PDF malware analysis — malicious · d33ad5ebc4868cde

MALICIOUS

PDF

170.7 KB

MD5: 88f3f0857796e770ee7ca5feffb3b25b SHA-1: f90d07900d9af286e2e519cd2aafc54d18351ffa SHA-256: d33ad5ebc4868cdeea97affced43b89975af76fd7922018274c6cb1d4a3e7715

80 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The sample is a PDF document that exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms and TIFF image parsing. The heuristic 'CVE_2010_0188' directly indicates this exploit. The embedded file and XFA form suggest the exploit is delivered via these mechanisms. The exact payload is not fully discernible from the provided evidence, but the exploit's nature points to arbitrary code execution, likely for downloading and running a secondary stage.

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.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED

The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PSSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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
`embedded_file_obj0001.bin` `e63b6fecd1fba5702cd247c52edc55b037106ea4059ae2900cd6e2c3fe5a4658`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x51	13430 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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