PDF malware analysis — malicious · 022e228fb59fba97

MALICIOUS

PDF

12.6 KB

MD5: 68b1629f727ca8bd6f2727ac078b5a9c SHA-1: 86a3c4599a333485be952bc004fb85baf6e0d849 SHA-256: 022e228fb59fba9715f60d732704eb3c4b16614e1b7debb0f3367361a64baeea

170 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.007 JavaScript

The PDF document contains embedded JavaScript that is likely intended to exploit the CVE-2010-0188 vulnerability in Adobe Reader. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded script, although heavily obfuscated, is characteristic of exploit payloads designed to download and execute further stages.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 6

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
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.
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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_00000359.bin` `1b3d617031b1a09bcfa0513667ca2547048665e5c006ada311b21aee35cdc32f`	pdf-embedded-script	PDF raw stream script payload at offset 0x359	12168 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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