PDF malware analysis — malicious · b189448cf9c110e2

MALICIOUS

PDF

318.3 KB

MD5: 2c629002ec5dec33ab6c931ecc9fd1f2 SHA-1: 74f2d59d4b8d1b62d21fa43d3930af2f3691c876 SHA-256: b189448cf9c110e245dfddf02321932771c512357d1d57679a56f04b08e6bf85

78 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an embedded XFA form that triggers the CVE-2010-0188 vulnerability in Adobe Reader. This exploit allows for arbitrary code execution, which is a common method for delivering secondary payloads. The embedded file itself is likely the next stage of the attack. No specific family could be identified from the available evidence.

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` `776652e641fe56545d1e29b013a1b3391c05a7f86c0de72ae7462a4504f080ec`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x54	640170 bytes

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