Malicious PDF — malware analysis report

Static analysis result for SHA-256 8b0f6ca283932973…

MALICIOUS

PDF

2.7 KB Created: 6613-01-01 Authoring application: 9356
MD5: d16f716362be54207e5cc2bd7f86a99f SHA-1: 668f1d34a04c858a298e5c7d67c26fac699f87f5 SHA-256: 8b0f6ca283932973ccbf894cfcef46c3b3826391cfd967ffaa5d8584cb906d17
96 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests this is an exploit. The extracted JavaScript file, 'javascript_obj0013_001.js', shows signs of obfuscation, typical of malware attempting to hide its malicious actions, likely to download and execute a second-stage payload.

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-36014 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36014
  • Suspicious extracted artifact medium 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.
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0013_001.js
cc0ee301c594f8d0e55cd888b5c30ecf6849bfe9f75159c829520e0554471139
pdf-javascript-stream PDF /JS object 13 at offset 0x328 4813 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 10 eval/decoder/string-building token(s). Carved artifact contains 3 long hex-escaped blob(s).