PDF malware analysis — malicious · 48bca4ba7e4ef051

MALICIOUS

PDF

42.7 KB

MD5: 8ef34badc8631c53fcc826d518eadcc3 SHA-1: 5614f278cd74f126b66ba323f8e78ac240f4e9de SHA-256: 48bca4ba7e4ef0510df4fa4b689833afe92fb8af5f0a8792e01c5caab7310fa7

156 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution

The file is a PDF document identified by ClamAV as Pdf.Exploit.Agent-36830, indicating it contains a known exploit. The PDF contains embedded script content and an embedded file, which are common techniques for delivering malicious payloads. The script content appears obfuscated and is difficult to parse for specific actions, but the overall structure points to an exploit delivery mechanism.

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` `6134e14d4e2dabf5366719e18850ad4bd4443e2a83cf0c966efc5204f08cf069`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	42995 bytes
Detection ClamAV: Pdf.Exploit.Agent-36830 Obfuscation or payload: unlikely

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