PDF malware analysis — malicious · 8bfdf68a126036a9

MALICIOUS

PDF

162.2 KB

MD5: 78c766a435b319b73750bee5ec53b439 SHA-1: 7337ff82f68b09425c6a96bb66704e871dd378dd SHA-256: 8bfdf68a126036a9649b566badf85d0e14388ec6fbe74b175b5a0b520cb1a059

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 exploit targeting CVE-2010-0188, a known vulnerability in Adobe Reader related to LibTIFF XFA image handling. This exploit allows for arbitrary code execution, which is the primary attack vector. The embedded file suggests a secondary payload is likely downloaded and executed.

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
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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