PDF malware analysis — malicious · b82704c80d38d2e8

MALICIOUS

PDF

13.2 KB

MD5: ef6e5845d08158fd1affadcb5274536a SHA-1: 6cbab58d15cbba8d7c852a173f2d9430bfc10167 SHA-256: b82704c80d38d2e8347d91508863064e23374da2496a72b0bb0637dfb35c93ed

66 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded script content, flagged by heuristics as a potential payload. The ML classifier strongly indicates maliciousness. The embedded file, 'embedded_file_obj0008.bin', is likely the exploit or payload carrier. The script itself appears to be obfuscated, making a precise determination of its actions difficult, but it is indicative of an attempt to execute malicious code.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

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/xci/
- 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` `2ae5a121a780d17b0d30506770462bd628ad20b9ad6cb1ccf974c4627383d073`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xD5	12706 bytes

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