PDF malware analysis — malicious · 34d414435ad4c2f0

MALICIOUS

PDF

19.1 KB

MD5: 966c6984796acc8009471d367333bb3e SHA-1: 3449eb7e61077bae7e88d48a6b6e25cced3433cb SHA-256: 34d414435ad4c2f0a182580dc8e20fdb4495af485c3eef66e60927edff2ac77a

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution: Malicious Attachment T1553.005 Subvert Trust Controls: Mark-of-the-Web Bypass

The PDF file contains embedded content and an embedded script payload, as indicated by the PDF_EMBEDDED_SCRIPT_PAYLOAD heuristic. ClamAV detection of 'Pdf.Exploit.Dropped-78' strongly suggests it's a known exploit. The embedded file and script are likely used to download and execute a second-stage payload.

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` `5df0d5599840ecda3e0dbb4529c426de3faf31e0271b24320b1eaa761b88c9b1`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	18794 bytes

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