PDF malware analysis — malicious · eaf039f826f0dfdf

MALICIOUS

PDF

50.8 KB

MD5: f2ddde13133fce8c0c235c2634f64612 SHA-1: f004d17b5ce074daefcbb5960fd71d38d976c641 SHA-256: eaf039f826f0dfdf4f8a4f5ec72fe16b3ec5646ca63017adbb02e7c312e68b33

118 Risk Score

Malware Insights

MITRE ATT&CK

T1566.003 Spearphishing Attachment T1204.002 Malicious File T1059.001 PowerShell

This PDF document was flagged as malicious by a machine learning classifier and ClamAV, indicating it contains an exploit. The presence of an XFA form and an embedded script payload strongly suggests it is designed to execute malicious code upon opening. The embedded script likely downloads and executes a second-stage payload, a common technique for initial access.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
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.
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_pdf_script_00000240.bin` `eadff6895a174b19fdb14d834844e1d55a98e0cb561d35bd9131e608e45faecc`	pdf-embedded-script	PDF raw stream script payload at offset 0x240	51326 bytes

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