PDF malware analysis — malicious · 25d58c1676c1ae37

MALICIOUS

PDF

4.4 KB

MD5: 1f8ff60dd343857667930aa6096a7fb3 SHA-1: 424603c10566c49ebbd43d479dac4d93019246ff SHA-256: 25d58c1676c1ae371e3df3a3df0bbac5c66985978318188835b9ea64b9e0161e

98 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains indicators of exploitation for CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms and LibTIFF. The presence of XFA form elements and the matched inline payload strongly suggest this exploit is being leveraged. The PDF structure also shows the use of ASCIIHexDecode and ASCII85Decode filters, common in obfuscating exploit code. The extracted artifact 'stream_000_off00000207.bin' is likely the decompressed exploit payload. The overall goal is likely to achieve arbitrary code execution for further malicious actions.

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` `6f2e22a964337a68ed2a1d545e863f37dc0dbed33bad4c14fbd39534c3a141a0`	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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