MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript and a large number of external links, many pointing to compromised WordPress sites. The ClamAV detection indicates this is a known phishing or trojan PDF. The embedded JavaScript likely facilitates the redirection to malicious sites or further payload delivery.
Machine Learning
- Nyx PDF Classifier suspicious score 0.3498
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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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://krisoc.ru/uplcv?utm_term=silverback+steam+and+heating+rentals PDF link annotation
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd32f7a647f---11092210021.pdfIn PDF document text
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/b7e650c8fa4c1c6b702c15304e40f702/76511521020.pdfIn PDF document text
- https://ietc-oman.com/userfiles/files/dedifajidovikodaraz.pdfIn PDF document text
- http://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210630082432663764x92008.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a98a3bd98dc---29996465890.pdfIn PDF document text
- https://hiddencliff.kr/FileData/ckfinder/files/20210615_F5BA50E075BB6CA7.pdfIn PDF document text
- https://rockyshairsalon.com/wp-content/plugins/super-forms/uploads/php/files/2jickmt74u21hqrj5tq4tmp8im/miwowilekuwebuwilemep.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/4bf23cbe1b9d7c39938eaac5632c48d3/32011340422.pdfIn PDF document text
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/e893b4gpeitmsqml87ugn8enov/9550106726.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/fekp7bmed9j02jm5savon7c7q0/97350447699.pdfIn PDF document text
- https://gretajensen.com/ckfinder/userfiles/files/53010319656.pdfIn PDF document text
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/3a7d7bdbaabaf7dee7b38ee61ea1e6fd/fibawakem.pdfIn PDF document text
- http://bpabv.nl/uploadfiles/file/tobeniv.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c60865cd80---48744365359.pdfIn PDF document text
- http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1609c32f91772b---wajukoxokiso.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160858b7ecf757---50139911608.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a944c1d6061---datukozigux.pdfIn PDF document text
- http://sbnjl.com/userfiles/files/56850887005.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c446e711f2a---41013174649.pdfIn PDF document text
- http://coffee33.ru/archive/file/83512519288.pdfIn PDF document text
- https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ae33fb6d73---duzobofudaliziwebus.pdfIn PDF document text
- http://daindnc.com/fckeditor/userfiles/file/vumoxabiwisavafemuk.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a210c883206---mumoxixojafagi.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/nfr5tu8nkh84a4ke99hriv8piu/nolufitowiwikubuzezogula.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a00fbf89b5d---julakiliwosapovamorep.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1608757729681c---72325190607.pdfIn PDF document text
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