PDF malware analysis — malicious · ff03be5381d5bbe1

MALICIOUS

PDF

121.9 KB

MD5: 2a5648738cbe04fb43c78aa5745a8306 SHA-1: 0e9ad61b8bd94a23132cf5cf4c6f4cbfa5ccff15 SHA-256: ff03be5381d5bbe1f7223cd31d714d0d7ee04671fff0706096679577268bdb27

78 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The sample is a PDF file that contains an embedded object, triggering the 'PDF_EMBEDDED' heuristic. Crucially, it fires the 'CVE_2010_0188' critical heuristic, indicating exploitation of a known Adobe Reader vulnerability. The embedded file, 'embedded_file_obj0001.bin', is likely the exploit payload. The document body is heavily obfuscated and unreadable, but the critical heuristic strongly suggests an exploit attempt for client-side execution.

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.
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
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` `d7626b7e057b8a4a288c4d45ff8f8a5aff39c0e706a44e9b9f684864c9a123b0`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x51	13454 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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