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://coretry.ru/uplcv?utm_term=c%C3%A1lculo+estructural+ingenieria+civil+y+arquitectura+pdf PDF link annotation

  • https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ba90a447d1---sovogeru.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b03b6b685ec---74002133291.pdfIn PDF document text
  • https://albizy.com/ckfinder/userfiles/files/7829975788.pdfIn PDF document text
  • https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/k4471lch26o4bdhkall4iar9l9/12967684383.pdfIn PDF document text
  • http://igorodstore.ru/files/userfiles/files/25937095058.pdfIn PDF document text
  • http://majortaylorride.info/images/uploaded/file/27124562204.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c94a914f57---pirisiwigexiwak.pdfIn PDF document text
  • http://sjar-tech.com/uploadfile/file///2021080607171767.pdfIn PDF document text
  • https://inncredel.com/uploads/20100048849.pdfIn PDF document text
  • http://summithigh75.com/clients/867147/File/14855772622.pdfIn PDF document text
  • http://mywayrtk.info/userfiles/file/97445875892.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087edb57fa4d---16042088147.pdfIn PDF document text
  • http://zatacorp.com/upload/files/67466889492.pdfIn PDF document text
  • https://verandapattaya.com/userfiles/files/musizibarijozezu.pdfIn PDF document text
  • http://cdhsalumni.com/clients/28864/File/zakemegumorepila.pdfIn PDF document text
  • http://mabifitness.it/userfiles/files/tivonogojidu.pdfIn PDF document text
  • http://www.saito-ken.jp/userdata/file/22019500324.pdfIn PDF document text
  • http://scales-center.com/shop/fck_file/file/55584908415.pdfIn PDF document text
  • https://nikosdimos.gr/userfiles/file/35440088160.pdfIn PDF document text
  • http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160832ecc66e00---mexeforineragi.pdfIn PDF document text
  • https://acronimocostanzo.com/userfiles/file/tituwaxu.pdfIn PDF document text
  • http://brilspa.ro/userfiles/file///2282055348.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6a6dc987c0---puludadifuxasuxun.pdfIn PDF document text
  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16075e0236b6c5---latekapexemasofufupojel.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/2dttql5q27ohhondeh6rvbt0n0/31114474187.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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