PDF malware analysis — malicious · aefd4e6130b7e7fd

MALICIOUS

PDF

11.7 KB

MD5: 6b4687cf5590dd21b2ee63d5c1731c12 SHA-1: ea977ddf8d1ce9b60b0e73f570529b1ded3e729d SHA-256: aefd4e6130b7e7fd449d8350578c1737fe1938c8ea6b07869877ac2de681f896

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

The PDF file contains an embedded script payload, as indicated by the PDF_EMBEDDED_SCRIPT_PAYLOAD heuristic. ClamAV detection as Pdf.Exploit.Dropped-78 further confirms its malicious nature. The embedded file and XFA form suggest a potential exploit delivery mechanism. The primary IOC is the ClamAV detection signature.

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` `3411230f3d598ff27f785913f9baae5cbf811263bf844c114b67bbea623eb02e`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11202 bytes

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