MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The numerous embedded URLs point to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The file's structure and URL patterns are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://queure.ru/uplcv?utm_term=essential+elements+trumpet+book+1+free+pdf PDF link annotation
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/a3f9c5c231c1ee8551d32d5609ec2e6e/76286793827.pdfIn PDF document text
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160949732669e2---11521004809.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/9d39bd2cfa0bddfa6d31e73849988cd2/9546833979.pdfIn PDF document text
- https://grandplaza.bg/uploads/assets/file/nidibenuxamesavobipowan.pdfIn PDF document text
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/f5a309bf37955d229dad5a7afcd8be2d/85915675203.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608869b2a7289---tuxomokidovaxafizavupo.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/9mo61jdd25knc3j3akpqs0u0go/gawon.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/7dmebo8bqjuorvrkshpt5nf17c/turujixejiluz.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c5719d51afa---fapinizakikibemof.pdfIn PDF document text
- https://xn--80aaijzh9b.xn--90ae/documents/file/34182989361.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/36071d9678a0a5652907f2d95cec6614/weramaniwez.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160b64f72929d9---57111352020.pdfIn PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/7eb78adb4c9394e06b48c4acabd07f35/53169370612.pdfIn PDF document text
- http://pwmtqatar.net/userfiles/file/nuwexararuwimomeve.pdfIn PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/96e30cf98ef8a6ecd512ee722530590c/nojonuz.pdfIn PDF document text
- http://divorce-difficile.fr/userfiles/file/zibisupu.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609405266dafa---lazoxa.pdfIn PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/l2javi92cf4dnj4459tm7f2p2v/11568726441.pdfIn PDF document text
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/qr2k8sius0rnmid9k99j9jh0ss/ganoxibikurubuzafuzep.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://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_off0000b82d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB82D | 5400 bytes |
SHA-256: 4027481507185dcc2f7f386a4ca95527b47f35357a3e628fc302a6fcc903c8f7 |
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font_01_sfnt_off0000ca76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA76 | 10148 bytes |
SHA-256: a76a3a095240647e21711cdecf0cfb50a709fb85b5200c3f35e38775538797b1 |
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