MALICIOUS
144
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was identified as malicious by ClamAV and an ML classifier, with heuristics indicating it's an image-only lure designed to trick users into clicking an embedded link. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, suggesting it's not meant for human consumption but rather to host clickable elements. The presence of external URIs and the overall structure point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.8883
Heuristics 5
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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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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 39 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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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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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://synerhu.ru/uplcv?utm_term=secret+life+of+bees+quotes+with+page+numbers PDF link annotation
- http://zamgph.com/FCKeditor/editor/filemanager/connectors/php/uploads/file/271651374018.pdfIn PDF document text
- https://www.suep.gr/ckfinder/userfiles/files/68466680369.pdfIn PDF document text
- http://panda-es.tokyo/yamituki-n/uploads/files/gumubigukume.pdfIn PDF document text
- https://aarushimukhwas.idealviews.com/userfiles/files/72647578591.pdfIn PDF document text
- http://thietkewebsite.btccorp.vn/uploads/files/96358588343.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147ad1946360---texurinawopo.pdfIn PDF document text
- https://argumentua.com/i/file/zozajewuligawulazomam.pdfIn PDF document text
- http://aktifbant.com/resimler/files/levejarujalo.pdfIn PDF document text
- https://emenu.hu/editor_up/13031855444.pdfIn PDF document text
- http://srtprogetti.eu/userfiles/files/78722018801.pdfIn PDF document text
- http://coming-c.com/userfiles/file/24459494231.pdfIn PDF document text
- http://szao-spb.ru/images/news/file/12055782679.pdfIn PDF document text
- http://htwy.com/upload/file/73436341173.pdfIn PDF document text
- http://naasschoolofmotoring.com/fckeditor/userfiles/file/96054454569.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615a819f6a7a5---89682720319.pdfIn PDF document text
- http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/85251291062.pdfIn PDF document text
- http://www.s4b.nl/upload/files/17596781183.pdfIn PDF document text
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