PDF malware analysis — malicious · 9707019018da3827

MALICIOUS

PDF

12.3 KB

MD5: 5ef23643900eaf6c0f38d1185e0edf43 SHA-1: 932de9c0f3328851244ac21204a0e3139abc81b2 SHA-256: 9707019018da38270d77c5e1409266f1835cd469021ed02484109efb98f8228e

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

The critical ClamAV heuristic indicates this PDF is a known exploit dropper. The presence of embedded file and script payloads further supports this, suggesting the PDF is designed to exploit a vulnerability and download a second-stage payload. The embedded URLs are likely related to the XFA form structure but do not appear to be malicious themselves.

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` `c5f971630f877301964e53700a88f460d1668e105f9391d5168592ba34ce00fe`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	11822 bytes

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