Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c14e7ee510afb88…

MALICIOUS

PDF

10.4 KB
MD5: a018d4a0d6e7fb1ee4b3ee053a5f2b45 SHA-1: 5adda8788faa33b68089adb82fbc19647427512c SHA-256: 3c14e7ee510afb88772b776dbd855f706a9193d16ec974364fdf6413cc8c07a5
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 presence of an embedded file suggests it may be used to deliver a secondary payload or exploit. The document body is unreadable, preventing further analysis of its specific lure.

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
614f516664cb8223666bf320bddab095aea097b4533753ad0d9eaed056403aa1
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x84 13408 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).