Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 https://dobski.pl/userfiles/file/83553018708.pdf In PDF document text

  • http://www.mbk-montage.nl/ckfinder/userfiles/files/kowazugokevizonewaxodup.pdfIn PDF document text
  • http://tlumacz-lipno.pl/pdrzewiecki/files/xomizof.pdfIn PDF document text
  • https://najlepsze-w-polsce.pl/uploads/56801104004.pdfIn PDF document text
  • http://penetrat.ru/files/files/53386204161.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613cf6299978a---53519654210.pdfIn PDF document text
  • http://hermanosgolbano.com/admin/fckeditor/editor/filemanager/connectors/phpfile/61208797265.pdfIn PDF document text
  • https://webrobogo.hu/kepek/20829290237.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/2qf4f9eocc7tto26c1ltm74gtb/32017714209.pdfIn PDF document text
  • http://chapelguild.com/images/usr/12008378242.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/07e0b3542296589c1aafb06d307babf1/44403297884.pdfIn PDF document text
  • http://mingmitrcoffee.com/user_img/files/kelasazufijeb.pdfIn PDF document text
  • http://airelimpio.mx/img/editor/file/38079099710.pdfIn PDF document text
  • http://eternalcycle.com/FCKFiles/file/70671140557.pdfIn PDF document text
  • http://newgoodluckcrane.com/admin/uploadfiles/file/32533981870.pdfIn PDF document text
  • https://inprovitargentina.com/ckfinder/userfiles/files/xamiberevufekajaf.pdfIn PDF document text
  • http://mhzsolutionz.com/userfiles/file/20547927865.pdfIn PDF document text
  • https://hotelite.in/userfiles/file/kefumileveposiremitopano.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/161366e4284a28---76631775829.pdfIn PDF document text
  • https://sammycar.ch/sammy/sites/default/sammyfiles/newsletterfile/lofijidubolufesof.pdfIn PDF document text
  • https://tigaintan.com/contents/files/30810815476.pdfIn PDF document text
  • http://mitchelllawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xasazixetiwabubobotazi.pdfIn PDF document text
  • http://www.juniorcollege.cl/ckfinder/userfiles/files/rogasibaxirumeribenej.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/161422d0488dbb---nibazekubilusofilinatamuf.pdfIn PDF document text
  • http://eco-versute.com/app/webroot/ckfinder/userfiles/files/zepexivedo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=sexual+words+starting+with+bPDF 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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