MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised websites or disposable hosting, suggesting a phishing or malicious redirection scheme. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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=kof+2001+plus+apk PDF link annotation
- http://fuzoku-kyujin.jp/ckfinder/userfiles/files/18606630658.pdfIn PDF document text
- http://inarchengineering.it/userfiles/files/82253811345.pdfIn PDF document text
- https://araprinter.com/ckfinder/userfiles/files/gatojomikifuvemubu.pdfIn PDF document text
- http://skybuildinfraprojects.com/uploads/11148654528.pdfIn PDF document text
- http://xy-interior.com/uploads/files/202109050433041144.pdfIn PDF document text
- http://thegioituigiay.net/uploads/files/ripigatewaje.pdfIn PDF document text
- http://qataminational.com/uploaded_files/userfiles/files/besimofetisol.pdfIn PDF document text
- https://optimumquestsolutions.com/ckfinder/userfiles/files/setofumug.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/161431a8c055c8---vixisudisitudavojip.pdfIn PDF document text
- https://channeloflove.com/ckfinder/userfiles/files/bebezadel.pdfIn PDF document text
- http://cozycornerexpress.com/uploads/files/2887958125.pdfIn PDF document text
- http://xn--eyt274i.com/upload/files/juxawovefawesowu.pdfIn PDF document text
- https://braindevelopmentmaps-org.neurondevelopment.org/userfiles/files/23475535500.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/ad27c46397f6ee019e26501f6b538af2/rotubuzu.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/67bd3c36ef3ccf36e42a0a7f18e55ee4/45310511730.pdfIn PDF document text
- http://cuadepthanglong.com/images/ckeditor/files/13592075218.pdfIn PDF document text
- http://hansungid.com/userfiles/file/1253396467.pdfIn PDF document text
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/da0a91e1aaeedf37deab8600b49f4ccc/zonatarikewusoparuzasimu.pdfIn PDF document text
- http://saiprogetti.net/userfiles/files/dawepanida.pdfIn PDF document text
- http://modernplating.com/userfiles/file/14955664998.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_off0000d7ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7BA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000efd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD1 | 10304 bytes |
SHA-256: 5ed2919d50ae32cd94977bd70e58998ce0d71939bcbc5dae958fd7fe651db3a1 |
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font_02_sfnt_off00010748.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10748 | 19368 bytes |
SHA-256: b55b4254f7fd0e4209114c1f0ea974d714d7bca921ab02112a6ec3941b2023b3 |
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