PDF malware analysis — malicious · 1ec4041b58d7bb15

MALICIOUS

PDF

11.7 KB

MD5: 8619a5a03c132f194fc33effb713807d SHA-1: e771b4a365c10173cb193ede08ea1f12c2ac5cd5 SHA-256: 1ec4041b58d7bb15cfb15bd1410f20d54b30f117f57d7df5cbfc43adaca98a40

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF contains embedded script payloads and is detected by ClamAV as Pdf.Exploit.Dropped-78, indicating it is designed to exploit vulnerabilities. The embedded file and XFA form suggest a complex delivery mechanism. While specific URLs are present, they are not directly indicative of a payload download, and the primary threat appears to be the embedded exploit.

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` `110b2ee99456a1a2084a0c9e1d73a6e1ae027628a28da7ef70ef5b7a0060685f`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11240 bytes

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