PDF malware analysis — malicious · f8619933a455fbd8

MALICIOUS

PDF

18.8 KB

MD5: 5673f1831a6bd32097440561d29ce662 SHA-1: 766e256a283e1f6a1a23062ab482d4d64e0a8bb0 SHA-256: f8619933a455fbd86e79f637f4c80f7a943e6b90868e893e0fcdcc933673b392

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The critical ClamAV detection 'Pdf.Exploit.Dropped-78' strongly indicates this PDF is malicious and exploits known vulnerabilities. The presence of an embedded script payload and an embedded file further supports this assessment. While specific script content is not detailed, the overall structure points to a delivery mechanism for a secondary exploit or 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` `596dfbf5b52a4a4368f4a79574fee9a9718661eabaa400a0d264e4c1925de088`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	18468 bytes

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