PDF malware analysis — malicious · 3178555757d942e2

MALICIOUS

PDF

5.0 KB

MD5: 052e8406547219d4ec10e4b37af1708a SHA-1: be09268dec5db94b35d0fb0353ffc2cb3cc54f57 SHA-256: 3178555757d942e22766db996f81f2c9d866f02ab5361c14cb4656362799a496

80 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The PDF file contains an embedded stream that triggers the CVE-2010-0188 exploit, targeting a vulnerability in Adobe Reader's handling of XFA forms and LibTIFF images. This exploit is designed to execute arbitrary code, likely leading to the download and execution of a secondary payload. The embedded artifact 'stream_002_off000002b0.bin' is the decompressed payload associated with this exploit.

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_off000002b0.bin` `d489c26b850638bab8581f2f25126e491eff5c5ebb4f61e41a8a859fc92a2aa7`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2B0	47411 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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