Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ceb62b399e8cc7c…

MALICIOUS

PDF

10.3 KB
MD5: 19db6aec65a1b3165e08d0687448da6c SHA-1: 2aa0be70c52a4aebe95a3f367c702ab454d31fdc SHA-256: 2ceb62b399e8cc7c62c7a069cabf1a876db2437445b693a0b4d0873d11f247f7
78 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1027 Obfuscated Files or Information

The PDF file exhibits characteristics of malicious intent, including obfuscated objects and an embedded file, as flagged by ClamAV and static triage. The embedded file, named 'embedded_file_obj0001.bin', is likely a secondary payload. The presence of XFA forms and general PDF obfuscation further supports a malicious classification.

Heuristics 4

  • ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
  • 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
964f6e5fdf69e1b72339066474e897a94e8a6ba95bdb80d23d58c9734803a619
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x7C 13408 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).