Malicious PDF — malware analysis report

Static analysis result for SHA-256 c954dc67bcc5bdf9…

MALICIOUS

PDF

2.6 KB
MD5: 3688a3eb01bc64cdc277b5852ee6556b SHA-1: 1a039550e8e2bd7bc78da05fce7441effc48b321 SHA-256: c954dc67bcc5bdf9a64850523228dd0740ae07036f7b71de37a16b96964692e4
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1204.002 Malicious Link: Click Fraud

The PDF file contains an embedded object and triggers the CVE-2010-0188 exploit, indicating it is designed to deliver a malicious payload upon opening in a vulnerable version of Adobe Reader. The embedded artifact, named 'embedded_file_obj0001.bin', is likely the dropped malware. The XFA form and embedded file heuristics further support the exploit delivery mechanism.

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
29e644c078f426576e351489d94ad6d232edb42fb02f118206e9bc15ea7fa0b4
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).