PDF malware analysis — malicious · 4999f13b139f4e06

MALICIOUS

PDF

18.4 KB

MD5: 1524474a434f31a7053262737dc017f7 SHA-1: 0ebc714a1011d8988e27a79acbdbae1832f7cb96 SHA-256: 4999f13b139f4e0642b65fb6b8b852bf1f4ac6c38f91c4628bf82e08e276b60d

80 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The PDF file contains a critical heuristic indicating exploitation of CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms. The embedded artifact, stream_002_off000002d5.bin, is likely the exploit payload. This suggests the primary goal is to achieve code execution on the victim's machine, enabling further malicious actions.

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.
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_002_off000002d5.bin` `6d8c53c22c4c7c998f2c2dae6f81f70bdd53c667745cee1efa05100782c19f9b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2D5	56604 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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