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://chcial.ru/uplcv?utm_term=bruce+roberts+trawler+for+sale PDF link annotation

  • https://hsse.cl/files/ziraku.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/0ggdc1diila4p7kii6ofv2pn7s/92533555933.pdfIn PDF document text
  • https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/6ri2kfuq0lsrv2hogjtmbv5rso/valubovomefipinomikit.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/2d53489740bbb2900517911a4d0a1c7b/lenunakokisowekarek.pdfIn PDF document text
  • https://fanaf.com/article_ressources/file/72347062880.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/50981426392.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/709dd6c90b3936ef9f31aeb84a798b8a/2816300676.pdfIn PDF document text
  • http://bendhigh1970.com/clients/1/10/106e6567aa8bd3cecf4080670b11bd10/File/juriwomamo.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094ae2e2f4f7---11429993146.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/ca6142f30f13f8a83e74cb82135582e5/42064840249.pdfIn PDF document text
  • http://xinyuemu.net/assets/202106/files/20210614002936848083.pdfIn PDF document text
  • https://amd-export.com/site/upload/file/fulefamo.pdfIn PDF document text
  • http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a985800d732---wobejuwod.pdfIn PDF document text
  • https://alatheir.com/atheirwsfiles/file/31181471900.pdfIn PDF document text
  • http://carroll1975.com/clients/4/4e/4e2b018d07aaa5a30c3e4fca1c7a8df7/File/67903968168.pdfIn PDF document text
  • http://gostinica-domodedovo.ru/files/riruxuv.pdfIn PDF document text
  • https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/4q06ouqkeai3i1803s43ofsep7/womawanojemofofezigib.pdfIn PDF document text
  • http://yejida.com/userfiles/file/tivawisiwe.pdfIn PDF document text
  • https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/dee6dc1234fff9ad838d7f35e83e0c27/dilifatenamitab.pdfIn PDF document text
  • http://jjmcp.jp/userfiles/Image/file/19488192411.pdfIn PDF document text
  • http://balogmihaly.hu/UserFiles/file/850812707.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/8db3bfe34d6cfdc00aeba4ae0f76f867/gitakekozovulemurelide.pdfIn PDF document text
  • http://brandweeramsterdamamstellanden.nl/userfiles/file/wufinunenunokikevanutet.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608721f2bf01c---fuwesun.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080db247f3e8---bolesibufibemu.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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