PDF malware analysis — malicious · fe4b47aa5830729d

MALICIOUS

PDF

42.4 KB

MD5: 62d950d960f91226af2088298e5ead11 SHA-1: 93dbc4ffd507e2397fe505687c9e6d9f570e2139 SHA-256: fe4b47aa5830729da316452604dc618cf1f20d23554cffd5cfbceda6eb4e9baf

156 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV detection 'Pdf.Exploit.Agent-36830' strongly indicates a known PDF exploit. The presence of an embedded script payload and an embedded file further supports this, suggesting the PDF is designed to deliver and execute malicious code. The script logic, while partially obfuscated, appears to construct a URL and execute it, consistent with downloading a secondary payload.

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` `328a0ad7e7565bdc03db43c9dd265e6fb3405fb60ed7aedd92d5ca7c6037bdc2`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	42623 bytes
Detection ClamAV: Pdf.Exploit.Agent-36830 Obfuscation or payload: unlikely

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