MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is classified as malicious by ML models and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to various compromised or disposable hosting sites, likely for phishing or malware distribution. The embedded URLs and the heuristic findings of 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest a phishing or credential harvesting attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609592234f723---55005160368.pdf In PDF document text
- https://nanyangtextile.com/userfiles/file/43021292052.pdfIn PDF document text
- https://sailstudy.in/ckfinder/userfiles/files/juwijokiwewefeku.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2e61a75dc---32313354762.pdfIn PDF document text
- https://ukdirectremovals.com/wp-content/plugins/super-forms/uploads/php/files/4ba9e3091bbcf49537a616ef410b5853/turisumez.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/16075703f8192b---69915387695.pdfIn PDF document text
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/5hs5d5t50tk67j5thn4lpnfb85/15535938435.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/91d0a5ad5355ef5f5475d671f6adf815/13122369574.pdfIn PDF document text
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/im7mnb3k0lrbk5httb0nhete62/welasefabujujiv.pdfIn PDF document text
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d063d94a2---99188057615.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8479c89a1---fizulurezogokafunu.pdfIn PDF document text
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608d04568349f---beboxixopepid.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8c5d4ba05---lomom.pdfIn PDF document text
- http://afgventuregroup.com/cfiles/file/lugafofaso.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=samsung+galaxy+s7+tablet+case+amazonPDF 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://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_off000159f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x159F1 | 5564 bytes |
SHA-256: 8286408f6bebf57386865bdf5b602992cacf21865c34409472bf5f1727376570 |
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font_01_sfnt_off00016cf2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16CF2 | 11012 bytes |
SHA-256: 16fa21d4c2975dbf25853457fcc9064185ae7ae23fcf4f060160d89d1fb5d673 |
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