PDF malware analysis — malicious · 9d09bc05244e31f9

MALICIOUS

PDF

4.4 KB

MD5: 1d1f8020db23567dac91762c96ba23cc SHA-1: 6d13912121fe5353151f7d986ed7418a36ae2f80 SHA-256: 9d09bc05244e31f93e9eec878b988ca8ccfa40f2940b29eb9d78dd4901d99bc4

98 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The sample is a PDF file that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms and LibTIFF. The exploit is embedded within an XFA image payload. This indicates the document is designed to deliver a malicious payload upon opening in a vulnerable version of Adobe Reader. No scripts were extracted, and the document body contained only garbled data, suggesting the exploit is the primary mechanism for compromise.

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_off000001f9.bin` `d6f8191b840474d2c69ade33b13ef24bcd12b25d574af6bbed2eeca7b34b787e`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x1F9	13469 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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