Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e05c3571385a286…

MALICIOUS

PDF

2.6 KB
MD5: ff32d972a971d2f67d03f0e920cd2586 SHA-1: 7c8cc1c635bb079a89c1e182226adeeea04b2993 SHA-256: 3e05c3571385a2865a0422700a3c81efe46680dcbdb337e26c5f9aa4ba7c5290
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment

The PDF file contains an embedded object that triggers the CVE-2010-0188 exploit in Adobe Reader. This exploit is known to be used for delivering second-stage malware. The ClamAV detection 'Pdf.Exploit.Dropped-90' further confirms the malicious nature of the file.

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
47be11a3f1b4d400e91c5ab565d1b5cc56cff60fdd5b6034938f9bdb23f47132
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).