PDF malware analysis — malicious · 9c0fc93fb0ee2dd7

MALICIOUS

PDF

4.4 KB

MD5: 00a520d6012f8554c695d12467c6ed58 SHA-1: 8cffbccf64da11ae1977f438deda885a8ddf48ea SHA-256: 9c0fc93fb0ee2dd7346396b3ae52165179851571606a654f9eb5507576196261

98 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The sample is a PDF file that exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms and LibTIFF image parsing. The heuristic firings indicate that the PDF contains an embedded, exploitable XFA image payload. This technique is commonly used to achieve arbitrary code execution, typically to download and run a second-stage malicious payload. No scripts were extracted, but the exploit itself is the primary indicator of malicious intent.

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` `2cde60b65d97cc66e4fa496fee46c5f58ccdfe431a6c0907c84d3c8d5dccbe61`	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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