MALICIOUS
86
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious File
The PDF sample contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The presence of a PDF_EVAL firing suggests that the JavaScript is being executed, likely to exploit a vulnerability within the PDF reader. The ML classifier also strongly indicates maliciousness. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, though the specific URL or payload could not be determined from the provided evidence. No document body text was available for analysis.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
Heuristics 4
-
eval() call high PDF_EVALeval() found — commonly used for obfuscated exploit execution (matched inside decoded stream)
-
JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules. (matched inside decoded stream)
-
Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules. (matched inside decoded stream)
-
Embedded URL info EMBEDDED_URLOne 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://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://ns.adobe.com/xap/1.0/
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/pdf/1.3/
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objstm_0024_00.bin0e8052d28aa5a9fb507ec904e78f20cf58cbb6b410161ac797084d306a2ef22d |
pdf-objstm-decoded | PDF /ObjStm 24 0 obj (inflated) | 385 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.