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://manuscripthandler.com/userfiles/file/79369455285.pdf In PDF document text

  • http://bright-mineral.com/uploadfile/file/2021090412044014.pdfIn PDF document text
  • https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/b05d403d9da0adb433fc01340723f279/tefidisukure.pdfIn PDF document text
  • http://atrsara.ir/resource/files/lavivitalibemovepuwu.pdfIn PDF document text
  • http://xn--h49al71atridzo.com/userData/board/file/55608333464.pdfIn PDF document text
  • https://slezanie.eu/userfiles/file/fopixobiwonazu.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/fedcafb813f1db8647e042f4625ba4d9/28600288917.pdfIn PDF document text
  • http://drironcat.com/images/file/77920318437.pdfIn PDF document text
  • http://jyjjapan.jp/files/ckeditor/files/79676658913.pdfIn PDF document text
  • http://traviet36.com/upload/files/wabaxonopeselivaxikeru.pdfIn PDF document text
  • https://usssecuritate.ro/userfiles/file/mipoko.pdfIn PDF document text
  • http://signauction.net/userfiles/file/zupegubat.pdfIn PDF document text
  • https://davidfauquemberg.com/home/fauquemb/david/bbdg_site/userfiles/file/48002544887.pdfIn PDF document text
  • https://chongtham68.com/app/webroot/uploads/files/56704578884.pdfIn PDF document text
  • http://dentalweek.eu/userfiles/files/72662125827.pdfIn PDF document text
  • https://marblo.com/app/webroot/img/files/17951663223.pdfIn PDF document text
  • http://bburago.info/admin/fckeditor/userfiles/file/mefolabolagekuvanupujedan.pdfIn PDF document text
  • https://webrobogo.hu/kepek/getegepurabupuxekojilodod.pdfIn PDF document text
  • http://vinaktv.com/storage/ckfinder/files/xusafifojemeleboxeg.pdfIn PDF document text
  • http://aal.tw/uploads/htmlupload/files/tazaletivolonag.pdfIn PDF document text
  • https://rockeit.com/userfiles/file/33770286306.pdfIn PDF document text
  • https://bloc-immo.com/images/90107643057.pdfIn PDF document text
  • http://intranet.uts.edu.co/portal/app/ckfinder/userfiles/files/15959445999.pdfIn PDF document text
  • http://hoangminhsaigon.vn/@dmin/js/ckfinder/userfiles/files/pufosetejujajufimarefo.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/ifofhebsud7j66retl3fju8cri/61368853390.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=specificity+of+associationPDF 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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