PDF malware analysis — malicious · ce7329bd1b9486c3

MALICIOUS

PDF

11.7 KB

MD5: 8718a0e4a3235e63fdf84626f88df62a SHA-1: 89e97c83a2ad7dbfcc58dba525ae8302ed257972 SHA-256: ce7329bd1b9486c3b8c7f1e6263e70555523cc3bb18c0cac2d6f997ec91cc8cc

98 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

The file is a PDF document identified by ClamAV as Pdf.Exploit.Dropped-78. Static analysis revealed an embedded script payload and an embedded file, indicating the document is designed to exploit a PDF vulnerability. The embedded file, named 'embedded_file_obj0008.bin', is likely the second-stage payload. The document body content is not indicative of a specific lure.

Heuristics 6

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
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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` `9e1fd669db6cce85f6803fbe7e6e20d6ee8dd6e5c2caac36f3f3dcca92d0f22e`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11232 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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