PDF malware analysis — malicious · cfa33f5a2342d3dc

MALICIOUS

PDF

185.2 KB

MD5: f6be43a479387aa9ce1897aeafd739fc SHA-1: b50e2939651d13fd5cce222b2ba18d992eaf0a1c SHA-256: cfa33f5a2342d3dcbad9139e9155297e92f55ed78f967637a750a94cd3d5c78a

78 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell T1190 Exploit Public-Facing Application

The sample is a PDF document that triggers the CVE-2010-0188 exploit, targeting a vulnerability in Adobe Reader's handling of TIFF images within XFA forms. This exploit is known to facilitate arbitrary code execution. The embedded file and the specific exploit indicate a malicious intent to compromise the user's system, likely for further payload delivery.

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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