MALICIOUS
182
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories, contains embedded JavaScript and uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.8134
Heuristics 7
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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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 41 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://queure.ru/uplcv?utm_term=integers+vs+whole+numbers+and+real+numbers PDF link annotation
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/be47633c214f403d93f86bdbc86debdf/woposegipawunelejik.pdfIn PDF document text
- http://haohanlegend.com/Uploadfiles/files/nirovorule.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca3cd7501a5---31373659555.pdfIn PDF document text
- https://footballsod.com/images/ck-uploads/files/99922419618.pdfIn PDF document text
- http://kzlo.pl/fotki/fotki/file/fofukiwir.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/3d7e64430b61c404715684704c8ca58b/puzudejobamapodizoreverat.pdfIn PDF document text
- http://abnicum.com/files/file/93053284160.pdfIn PDF document text
- http://fedoro.ru/upload/file/7660682302.pdfIn PDF document text
- https://registracijakoncar.com/webroot/js/ckfinder/userfiles/files/lixubididimilelama.pdfIn PDF document text
- http://esoftland.com/userfiles/file/111429972.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607057eaf060d---73574332893.pdfIn PDF document text
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/160781512236af---38836527693.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de85e6149e4---47909037366.pdfIn PDF document text
- http://www.doctor-carpet.com/wp-content/plugins/super-forms/uploads/php/files/8hqfve2e8bs9ckvbjlbnammsh2/1705221031.pdfIn PDF document text
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098fc0cf2132---senaxudoxizotazokujolakik.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a97b76e5848---40310175684.pdfIn PDF document text
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/812684cd3f1cf1c0594810c9e7517830/49067140781.pdfIn PDF document text
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1609a7648a1d79---80849183556.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/d866c919857fb573994309d9013ab3b3/21709598232.pdfIn PDF document text
- https://dakotaterritorydevelopment.com/ckfinder/userfiles/files/40100681987.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b62cd1a30---sedurusatataguxagasek.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6d52330eb---73103286609.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/eec3b9750572b6b91fcfcf6e27710a23/46951641159.pdfIn PDF document text
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