PDF malware analysis — malicious · ba440741cd0f8bce

MALICIOUS

PDF

4.4 KB

MD5: 3365f24c7a50471329b020f4a6e8c6cc SHA-1: d3754fd92084bc7f8ab9df8bb6f4ba1ad88f1f30 SHA-256: ba440741cd0f8bced69c26d2b842919a8e66c5a54650f4ab940bde0f337563bc

98 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an XFA form and triggers the CVE-2010-0188 heuristic, indicating exploitation of a LibTIFF vulnerability within Adobe Reader. This exploit is designed to download and execute a second-stage payload. The presence of ASCIIHexDecode and ASCII85Decode filters further supports the malicious nature of the PDF.

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` `43ff7e0e2aa3a9b38b7227e7a6199ace0f4ed92753444c6b65194083e13a51f5`	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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