PDF malware analysis — malicious · d5268fb4c08f5fbd

MALICIOUS

PDF

4.4 KB

MD5: d10685367946887a38667d3563f2e5a2 SHA-1: 45c39af73c643da125e865b284373c9edeb1a2dc SHA-256: d5268fb4c08f5fbd6488cf1a63c00b1900ab468d8f478db87ae253fb56e853f4

98 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.004 Command and Scripting Interpreter: PowerShell

The PDF sample exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to LibTIFF XFA image handling. This exploit is designed to achieve arbitrary code execution. The presence of XFA forms and the use of ASCIIHexDecode and ASCII85Decode filters are common in exploit delivery. The extracted artifact 'stream_000_off00000207.bin' likely contains the exploit payload, which would typically download and execute a secondary stage.

Heuristics 5

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains XFA image data with an inline crafted TIFF payload and shellcode/delivery markers. This is the data-bound variant of the CVE-2010-0188 Adobe Reader LibTIFF/XFA exploit shape.
ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX

Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
ASCII85Decode filter (with exploit indicators) low PDF_FILTER_85

ASCII85 encoding filter present alongside exploit delivery indicators — uncommon outside of obfuscation
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_000_off00000207.bin` `2efdf2bf602e5ce7c7f7915107c8d07044f3de32ef181b19d7c8028dcaf75876`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x207	13469 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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