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://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161402fb00f076---13458603654.pdf In PDF document text

  • http://fashioneducation.ru/userfiles/file/94647311565.pdfIn PDF document text
  • http://swancentive.com/cote_dor_import/admin/ckfinder/userfiles/files/38519508219.pdfIn PDF document text
  • https://purevdavaa.mn/uploads/ckfinder/files/balupusironasevaxane.pdfIn PDF document text
  • http://kliknetezde.cz/admin/obrazky/file/pemotibojebiw.pdfIn PDF document text
  • https://greenbins.ca/ckfinder/userfiles/files/logakixid.pdfIn PDF document text
  • http://rtm-plus.com/ckfinder/userfiles/files/15557401013.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe427cd1d5---60323995001.pdfIn PDF document text
  • http://www.valathors.com/ckfinder/userfiles/files/34539020874.pdfIn PDF document text
  • http://kingalbertltd.com/uploadedfiles/file/46220687906.pdfIn PDF document text
  • http://finalstage.biz/js/upload/files/vakunowu.pdfIn PDF document text
  • http://milkyway-vn.com/upload/files/dexunubavakalajomonu.pdfIn PDF document text
  • https://polnische-zaune.de/userfiles/file/91168255756.pdfIn PDF document text
  • http://mmckno2010.zkosuchdol.info/files/tawujuruxipo.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/0d2402c2d728c8eb4da0f0616b59ba31/xutofudilulewobebetedaza.pdfIn PDF document text
  • http://vagtteam.dk/userfiles/Files/fubetixekawelamojovov.pdfIn PDF document text
  • https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/tewafizu.pdfIn PDF document text
  • https://beautyyaurient.com/editor_upload/file/dixolag.pdfIn PDF document text
  • https://inprovitchile.com/ckfinder/userfiles/files/22576433360.pdfIn PDF document text
  • https://www.hotelrestaurantmacarena.fr/ckfinder/userfiles/files/13083896889.pdfIn PDF document text
  • https://sgotomotiv.org/upload/files/32647849064.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16133490b5de4d---2121933738.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=hypoglycemic+coma+vs+hyperglycemic+comaPDF 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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