MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious. It contains numerous links pointing to compromised websites and disposable hosting, indicating a link farm designed to redirect users. The presence of external URIs and compromised CMS upload links suggests an attempt to distribute malicious content or phish for information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://chcial.ru/uplcv?utm_term=enterprise+architecture+in+information+technology PDF link annotation
- http://kimhoatra.vn/upload/fckimagesfile/54152273575.pdfIn PDF document text
- http://www.dereformasenalicante.com/archivos/files/6945575662.pdfIn PDF document text
- http://blevy.com/ckfinder/userfiles/files/rizofologodudo.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee43e5510f---renogovikosuwawolub.pdfIn PDF document text
- https://www.douggoodkin.com/admin/ckfinder/userfiles/files/satuvuf.pdfIn PDF document text
- http://tehpromyar.ru/media/file/laxivopanesix.pdfIn PDF document text
- http://highgaincomposites.com/img/file/2021717181727.pdfIn PDF document text
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/985f586873dad541e55eec88c06fefd3/3916189465.pdfIn PDF document text
- http://satakantaresort.com/user_img/files/77395605658.pdfIn PDF document text
- http://shreyaghoshal.com/konadnew/userfiles/file/44353438054.pdfIn PDF document text
- http://ort168.com/upload/ckeditor/files/pamir.pdfIn PDF document text
- http://trieuduong.com/images/Download/rulaludenizubalu.pdfIn PDF document text
- https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/db079c894a383e105630120dc5145f5b/46617081914.pdfIn PDF document text
- http://essiac.cz/UserFiles/file/pajasinavabanebixivavif.pdfIn PDF document text
- http://www.bsa.by/ckfinder/userfiles/files/vusikedazelalijevedav.pdfIn PDF document text
- http://ahs1968.com/clients/d/dc/dcea35c349c70fb55dca458fc6558ff6/File/34266898417.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16090d851ce836---59913715347.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160b5f4e2b1691---4256530369.pdfIn PDF document text
- http://dzbnf.com/upload/file///8609881341.pdfIn PDF document text
- http://joelcsimonesq.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/58659899101.pdfIn PDF document text
- http://jagodkaprzedszkole.pl/userfiles/file/papepu.pdfIn PDF document text
- http://fenotropil.ru/userfiles/file/mabuvotezanav.pdfIn PDF document text
- http://protok.pro/upload/files/pudodiriz.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_off0000db67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB67 | 11124 bytes |
SHA-256: 8f01b47d41c847764b64dba4c874f0f3c60cc7d8ddf7399fc5cd512875cf9264 |
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font_01_sfnt_off0000f536.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF536 | 17404 bytes |
SHA-256: 32cc419d611ba057cbb1ed23ba5a6c173f13a6e908e9e9064dbd1d46962ba31f |
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font_02_sfnt_off000121f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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