PDF malware analysis — malicious · 321108d1282f54da

MALICIOUS

PDF

100.7 KB

MD5: 6eb2046bcf921a17bfc7c8ae66027059 SHA-1: 7ec03f1185be5fa02c1657211a53c546180c836c SHA-256: 321108d1282f54da3d742bfc6a78117b6fd65b912d0419ae43570d9cc285f0b4

88 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file utilizes XFA forms, a known vector for embedding malicious scripts. ClamAV detection 'Pdf.Exploit.Agent-6136306-0' strongly indicates malicious intent. The embedded script payload, though not directly analyzed for its specific actions due to its size and potential obfuscation, is the likely mechanism for exploitation. The presence of XFA forms and embedded scripts points towards a delivery mechanism for further malicious activity.

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_00000246.bin` `afad186b541d3cc6149489eb4899e845f2335c2eed9f66df71189eabda961b8d`	pdf-embedded-script	PDF raw stream script payload at offset 0x246	102374 bytes

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