PDF malware analysis — malicious · b1650a4256b01a72

MALICIOUS

PDF

3.4 KB

MD5: 49bbc1b9362564fcb7ebd85e41e05a9b SHA-1: 8c3121f30ab010b88ec67a09cecaa17ac99d66bb SHA-256: b1650a4256b01a72bcae9a6a6315c22f0173460adb55b0098abc0519136ce920

78 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF sample contains an XFA form and triggers the critical CVE-2010-0188 heuristic, indicating it exploits a vulnerability in Adobe Reader's handling of LibTIFF XFA images. This exploit is designed to achieve code execution, likely to download and run a secondary payload. The presence of ASCII85Decode filter further supports the exploit delivery mechanism.

Heuristics 4

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.
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_off000001e9.bin` `7105cee56178011050148f982197f7334d50ac1e914521c7b3e375455f57b263`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x1E9	13469 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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