PDF malware analysis — malicious · fb83c8632df033ce

MALICIOUS

PDF

11.9 KB

MD5: 8fa45767a9459e824a392415bb3c926e SHA-1: 6e974c12dd1950536424e58032832d828c26afb4 SHA-256: fb83c8632df033ce43f2234738a1df7a972e98d3e45242f169c4cae24a607654

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF file was detected by ClamAV as Pdf.Exploit.Dropped-78, indicating it contains an exploit. Heuristics show an embedded script payload and an embedded file, suggesting the PDF is designed to drop and execute a secondary malicious component. The embedded URLs, while not directly malicious, are part of the PDF's structure.

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` `24dc0243d7423fcfcb83d375a6d6323d7f1aeb9bd5c5192b91376a8ebf532f9c`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	11424 bytes

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