MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. It also features a large number of external URIs, many of which point to compromised or disposable hosting, suggesting a link farm designed to redirect users. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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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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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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://cructi.ru/uplcv?utm_term=voice+control+apk PDF link annotation
- http://studiotecnicodavico.eu/userfiles/files/82767412752.pdfIn PDF document text
- http://speaklifeiamgreatness.com/files/files/winusepe.pdfIn PDF document text
- http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/fetevowezuvoroju.pdfIn PDF document text
- https://sensiblemachines.com/ckfinder/core/connector/php/files/8981233595.pdfIn PDF document text
- http://potya.com/fobadu.pdfIn PDF document text
- https://www.sensiblemachines.com/ckfinder/core/connector/php/files/notazekafofopenosone.pdfIn PDF document text
- http://4bx.pl/public/file/63813941402.pdfIn PDF document text
- http://szsahsh.com/uploads/files/83391564362.pdfIn PDF document text
- http://tlw.ro/UserFiles/file/14897818495.pdfIn PDF document text
- https://nepalmicrofinancesummit.org/userfiles/files/73823261736.pdfIn PDF document text
- http://myoffice2561.sesao33.net/UserFiles/File/59474750116.pdfIn PDF document text
- http://ubest.ru/images/file/13579009467.pdfIn PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/29f8f4eb5ee8fe6d80f900b8f98b1f7c/xexelavefisuniw.pdfIn PDF document text
- http://kryotherapie.net/neu/userfiles/file/xutirovefotosiv.pdfIn PDF document text
- http://dierenwinkelindex.nl/images/uploads/12237113402.pdfIn PDF document text
- http://ildungrice.com/fileupload/fckeditor/file/7304388279.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613667474c281---zataripuk.pdfIn PDF document text
- http://veiligheidssloten.nl/ckfinder/userfiles/files/sifovajaba.pdfIn PDF document text
- https://robindayne.com/ckfinder/userfiles/files/58901955759.pdfIn PDF document text
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16136479fdf3a7---zisigogabawejupiwox.pdfIn PDF document text
- http://delfosventures.com/userfiles/files/76377138408.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141195a50691---perusaxobupaxowedesa.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_off0000c795.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC795 | 17932 bytes |
SHA-256: b91c36ea4a0d6e4111bdd3629753616ee2dbbab74c29ea08182c78b9fb28a81c |
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font_01_sfnt_off0000f68f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF68F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010ea6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EA6 | 10260 bytes |
SHA-256: 4880603fa1a61ff632f5963b45aec28cc290e3c6e6f44f183ceeaddcbaf22426 |
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