MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, with high-confidence heuristics indicating embedded JavaScript and malformed exploit streams. The PDF contains numerous external URIs, many pointing to potentially malicious domains, suggesting an attempt to redirect users to phishing or malware download sites. The presence of embedded JavaScript indicates an attempt to execute code within the PDF viewer, likely to facilitate exploitation or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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 https://estduquebec.com/scripts/php/xenocode/lib/ckfinder/userfiles/files/69142846586.pdf In PDF document text
- http://autostyle-japan.com/js/upload/files/xinomamomuvibugapofawudid.pdfIn PDF document text
- http://pastoret.it/userfiles/files/88291908121.pdfIn PDF document text
- http://www.maderas-navarro.com/ckfinder/userfiles/files/63502251244.pdfIn PDF document text
- http://vswet.ru/f/47816000404.pdfIn PDF document text
- http://rmgoals.com/userfiles/files/pokuzujusatuzase.pdfIn PDF document text
- https://mywayrtk.com/userfiles/file/nipamewazumerisegasoj.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/woxemikasorukewuxofunin.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16130ecfd04bef---41156706086.pdfIn PDF document text
- http://lexus-custom.com/js/upload/files/76312686127.pdfIn PDF document text
- http://syntrend.critical.tw/upload/files/14398627999.pdfIn PDF document text
- http://asirakademi.com/resimler/files/53749014240.pdfIn PDF document text
- https://papersacksfactory.ae/images/bulk_images/files/tosixovokol.pdfIn PDF document text
- http://prime42.ru/userfiles/files/taduxe.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/60451728163.pdfIn PDF document text
- http://qamsar.org/userfiles/files/56771155672.pdfIn PDF document text
- http://www.sospapa24.com/lib/ckfinder/imgupload/files/baxazurelomopad.pdfIn PDF document text
- http://proclima-membranes.ru/userfiles/file/fekemiwesovevoleme.pdfIn PDF document text
- http://konditsionery-reutov.ru/upload_picture/file/83404859731.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16142b5c8db064---mogidom.pdfIn PDF document text
- http://nwatchonline.org/userfiles/file/ginipotitixit.pdfIn PDF document text
- https://adesso-moosburg.de/images/file/45355290673.pdfIn PDF document text
- http://execdentalclinic.com/uploads/ckfinder/userfiles/files/7018694859.pdfIn PDF document text
- http://konemara.hu/userfiles/file/28762261708.pdfIn PDF document text
- http://richardchong.com/userfiles/files/83634153773.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=visible+spectrum+frequency+rangePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d3bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ebd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBD2 | 11172 bytes |
SHA-256: 132991c6a5f6b78dc870bce3f66925d39ebf44e7133304053f91933f1d1229ec |
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font_02_sfnt_off00010575.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10575 | 17164 bytes |
SHA-256: be487d6215ed5f3403eadb8e4f1b544a419c8892008ed88edbace645e64dfbfb |
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