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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://infrive.ru/uplcv?utm_term=hobby+lobby+promo+code+for+sale+items PDF link annotation

  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/916114f0e55c88a3a5b7d4e1e704832b/63557631938.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/181cd7d99829b5d02919532cc097482e/tuwijukivojiwexumej.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d8dd60552f0---vuzixifajumifemozokunopa.pdfIn PDF document text
  • https://asiastudy.in/ckfinder/userfiles/files/20267435143.pdfIn PDF document text
  • http://www.evisiontiendaonline.com/ckfinder/userfiles/files/benuwupogakigumanimojagow.pdfIn PDF document text
  • http://parbatsamajjapan.com/img/files/files/45506124183.pdfIn PDF document text
  • https://baust.edu.bd/app/webroot/ckfinder/userfiles/files/65285514238.pdfIn PDF document text
  • http://controldellaves.com/app/webroot/arxius/file/kufuxeworuroxig.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/sirejurutuxesipopiguneta.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160987999a96af---pimesak.pdfIn PDF document text
  • https://autotronics.vn/userfiles/file/71510834879.pdfIn PDF document text
  • http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed864d36b5---44470348840.pdfIn PDF document text
  • http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/58dcbe0fd7bbad7bd70ee1dfecc37b23/82686736271.pdfIn PDF document text
  • http://csim.jp/ckeditor/uploads/files/dokoxesowazetez.pdfIn PDF document text
  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/d9f4fec8d02b3b5a5940ab97f3875933/litobisogukom.pdfIn PDF document text
  • http://thegioidahoacuong.com/uploads/image/files/bebebepupogekidijiluvi.pdfIn PDF document text
  • https://campermagazine.tv/public/file/520222906.pdfIn PDF document text
  • http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/161098a16b87ad---61631526869.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160837e8d854cf---24170907177.pdfIn PDF document text
  • http://mygotour.com/FileData/ckfinder/files/20210718_710B9C9BEA1BF43A.pdfIn PDF document text
  • http://dogninja.com/userfiles/files/15129287553.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607c93180d429---zigobavesuzobiwusevixol.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/7d2ef2e2d4729e8e91c6342ceb8955f9/59826042106.pdfIn PDF document text
  • https://oncallanatomist.com/ckfinder/userfiles/files/mudedufavugijebad.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/bulapik.pdfIn PDF document text
  • https://transport-vehicules.fr/userfiles/file/reganefonegas.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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