PDF malware analysis — malicious · 4329bf4e613e8ab3

MALICIOUS

PDF

5.1 KB Created: 2004-05-02 19:56:00 Authoring application: e

MD5: 93bcd8891f41423991d273712a15d426 SHA-1: e535a360c3c9a4ffeebd97b0f6d578cf3bc46080 SHA-256: 4329bf4e613e8ab3934eff690ef6c19b5cd7cd0d9c46624c0367ce74be9b4d03

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204.001 Malicious Link/Object T1059.001 PowerShell

The PDF file contains an embedded JavaScript payload that exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms. The heuristic 'CVE_2010_0188' directly indicates this exploit. The embedded JavaScript, identified as 'stream_003_off0000033c.js', is the likely second-stage payload. The file's purpose is to leverage this exploit to compromise the user's system.

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.
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.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED

The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off0000033c.js` `6b8e005c0ab76735ce49b699c45fc1742a6428d7f770868a2da9706d63104dd4`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x33C	52520 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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