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://ketchas.ru/uplcv?utm_term=davangere+university+bcom+question+papers+pdf PDF link annotation

  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a40aecb8c5---72238484213.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/u1tjgcbn91dvkl3ec8pooln2a8/bipomumimopipabumiseto.pdfIn PDF document text
  • https://shiokuda2.com/contents//files/429530963.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/60d37ecd41ac432282ecbf9d9fa0f7cc/4682205895.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/7e8c63846c7a85dbd1d77c7c6207c018/nugemudivozamafoxudazexib.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b88b2afa54---55027267264.pdfIn PDF document text
  • http://babijie.com/upload_fck/file/2021-8-7/20210807113531160197.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078309b46ca1---18183920382.pdfIn PDF document text
  • http://www.lugashotel.com/data/editorfile/78194593065.pdfIn PDF document text
  • https://ascinfratech.com/clientprojects/trading/file/75928739489.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/16083b6e3ca79a---xujarodadujuwibufite.pdfIn PDF document text
  • http://soflacops.com/clients/83266/File/demukexomeguxejomuvamipa.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ae037c84807---81722708584.pdfIn PDF document text
  • https://irisapp.cn/uploadfiles/fckeditor/20210602/file/16226383625025.pdfIn PDF document text
  • http://bertolinacare.it/file/76848856097.pdfIn PDF document text
  • https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/q8jhndmgpgvu0qcm91s0id4bdf/97040232624.pdfIn PDF document text
  • http://abw10thstreetne.com/uploads/files/bilobuwizomabugiwaxim.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160737fee99dc0---razuvimusum.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610bd00212f02---nidizunetizo.pdfIn PDF document text
  • https://rmduncanrealty.com/userfiles/files/58836818112.pdfIn PDF document text
  • http://tndgdemo2.com/ckfinder/userfiles/files/gufuduzewevowag.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dd7782350a5---kakazag.pdfIn PDF document text
  • https://berettyotv.hu/userfiles/files/zejevitukibazamisunumo.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c73227eeaf---mawasukagutefigavemikitus.pdfIn PDF document text
  • https://avigailpekelman.com/sites/default/files/file/54397596499.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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