Malicious PDF — malware analysis report

Static analysis result for SHA-256 bca0bee13fe289de…

MALICIOUS

PDF

2.6 KB
MD5: 75f4bcdaf9dc56ab6be483663627ce9c SHA-1: 4f9d7af69e05afcf1ddeae080a71ccdfc261257f SHA-256: bca0bee13fe289debf64030de8f1642cab51b195a1a031dd885b19deb163f0f5
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1204.001 User Execution: Malicious Link

The PDF file contains an embedded malicious object that exploits the CVE-2010-0188 vulnerability in Adobe Reader. This exploit is designed to download and execute a secondary payload, as indicated by the ClamAV detection and the embedded file artifact. The document body is unreadable, but the exploit and embedded file are strong indicators of malicious intent.

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
fa398335f1d98282da007bb22241d0ee72350123c43fa3f4fa1661078b7dbb67
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x5D 13415 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).