Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://pixomot.ru/uplcv?utm_term=national+university+of+colombia+ranking PDF link annotation

  • https://inprovitperu.com/ckfinder/userfiles/files/29524807770.pdfIn PDF document text
  • http://iberia-ex.com/images/blog//file/80538448767.pdfIn PDF document text
  • https://chrmglobal.com/userfiles/file/jefutotinadumajefemapagil.pdfIn PDF document text
  • http://nakajima-ya.com/upload/save_image/files/86393587244.pdfIn PDF document text
  • https://texigo.tw/upfile/files/2021/07/30/nalix.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160fcf890af704---3068686425.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d473d711a7b---9478464455.pdfIn PDF document text
  • https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/d52835265d78e0b04260b4d699beac14/15417741278.pdfIn PDF document text
  • https://momentous-inst.com/uploads/image/files/96936324171.pdfIn PDF document text
  • http://cpils.com/userfiles/file/xibaxikad.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/a988b6962b5766f9310320e481f88548/91146853040.pdfIn PDF document text
  • https://ka-base.no/images_content/file/82630379924.pdfIn PDF document text
  • http://ekhoron21.mn/uploads/files/bubavisujoxilopunibobavob.pdfIn PDF document text
  • http://francescofesta.it/userfiles/files/6600157856.pdfIn PDF document text
  • https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/bd409a3a6c3bde541f6a054d1551006c/3390321900.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d698b778593---43679367289.pdfIn PDF document text
  • https://www.jscorporation.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609293edee443---vatomudafikavoka.pdfIn PDF document text
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161087d3b78526---bakenabisima.pdfIn PDF document text
  • http://15449010.com/FileData/ckfinder/files/20210813_D683849E26780D20.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088e525e9793---55055260790.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b63705656f8---31344055439.pdfIn PDF document text
  • http://rococosofa.com/files/files/12202290552.pdfIn PDF document text
  • http://fotossc.pl/_files/file/zerunomebuwir.pdfIn PDF document text
  • http://incucinaconalberta.com/userfiles/files/53823990890.pdfIn PDF document text
  • https://damiel.eu/userfiles/file/gegetugenubaz.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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