MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure. It contains a screenshot disguised as an image, with embedded links pointing to various domains, many of which appear to be compromised CMS uploads. The primary lure likely directs users to a site for 'random quiz questions with answers', which is a common pretext for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.5388
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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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 42 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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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://nomylo.ru/uplcv?utm_term=random+quiz+questions+with+answers PDF link annotation
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/98g1rlur2es28615qu5ec4m8f9/80137376156.pdfIn PDF document text
- http://groupkaishan.com/d/files/molerununaxijofetiv.pdfIn PDF document text
- http://romanakladatelstvi.cz/userfiles/file/82283484962.pdfIn PDF document text
- http://akicgiyim.com/userfiles/file/bupiliverad.pdfIn PDF document text
- http://ya-ke.cn/admin/upload/58093063337.pdfIn PDF document text
- http://al-bandak.com/userfiles/file/54601936744.pdfIn PDF document text
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a02d43a2184---22886020730.pdfIn PDF document text
- https://diphong.com/uploads/58658602130.pdfIn PDF document text
- https://esperanzadeavila.com/fotos/file/65267312359.pdfIn PDF document text
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/bsahaft7cvrvf683ktfttri3rh/85088739858.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608424fc081f0---fisux.pdfIn PDF document text
- http://hotararicedo.ro/files/files/vovaf.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075cd28cc121---kujidosavibazajivisego.pdfIn PDF document text
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/78e3e5ba82364adec02219b8d52b6ed4/9449362458.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa383ae08a1---39638233365.pdfIn PDF document text
- http://zerosquareonline.com/file/46525267838.pdfIn PDF document text
- https://prokoncept.hu/admin/blogfck/image/file/94163860964.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a880776afe5---pagigipijorojiziwu.pdfIn PDF document text
- https://tahubunting1.com/contents//files/55592536395.pdfIn PDF document text
- http://banlinhkienlaptop.com/userfiles/file/wivuv.pdfIn PDF document text
- https://apz-arte.com/ckfinder/userfiles/files/rabifumigimifik.pdfIn PDF document text
- https://vestol.bg/files/file/damotujumuzesofemanu.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16088295c16dc9---84727088842.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b807f68f78f---95627306091.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa279292474---24513284142.pdfIn PDF document text
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/9ibupkjbod1q3s2lqnbsr9ca62hrp1tu/29030331428.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aff060d094e---sorozumasizugako.pdfIn PDF document text
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