Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5fd5a23a7485de1…

MALICIOUS

PDF

1.7 KB
MD5: e77af450918d1c9d24dd14fa6726f8a0 SHA-1: 7e954fee0fde481ba785735fb90b54c25d3073ae SHA-256: c5fd5a23a7485de190976d5969185776fec8e198f2695400d504d56f07cd3e63
76 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF file contains an embedded XFA form that triggers the CVE-2010-0188 exploit. This vulnerability is known to be used for delivering malicious payloads. The exploit targets a vulnerability in Adobe Reader's handling of TIFF images within XFA forms. No document body text was available for analysis, but the critical heuristic firing strongly indicates exploitation.

Heuristics 3

  • 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 (matched inside decoded stream)

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0001.bin
086cb19a5de3dc4e5290e8a57f5f5efbf7368bf00657e448b5f8ae1ae58ecc78
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x51 13581 bytes