PDF malware analysis — malicious · f98905e17aeccff7

MALICIOUS

PDF

11.8 KB

MD5: 566334df03a87e455f6cfa2ff8a74adc SHA-1: c30d0a829674c2a867794d498e538f309e1aafee SHA-256: f98905e17aeccff7c7e00fd46f9f162b03e452dabdfa2e3e5cce19b468182c41

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF file contains embedded script payloads and is flagged by ClamAV as Pdf.Exploit.Dropped-78, indicating it is designed to exploit a vulnerability. The presence of embedded files and XFA forms further supports its malicious nature. The primary attack vector appears to be the exploitation of a PDF vulnerability to 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` `20a4e47656d87f56a8b149300a85c453f6a8b610ce8f4542d4e7f32d6ffc46a8`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11351 bytes

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