Malicious PDF — malware analysis report

Static analysis result for SHA-256 e8ffdbd11f4c49c2…

MALICIOUS

PDF

5.8 KB Created: 2018-09-18 14:30:02 +03:00 Authoring application: dompdf + CPDF
MD5: e4a1ced02195d4523ebc70a7960e777d SHA-1: 50d716f69d3384fb8bdab4cfb3e648ae49f9f16a SHA-256: e8ffdbd11f4c49c24959172c23a1058776f8d29efaccc027550c05447a2ada73
74 Risk Score

Malware Insights

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

The PDF contains a fake invoice lure, directing the user to download an invoice from a suspicious URL. ClamAV detected this file as Pdf.Dropper.Agent-7318799-0, indicating it functions as a dropper for other malicious payloads. The embedded URL is the primary indicator for the next stage of the attack.

Heuristics 5

  • ClamAV: Pdf.Dropper.Agent-7318799-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7318799-0
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://iluzhions.com/Download/US/Invoice-85037731-September

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_000_off00000268.bin
b05b637ae43289321731980eb4876aca692478e8b78697d59c2be71220c61aae
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x268 7116 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 16 long base64-like blob(s).