MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a malicious link farm designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://smidgel.ru/uplcv?utm_term=subject+and+predicate+exercises+with+answers+for+class+6 PDF link annotation
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b26702e2bc6---9198003949.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/4be3c1b471d97525ba6ddb1bfcefe73f/25271023901.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f988a3fdfd---96512867971.pdfIn PDF document text
- https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/3d1ce05d16449eac68023ba28e428bff/3446430491.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/8c58513641b1bb65ce2a5328f4f2f822/56668662481.pdfIn PDF document text
- https://bajrahrs.com/userfiles/file/36055503750.pdfIn PDF document text
- http://www.asap-recruitment.net/upload/file/97425720178.pdfIn PDF document text
- https://powermailer.in/userfiles/file/vewififuxejerovitotakalet.pdfIn PDF document text
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/tagijapaludenagodasomere.pdfIn PDF document text
- https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/1e7e0a7ddb48f5276ecf19037dc460b8/xisikazodibagatadiluji.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/c37hdro7v2l1ai7m4dui274uh4/16879300628.pdfIn PDF document text
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/2e2698e09bbc8d11db661173b1e70863/8760221734.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/sozezolikotora.pdfIn PDF document text
- https://broodjedenbosch.nl/ckfinder/userfiles/files/bobirezunegegamonelalifug.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160941149661bb---12738284433.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/a8bacadf52c898b7d589a882ba7ee115/mosibemonus.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000101f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101F1 | 5876 bytes |
SHA-256: 93f6dfd8270a387bad06dc44c938c9be5b13fe4374d8981d26de0761e34d3986 |
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font_01_sfnt_off00011604.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11604 | 10832 bytes |
SHA-256: d65315578468d8329b1026b241d06b99746d3263b6131347ae985aeae9ee04b2 |
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