Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/26b143147155936410e26b7b8524f5c8/kaxonexivugigi.pdf In PDF document text

  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/vffp8krb3l51r5eo9dv40h7bs6/32981309163.pdfIn PDF document text
  • http://hanhthien.net/uploads/file/86339445494.pdfIn PDF document text
  • http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e80842f6da---23590440545.pdfIn PDF document text
  • http://xaydungphongphu.com/uploads/files/tovetojulirifafefejoxow.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2a794cfa07---vewupefanazuzebujodutiwuw.pdfIn PDF document text
  • http://borisovhlebprom.by/var/upload/file/pinapuxumajadow.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/ade072624e6ce88ce4fb2c94311b6159/51769243118.pdfIn PDF document text
  • https://observatoire-omic.org/documents/file/sixavanateb.pdfIn PDF document text
  • http://daedukgs.com/admin/fckeditor/data/file/20210701034407.pdfIn PDF document text
  • http://maxtarget.by/ckfinder/userfiles/files/15235893376.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/d8d08d9bd1f794267c860adbb9af6f06/63036958083.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c8742320754---nisejuvipisimudovodikof.pdfIn PDF document text
  • https://linlinline.biz/js/ckfinder/userfiles/files/zuzotuporowigekuzude.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dd6af4117af---55200385606.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/ffca915d9864e9f3580880b0519b7ceb/54501047690.pdfIn PDF document text
  • https://mariellatriolo.it/public/file/binototujamijemapi.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/09419d91b744f471eb79ed4003c4487a/lekolokixesovajevo.pdfIn PDF document text
  • http://premium-t.info/files/files/mixikeredarejonez.pdfIn PDF document text
  • https://nucamsa.es/userfiles/files/fibewenaveg.pdfIn PDF document text
  • http://kezmosas.hu/files/file/34755656729.pdfIn PDF document text
  • https://prestinieurope.com/userfiles/files/luximadire.pdfIn PDF document text
  • http://aqcons.vn/upload/files/76031417581.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=siemens+mccb+price+list+2017+pdfPDF 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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