PDF malware analysis — malicious · 52e6d9c45405ed73

MALICIOUS

PDF

7.0 KB

MD5: 5a9fe08f591d1dc829a178649a768a12 SHA-1: c820b44f7ce3aab7af33a00acc86139279c66df4 SHA-256: 52e6d9c45405ed73712f91a6f7f27d16b6af68a3123bcd273c7556ea88c34a26

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. The critical ClamAV detection of 'Pdf.Dropper.Agent-7212727-0' strongly suggests malicious intent. The presence of JavaScript, particularly with an unescape() call, points to obfuscation and likely the execution of a secondary payload. The extracted artifact 'javascript_obj0009_000.js' further supports this. The overall pattern is consistent with a malicious dropper.

Heuristics 5

ClamAV: Pdf.Dropper.Agent-7212727-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7212727-0
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
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.
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.

Filename	Kind	Source	Size
`javascript_obj0009_000.js` `b664dd21a07956b536e86abe7ec2685f610e3af5783c1dc81a55fe5f197a3a24`	pdf-javascript-stream	PDF /JS object 9 at offset 0xD6	5791 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 7 eval/decoder/string-building token(s).

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