PDF malware analysis — malicious · 01751317b4d92096

MALICIOUS

PDF

73.3 KB

MD5: 1c1ecf75378a621cfcc5d114dc0c2b92 SHA-1: 154c0f5a4b442620970555e0d1fcc6efd156e54d SHA-256: 01751317b4d92096a6db6160dba4372d06e3907ce4e9f26f264812f4838406e2

180 Risk Score

Malware Insights

The PDF file contains an embedded XFA form that triggers the CVE-2010-0188 exploit, targeting a vulnerability in Adobe Reader's LibTIFF processing. The embedded script, when decoded, appears to be JavaScript intended to download and execute a second-stage payload, although the script is truncated and obfuscated. The ML classifier and ClamAV detection strongly indicate malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
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://www.xfa.org/schema/xfa-template/2.5/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_pdf_script_0000034e.bin` `5347e3b0235de4a0fae750991149969f17c30a79956ebddd13ddeedbd85da190`	pdf-embedded-script	PDF raw stream script payload at offset 0x34E	74342 bytes

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