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://oniceh.ru/uplcv?utm_term=insight+teacher%27s+book+pdf PDF link annotation

  • https://gameadvisers.com/js/new/fckeditor/userfiles/file/16626074421.pdfIn PDF document text
  • https://mygenius.ru/admin/ckfinder/userfiles/files/24215140581.pdfIn PDF document text
  • http://adgroup.co/userfiles/file/xetag.pdfIn PDF document text
  • http://studioghittigargnano.com/userfiles/files/pelerexolunofutafofenuba.pdfIn PDF document text
  • http://rancholasmonturaspremios.com/campannas/file/70254106147.pdfIn PDF document text
  • http://awfiowv.love-mrt.com/upload/files/32967315485.pdfIn PDF document text
  • http://plise.org/userfiles/file/sibidifusorip.pdfIn PDF document text
  • https://vipbeachhouse.com/uploads/editor/file/20061424766.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/1f469a8d5d752f5692b77fb30e5a1fc6/vutola.pdfIn PDF document text
  • https://myclubowners.com/userfiles/files/9704478910.pdfIn PDF document text
  • https://charterfori.ir/basefile/charterforiir/files/16795380972.pdfIn PDF document text
  • https://www.cdsale.org.au/application/third_party/ckfinder/userfiles/files/37371427139.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161452b470bd63---riwamedasipujijada.pdfIn PDF document text
  • http://skkl.cn/filespath/files/20210922190412.pdfIn PDF document text
  • http://artbaget.net/admin/ckfinder/userfiles/files/57030996647.pdfIn PDF document text
  • http://classtool.info/upload/files/60371970462.pdfIn PDF document text
  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d3ff9627a4---96651225483.pdfIn PDF document text
  • http://mvpbuilding.com/userfiles/file/karagakako.pdfIn PDF document text
  • http://birkhoffhi.com/userfiles/files/40653218753.pdfIn PDF document text
  • http://boekenwinkelindex.nl/images/uploads/lamobenu.pdfIn PDF document text
  • https://terminarz.online/kosmetyczka/krakow/files/potukirexokitonabus.pdfIn PDF document text
  • http://skia22.ru/pic/file/35609333380.pdfIn PDF document text
  • http://valencia.thepokeluau.com/uploads/files/22698014124.pdfIn PDF document text
  • https://rubin2000-distribuitorshop.ro/userfiles/file/38118741147.pdfIn PDF document text
  • http://yamamatoen-wanwan.jp/ckfinder/userfiles/files/13440911317.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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