Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://chcial.ru/uplcv?utm_term=problemas+de+division+de+fracciones+resueltos+para+sexto+grado PDF link annotation

  • http://bagliodeimille.it/userfiles/files/82698752085.pdfIn PDF document text
  • http://jcpingie.be/public/files/zuwolaguni.pdfIn PDF document text
  • http://aklond.com/UploadFilesfile///2021050704062372.pdfIn PDF document text
  • http://melly-incendie.fr/img_db/74141601341.pdfIn PDF document text
  • http://igabana.com/upfolder/e/files/20210628090221.pdfIn PDF document text
  • http://chongros.com/userData/board/file/visituwepelitut.pdfIn PDF document text
  • http://sadex.pl/fck/file/wawenug.pdfIn PDF document text
  • https://goooinggroup.com/userfiles/files/20210730_041504.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608986e2d0c81---taromanukab.pdfIn PDF document text
  • https://photojet.bg/userfiles/file/29696309719.pdfIn PDF document text
  • http://tweedehandswikkelaar.nl/app/webroot/files/userfiles/files/48145905106.pdfIn PDF document text
  • http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160bcf41adb82f---78934995719.pdfIn PDF document text
  • http://antansconstructions.com/ckfinder/userfiles/files/48079363331.pdfIn PDF document text
  • http://asiancfea.org/userfiles/file/32564197263.pdfIn PDF document text
  • https://apoiotelecom.com/imagens/img_fckeditor/file/tovijuvuwar.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a036f63db65---97993909944.pdfIn PDF document text
  • http://nessium.net/userfiles/file/59103896529.pdfIn PDF document text
  • https://rh4-h1tapi-turbo.com/contents//files/biweforun.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160702d7f4ab5f---5505284852.pdfIn PDF document text
  • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a25eeab3166---wulekugedunomimuxugag.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/pahc22kmqk853r4blq7o573715/63735606816.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160811077b3d38---42520745009.pdfIn PDF document text
  • https://www.eos.org.eg/ckfinder/userfiles/files/46986479524.pdfIn PDF document text
  • http://primebrokeragetx.com/ckfinder/userfiles/files/75108637754.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16094d45b8b4a6---13668896592.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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