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 https://queure.ru/uplcv?utm_term=could+schizophrenia+be+cured PDF link annotation

  • http://hicoweld.com/shop/fck_file/file/movoga.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130171d6f4b3---7115278433.pdfIn PDF document text
  • https://skillmapmagazine.com/ckfinder/userfiles/files/bilifadi.pdfIn PDF document text
  • http://vibrobeton.by/pics/files/73911333167.pdfIn PDF document text
  • https://vozilasavozacem.rs/files/noxojutatewofopexajix.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/d6jl5akq8hmrphgqhehaqtjgf2/diparegalotojesasi.pdfIn PDF document text
  • http://olynskiconstruction.com/pics/file/29202498237.pdfIn PDF document text
  • http://travelport.pl/userfiles/file/90065740303.pdfIn PDF document text
  • https://888nv.ru/userfiles/file/fisosojimifuxugolixegi.pdfIn PDF document text
  • http://posekatzahradu.cz/files/file/rikugub.pdfIn PDF document text
  • http://dribblebar.pl/userfiles/file/bakuwopebifotabenotapozi.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/16141bb1e450ca---97986339686.pdfIn PDF document text
  • https://libyamonitor.com/sites/all/libraries/ckfinder/userfiles/files/79391428968.pdfIn PDF document text
  • http://epoptavky.com/is/images/FCKeditor/File/51369632962.pdfIn PDF document text
  • http://morecoredesign.com/images/imageUps/files/76330079706.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/626ce36c435911b9fa7638855a6b8e7d/87963045862.pdfIn PDF document text
  • http://klpa.net/userData/board/file/viketo.pdfIn PDF document text
  • https://eqonetech.com/upload/userfiles/files/4376877313.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1615a275f928a5---86816061275.pdfIn PDF document text
  • http://evergreendentistryva.com/app/webroot/js/ckfinder/userfiles/files/46080211968.pdfIn PDF document text
  • https://eprobatdz.com/ckfinder/userfiles/files/25360471891.pdfIn PDF document text
  • http://phongthuydotho.vn/upload/files/jigavoxisaponapukozus.pdfIn PDF document text
  • https://hung168.tw/UserFiles/files/29222567617.pdfIn PDF document text
  • http://rhondadejean.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/45645118811.pdfIn PDF document text
  • 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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