Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF 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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The 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.
• Embedded URL info EMBEDDED_URL
  One 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 http://topp.pl/_topp/file/91037272476.pdf In PDF document text

  • http://innotack.com/userfiles/files/xasexuf.pdfIn PDF document text
  • https://navliecky.net/userfiles/file/9583787948.pdfIn PDF document text
  • http://ckudzcssffhhj.handysociality.com/upload/files/bubijegexikeru.pdfIn PDF document text
  • http://focalthai.com/file_media/file_image/file/fukadi.pdfIn PDF document text
  • https://itracmediav5.com/ckfinder/userfiles/files/lajesavunuwutopudemeg.pdfIn PDF document text
  • http://xn--e42bt3l.net/upfile/files/nabewip.pdfIn PDF document text
  • https://yennenga.org/business_school/uploads/file/vemuz.pdfIn PDF document text
  • http://dryoucosmeceutical.com/userfiles/files/33548813745.pdfIn PDF document text
  • http://yomamasushitogo.com/uploads/files/20557331476.pdfIn PDF document text
  • https://zoomkish.com/basefile/zoomkishcom/files/49919976671.pdfIn PDF document text
  • https://imad0c0.com/js/ckfinder/userfiles/files/kedutufitevugedavuva.pdfIn PDF document text
  • https://burragebrothers.com/demo/jolie/beta/userfiles/files/nonuvagaka.pdfIn PDF document text
  • http://xn----7sbbbizu2bxaod.xn--p1ai/userfiles/file/24626980986.pdfIn PDF document text
  • http://msslink.ru/userfiles/files/nixorarirejokaji.pdfIn PDF document text
  • http://tlumacz-bialystok.pl/pliki/file/58210875921.pdfIn PDF document text
  • https://airshow-bg.com/file/6585445026.pdfIn PDF document text
  • https://livresdarts.com/ckfinder/userfiles/files/5043161786.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614014c2f3d4a---sereginusipof.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136e30096b5d---45956114265.pdfIn PDF document text
  • http://sendedianqi.com/upload_fck/file/2021-9-1/20210901230324865375.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/161342126bdb06---rodapavilo.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/1f6751c5555a69bcd41c501293092373/vanukubadumabazed.pdfIn PDF document text
  • http://arrhythmiaclinic.com/userfiles/file/20210910045905.pdfIn PDF document text
  • http://stagegator.scorchmark.com/stagegator/ckfinder/userfiles/files/84559904404.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=pull+strategy+push+strategyPDF link annotation
  • 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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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