MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many pointing to compromised WordPress uploads and disposable hosting, suggesting a link farm or phishing lure. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a deliberate attempt to obscure the true destination through a network of links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://bnbcostaverde.it/userfiles/file/jowobusifaxaki.pdf In PDF document text
- http://papaicountrylodge-longstay.com/user_img/files/refabupupuvomemajopobovub.pdfIn PDF document text
- http://lamekatus.ee/uploads/ckeditor/files/239645804.pdfIn PDF document text
- https://www.soroptimist.be/oldsite/intranet/ckeditor/ckfinder/userfiles/images/files/22304115052.pdfIn PDF document text
- http://musorcentrum.around.hu/files/article/file/nidepudilupub.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/e2908183cd9fa08402a843d109af0d82/dobunaborajatagorede.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/ae92506438a34bb9fce2fea0221e6494/lobosawebegonakokeved.pdfIn PDF document text
- http://dialog-seversk.ru/jsplugins/ckfinder/userfiles/files/8675435476.pdfIn PDF document text
- http://byecook.com/ckupload/files/rasereziwalunebov.pdfIn PDF document text
- http://sibaco.ru/ckfinder/userfiles/files/wurunimujarefuvekemor.pdfIn PDF document text
- http://giasudaihocsupham.com/Images_upload/files/7276809924.pdfIn PDF document text
- http://trust-law-firm.com/userfiles/file/20210911133141_1505569968.pdfIn PDF document text
- https://superpart.com/files/75776213376.pdfIn PDF document text
- http://elpijisystem.com/file/66510195633.pdfIn PDF document text
- http://gcsiva.com/files/userfiles/file/wajabosenof.pdfIn PDF document text
- http://pc75.net/upfiles/file/1630955738.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138c1283d678---lamitorabututizuni.pdfIn PDF document text
- http://www.specemc.ru/upload/files/fewumakenuvi.pdfIn PDF document text
- https://mtmhomeschool4art.com/mycms/uploadedimages/editorUploadedImages/file/mosakas.pdfIn PDF document text
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/50678878863.pdfIn PDF document text
- http://hongsung114.com/files/fckeditor/file/22800979529.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161343de65aca4---gorolozepijujusunujubosi.pdfIn PDF document text
- https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/16143dd74be23d---81573810141.pdfIn PDF document text
- http://goteneplast.se/files/images/file/92382057477.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=redmi+note+7+miui+12+update+in+indiaPDF 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_off0000e233.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE233 | 10608 bytes |
SHA-256: 4f8801ae37e73681764bb29e9dc31fe6f4411d2fda98cac5564a3f3d8e3b984b |
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font_01_sfnt_off0000fa89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA89 | 17956 bytes |
SHA-256: e99674f2d93c6e5c80ec6bfa77b635e652d970b032d1e5e05ad369bfa0b1f5db |
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font_02_sfnt_off00012993.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12993 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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