Malicious PDF — malware analysis report

Static analysis result for SHA-256 a45bbede9c685d97…

MALICIOUS

PDF

4.0 KB
MD5: 2e68a18ec09973cd1b885e5eb822614f SHA-1: 0a95f27cbde2ec2c0e5a707eae3598b9b070caac SHA-256: a45bbede9c685d972eb6eca5bdcef1e3dca169342853c81e11c165e223bb9151
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Phishing: Spearphishing Attachment

The PDF file contains an embedded TIFF image that triggers the CVE-2010-0188 vulnerability in Adobe Reader. This exploit allows for arbitrary code execution. The file was detected by ClamAV as Pdf.Exploit.Pidief-3, indicating a known malicious PDF exploit.

Heuristics 6

  • 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.Pidief-3 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Pidief-3
  • ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX
    Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
  • 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
01b2a2a01c9b0c1fa366c349d5882944a6f370a515f26ccc2927bd22d9bb5beb
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x6C 13441 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).