PDF malware analysis — malicious · ac13f19d96e59eb1

MALICIOUS

PDF

42.8 KB

MD5: 6f11b785c0425720479b2994e763e78b SHA-1: 44d6e0736eaac4e8f099a1f4108ab65294361b67 SHA-256: ac13f19d96e59eb167ea1808cc7f0372276ea3a0d186a5f55e252f888588443b

156 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution

The file is a PDF document detected as malicious by ClamAV with the signature Pdf.Exploit.Agent-36830. It contains an embedded script payload and an embedded file, indicating it is designed to exploit vulnerabilities and deliver a secondary payload. The embedded script is heavily obfuscated, making its exact function difficult to determine, but its presence strongly suggests malicious intent.

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` `3ed3b5fe586c6a9c5b93e59ecb6c37fd72ff852bdb109133704e78c138d1865e`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	43055 bytes
Detection ClamAV: Pdf.Exploit.Agent-36830 Obfuscation or payload: unlikely

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