PDF malware analysis — malicious · bedb828387cddc58

MALICIOUS

PDF

14.6 KB

MD5: 96111bed24025a65ea1adf8ec1232de0 SHA-1: 5f8c05c7ccab3498700e95a85dcb59e472250ab9 SHA-256: bedb828387cddc58e35d17841916eae2337a5435a875a5c13a6e25a59e684f34

148 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF document contains an embedded script payload and triggered critical heuristics for PDF exploits and embedded file detections. The embedded artifact 'embedded_pdf_script_00000329.bin' was detected by ClamAV as 'Pdf.Exploit.Agent-36809', and the main file was detected as 'Pdf.Exploit.Dropped-78'. The presence of an XFA form suggests a potential vector for exploit delivery. The embedded URL is likely part of the exploit chain.

Heuristics 5

ClamAV: Pdf.Exploit.Dropped-78 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
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.
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://www.xfa.org/schema/xfa-template/2.5/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_pdf_script_00000329.bin` `feee020e323f459a73185f184ebc027c1cebe5c6cc790c9b353b6ccb5af686a5`	pdf-embedded-script	PDF raw stream script payload at offset 0x329	14248 bytes
Detection ClamAV: Pdf.Exploit.Agent-36809 Obfuscation or payload: unlikely

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