PDF malware analysis — malicious · 8b1aeb9f7ab12521

MALICIOUS

PDF

11.8 KB

MD5: 8ff004f1d9e7244861442eb081e482a4 SHA-1: e999163cd829794b0d848270ac6aab72f8cd9d8d SHA-256: 8b1aeb9f7ab125213c5ab5bd18aa0964840ffbf1a1b1f61f753e46c539e172e4

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1553.005 Mark-of-the-Web Bypass

The PDF file was detected as malicious by ClamAV with the signature Pdf.Exploit.Dropped-78. Static analysis revealed an embedded script payload within a PDF stream and an embedded file object. These components suggest the PDF is designed to exploit vulnerabilities or trick the user into executing a secondary payload, likely contained within the embedded file.

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` `fd485ee7da82a01622a380c93e14866fc93784fc1e96c76448b4208864e460ea`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11325 bytes

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