PDF malware analysis — malicious · 06aff7856a4e259e

MALICIOUS

PDF

3.2 KB

MD5: d5c0a69a3e4b2efc5b6bcfc04b7e2d50 SHA-1: 59900a73cafbe856f6540192df115f260a618618 SHA-256: 06aff7856a4e259e4d9680bafc6a3b08d4b360ac3114359e6f23de7de5277122

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating it contains an exploit. The presence of an embedded XFA form and script payload strongly suggests the document is designed to execute arbitrary code. The embedded JavaScript, though heavily obfuscated, likely serves to download and execute a secondary payload, a common technique for initial compromise.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Dropped-78 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
Embedded script payload in PDF stream low 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 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_00000184.bin` `379b4b3b11fe128405f65e8e7c1010fb75805f42a0b6b7501c40bb83abe44ff6`	pdf-embedded-script	PDF raw stream script payload at offset 0x184	2567 bytes

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