MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 6
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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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://synerhu.ru/uplcv?utm_term=android+telegram+source+code PDF link annotation
- http://mirai-kankyo.com/userfiles/files/fuvapagopivalodikagudu.pdfIn PDF document text
- http://tl-maskinfabrik.dk/userfiles/file/japibuvenorumupujesere.pdfIn PDF document text
- http://clubmaniacr.com/campannas/file/butogowadinawup.pdfIn PDF document text
- http://thueotodn.com/uploads/image/files/zutiguvagolafanoxab.pdfIn PDF document text
- http://szsahsh.com/uploads/files/28288829617.pdfIn PDF document text
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/f6aa81bbb6d4f190f35c1b8521d8fd11/38370508410.pdfIn PDF document text
- http://lagerunda.it/public/upload/file/77772040827.pdfIn PDF document text
- http://ceraunavoltapizzeria.it/userfiles/files/wubewetu.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/737527e48b07f0663451ffe2ddcf0a9e/liwabirurerenodotez.pdfIn PDF document text
- https://stotex.rs/files/87584657260.pdfIn PDF document text
- http://mariopresto.pl/userfiles/file/rejunigipisojugafib.pdfIn PDF document text
- https://inarsindbari.org/uploads/66171443068.pdfIn PDF document text
- http://fitviewer.info/files/file/1001330383.pdfIn PDF document text
- http://platcometals.com/images/file/20690781856.pdfIn PDF document text
- http://tischtennis-kiel.de/images/file/42727144334.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16136c2961b54a---45623221480.pdfIn PDF document text
- http://bridgestone-ice-cruiser-7000.ru/ckfinder/userfiles/files/99608276024.pdfIn PDF document text
- https://www.wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/fubok.pdfIn PDF document text
- https://gameclub.by/uploads/files/67933065686.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138e0f4a20ef---teramugawajo.pdfIn PDF document text
- http://webinaris.biz/ckfinder/userfiles/publics/files/93827361927.pdfIn PDF document text
- https://hainutedecopii.eu/ckfinder/userfiles/files/kaxajotokijakijudeva.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/c04595014c8d62eef542c8ac3fd26008/17246710671.pdfIn PDF document text
- 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_off0000b99d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB99D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d1b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1B4 | 10792 bytes |
SHA-256: 271f089669adf102aed00419ef593d94696d66b881fed3ef53334f335a188d5a |
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font_02_sfnt_off0000ea5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA5B | 15968 bytes |
SHA-256: c877e694cacdd3924d34b3c9416c6b954223c804ed221494b57693dad9ee8883 |
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