Malicious PDF — malware analysis report

Static analysis result for SHA-256 55c0d470106a4b9e…

MALICIOUS

PDF

2.6 KB
MD5: 3919d8198b743bb62b6da80f821f8f53 SHA-1: 07c82b00a238194915eb46f1ca60a7e0ec319706 SHA-256: 55c0d470106a4b9ec0c0b3ad522a6e52bc460a9c5f5b2148d75b6b5c059d5ea2
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1559.001 Component Object Model Hijacking

The PDF file contains an embedded XFA form with a payload targeting CVE-2010-0188, a known vulnerability in Adobe Reader's LibTIFF processing. This exploit is designed to execute arbitrary code, likely leading to the download and execution of a second-stage payload. The embedded artifact 'embedded_file_obj0001.bin' is also flagged as suspicious.

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.Dropped-90 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-90
  • 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
  • Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0001.bin
2b5b9bb809022009b355ada42e7267aee47c36c4e51f361fe6159edc9ac7d062
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x5D 13473 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).