PDF malware analysis — malicious · 1b742c62915e9070

MALICIOUS

PDF

11.8 KB

MD5: 906f78ef0e2ad398fb67e420db344651 SHA-1: 71d83940da425e58366dbabdb1f0957603003dc2 SHA-256: 1b742c62915e90706e643a53c9d396f76f1e0ba3b34fe8c4128dd97b3d6eabbe

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF was flagged by ClamAV as Pdf.Exploit.Dropped-78, indicating it contains an exploit. The presence of an embedded script payload and an embedded file further supports its malicious nature. The embedded URLs are related to XFA forms, which are sometimes used in PDF exploits. The file's purpose is likely to exploit a vulnerability and drop a secondary 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` `1a7dba759fa69c58cbb1051597de8cf4a0b1e678a15f9bad072288ff4ee3924e`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11275 bytes

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