PDF malware analysis — malicious · c16e401dcd3338be

MALICIOUS

PDF

11.8 KB

MD5: 3dd68f7b0401ef065cad1eaa989168ff SHA-1: 9ac86ee724431d0d12725288f1b4784d872d9365 SHA-256: c16e401dcd3338be7c21c04864b489320e83f01a04d25490abdba8f122033a64

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF file contains embedded script content and is flagged by ClamAV as Pdf.Exploit.Dropped-78, indicating it's designed to exploit a vulnerability. The presence of an embedded file further supports the payload delivery mechanism. While no specific family is identified, the attack pattern suggests a malicious PDF used for dropping further malware.

Heuristics 5

ClamAV: Pdf.Exploit.Dropped-78 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
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` `f5025b943633639f15ef67317479b3fb2efbc27cc21143c38f8d53efab480de3`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11311 bytes

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