PDF malware analysis — malicious · ac7402bab32f18e5

MALICIOUS

PDF

19.2 KB

MD5: 3e8a12a5240f752a1380ca55b421c52a SHA-1: dd0e123cc3fb9014a7143b8cac59fcdada39a2f6 SHA-256: ac7402bab32f18e5a308575984abae09b5df4df0368fdc94eb0606f5f36ddf95

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF file contains an embedded script payload, as indicated by the PDF_EMBEDDED_SCRIPT_PAYLOAD heuristic. ClamAV also detected this file as Pdf.Exploit.Dropped-78, suggesting it's a known exploit. The embedded file artifact, 'embedded_file_obj0008.bin', is likely the delivered payload. The XFA form detected by PDF_XFA might be related to the exploit mechanism.

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` `f7a2e1584334b8b54695dfea0f3a3aecaec3ac240d73ce99cabbb2697f611b3f`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	18943 bytes

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