MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 JavaScript/JScript
T1559.001 Component Object Model Hijacking
The PDF contains embedded JavaScript and a secondary embedded PDF, both of which triggered critical heuristics indicating malicious activity. The embedded JavaScript is likely used to exploit vulnerabilities within the PDF reader or to download additional malicious content. The presence of multiple PDF-specific heuristics, including those related to JavaScript actions and XFA forms, strongly suggests an exploit attempt. The URL for 'datanumen.com' was found, but its reputation is unknown.
Heuristics 7
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Secondary embedded PDF body has suspicious static findings critical POLYGLOT_CHILD_PDF_STATIC_TRIAGEA valid PDF body was found at a nonzero offset inside another container and its carved contents matched PDF exploit or lure heuristics. This catches polyglots where the top-level magic routes to ZIP/OLE while a PDF reader or downstream parser opens the hidden PDF payload.
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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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.
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XFA form low PDF_XFAPDF uses XML Forms Architecture — can contain script logic
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AcroForm button with action trigger low PDF_ACROFORM_BUTTONPDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
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Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGEOne 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.
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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.datanumen.com/apdfr/
Extracted artifacts 8
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
javascript_obj0040_000.js519a203f82a02b7050a36c35ae356164738d71dc68f65261680f686e5da3d109 |
pdf-javascript-stream | PDF /JS object 40 at offset 0x20DA | 12401 bytes |
|
Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact contains 1 eval/decoder/string-building token(s).
|
|||
stream_001_off00000aef.bin0f910ffeec733940f6ba1ae41dc6770eab5d615c05bccc95197878b62c8dc45f |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xAEF | 2928 bytes |
stream_002_off00000e4d.bin29cf1edfedd4f27f3c450646c5dc2510e6bf9e63eee1cd436ac517a465a2e1bf |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xE4D | 1650 bytes |
stream_003_off000011bc.js672d461752be4a970c8e9721164ce074d252b55d09d46cc09259d2ce4fc09f7f |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x11BC | 1546 bytes |
stream_010_off00005a6c.binfe122a09d8a0444608fdc5a6f4981a2dbd469f5bbfacb4bdd327c28ccc343e13 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x5A6C | 149 bytes |
stream_011_off00005b20.bin4a60a9864cdf7382475d51051a03fdc43b32c31eb508893ccfccece34957f9f1 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x5B20 | 56 bytes |
font_00_cff_off000083e8.binea8f409c7366ed46eeb553aa7b404f04641f482ba88463fbe253da60be5787e5 |
pdf-font-stream | PDF embedded font (cff) at offset 0x83E8 | 1138 bytes |
polyglot_child_pdf_off0003c00f.pdf974f6d58a26fe92b5f366564a51bfd7ec95d38e2ab6d0ef70f92ef59cce0836b |
polyglot-child-pdf | Secondary PDF body inside pdf container at offset 0x3C00F | 381979 bytes |
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