Malicious PDF — malware analysis report

Static analysis result for SHA-256 396426cc445bcf0a…

MALICIOUS

PDF

3.4 KB
MD5: fd8f7d8d817c4a739b5d3693278f5ef4 SHA-1: ac0487e8eae9b2323d4304eaa4a2fdfce4c94131 SHA-256: 396426cc445bcf0a14633ffefc88cb8e3c34b8e7fde79aeea6ba71487f13aafb
138 Risk Score

Malware Insights

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

The PDF file contains indicators of the CVE-2010-0188 exploit targeting Adobe Reader. The presence of XFA form elements and a decompressed stream containing a potential payload further supports this. ClamAV also identified this as Pdf.Dropper.Agent-7250346-0, indicating a dropper functionality.

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.Dropper.Agent-7250346-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7250346-0
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • ASCII85Decode filter (with exploit indicators) low PDF_FILTER_85
    ASCII85 encoding filter present alongside exploit delivery indicators — uncommon outside of obfuscation
  • 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
stream_000_off000001e9.bin
9e2e14bb65b10c3cb6cd7d3e9d3968264049085ae08d8c8893c099e64af6be56
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1E9 13469 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).