature Pdf.Exploit.Agent-36830, indicating it exploits known vulnerabilities. It contains an embedded script payload and an embedded file, both common techniques for delivering secondary malware. The embedded URLs are benign or unknown, and the document body is heavily obfuscated JavaScript, preventing a clear understanding of the specific lure.

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` `55113c837d466fcc84d260b4348361a52dd6bda93fbb78cb7bc310d02f043641`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	42887 bytes
Detection ClamAV: Pdf.Exploit.Agent-36830 Obfuscation or payload: unlikely

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