PDF malware analysis — malicious · dc82f34e451a1eea

MALICIOUS

PDF

4.4 KB

MD5: 2fed272a350a699ecb875bce987dacfc SHA-1: a90ccfd189800325ce98b1d01ed0d70694672a20 SHA-256: dc82f34e451a1eea772faa53fc9cdf76aa71122097f076a070710ef6154d95ea

98 Risk Score

Malware Insights

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 exploit signature strongly suggest that this PDF is designed to deliver a malicious payload upon opening in a vulnerable reader. The heuristic firings indicate the use of PDF filters like ASCIIHexDecode and ASCII85Decode, often employed to obfuscate exploit code within PDF documents. The extracted artifact 'stream_000_off00000207.bin' is likely the decompressed exploit payload.

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` `5467390bae775af5e355e548f2b3c5325fde8f0535da4de8038f0cee10077be5`	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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