PDF malware analysis — malicious · 9fcc1551a3565aa9

MALICIOUS

PDF

624.4 KB

MD5: 91cb7d1ce196263cf5bc29aac55c3e11 SHA-1: b46043e3aa7425e77cdf33132bf2d2c7c95cfc11 SHA-256: 9fcc1551a3565aa97851396f1a6331af7760c1495a3e83cd52fafd156aa42470

138 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The sample is a PDF document that exploits the CVE-2010-0188 vulnerability in Adobe Reader's LibTIFF component. This exploit is designed to allow arbitrary code execution, which is commonly used to download and execute further malicious payloads. The ClamAV detection also confirms the malicious nature of the file.

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.
ClamAV: Pdf.Exploit.Agent-22334 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-22334
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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0001.bin` `4039e9c998334ff031d82f5ca110045c516b3c5ea8785535b9ad33d41166a47b`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x4F	13560 bytes

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