MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://semsaesp.com/ckfinder/userfiles/files/sebag.pdf In PDF document text
- http://www.tlo.ntou.edu.tw/ckfinder/userfiles/files/59157131239.pdfIn PDF document text
- https://lordoptika.hu/files/files/29110455209.pdfIn PDF document text
- http://amandatravel.com/userfiles/file/liruvujuxapizebojemosi.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/3b6a162c3febcf6f8106922695124373/midakulu.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1610145c70db87---89330572497.pdfIn PDF document text
- http://pospatrans.cz/UserFiles/File/67441008523.pdfIn PDF document text
- http://adirondackseafood.com/ckfinder/userfiles/files/mazasujovufolo.pdfIn PDF document text
- http://kondicionery-ivanteevka.ru/upload_picture/file/77042280207.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/3ff9qcp0m2ksvisrldugqgf5sf/66222829443.pdfIn PDF document text
- http://xn--o39a91gvwm83kbsn.net/FileData/ckfinder/files/20210716_8F51AE9629555EB2.pdfIn PDF document text
- http://tamtamphat.com/upload/files/17367969181.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210515233249006.pdfIn PDF document text
- https://istocdukkan.com/userfiles/files/linutuseditizigezunil.pdfIn PDF document text
- http://alexanderjamesbackcatalogue.com/userfiles/file/57758277446.pdfIn PDF document text
- http://zartmobilia.com/userfiles/file/20210806010442.pdfIn PDF document text
- http://photou.cc//ckfinder/userfiles/files/33832534248.pdfIn PDF document text
- http://dungcubepgiangtrinh.com/webroot/img/files/namubibalaruwanupoxina.pdfIn PDF document text
- http://eau-msu.ru/ckfinder/userfiles/files/18237413541.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0535486a18---fowaso.pdfIn PDF document text
- http://xn--om2b25zm6igqb.com/ckupload/files/bugowad.pdfIn PDF document text
- http://indecomavo.pl/inc/32635796905.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160b4189c56d0e---sogijokojexobevolotuv.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=to+all+the+boys+2+watch+onlinePDF 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_off0000cc4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC4B | 17780 bytes |
SHA-256: acaaea8127f6e1cc15f1d40ebdfafd70ad310123fbfbea4b8db0e08f86d45a1b |
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font_01_sfnt_off0000faa0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAA0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000112b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112B7 | 10648 bytes |
SHA-256: f6d1bd7387536537bd9da13d7614208620eb82f4e47dadebb02f0ef5150ec6ad |
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