PDF malware analysis — malicious · b1664883abfede26

MALICIOUS

PDF

36.4 KB Created: eval Authoring application: gfhersdd

MD5: fe6a117a75dcf6f07a20f5ffff8ca92f SHA-1: d3dcf3a62c10e005c3255153121c3849577872b7 SHA-256: b1664883abfede2625692ef7140317dafec06cedc6b1dbd1ffba498b575fafa0

80 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The PDF file contains an embedded XFA form that triggers the CVE-2010-0188 exploit in Adobe Reader. This exploit allows for arbitrary code execution. The embedded artifact 'stream_002_off000002e7.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_off000002e7.bin` `d980db416a918cfcdf9aba5611104480efeb24af9aeb0e0e947ae873a453d85b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2E7	50029 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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