PDF malware analysis — malicious · 3a68f83e35640f46

MALICIOUS

PDF

27.5 KB

MD5: 8ae182802b535ddcbe09062f981b1e2e SHA-1: d344863da2d107c05c2bd99dcb43fc0bb7287b8c SHA-256: 3a68f83e35640f46da5beca487f2697288f0366a065ce7bb6ff7ac7652af55d4

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

The critical ClamAV detection 'Pdf.Exploit.Dropped-78' strongly indicates this PDF is malicious. The presence of an embedded script payload and an embedded file further supports this, suggesting the PDF is designed to exploit a vulnerability and drop a secondary payload. The embedded URLs are related to XFA forms, which are sometimes used in PDF exploits.

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` `b496a508edaf648d78685e814648574c50979704a5b3ccc8223979da959deb73`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	27449 bytes

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