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://xigmatek.com/upload/files/26205936972.pdf In PDF document text

  • http://elesi.eu/fichiers/files/43396109999.pdfIn PDF document text
  • http://sgyscom.com/upload_fck/file/2021-6-10/20210610193132306119.pdfIn PDF document text
  • http://temple.mo/userfiles/file/15559455811.pdfIn PDF document text
  • https://fanaf.comarticle_ressources/file/pawazu.pdfIn PDF document text
  • https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/937d4291aee8d59dfb7c14215ef761ce/kegekibexu.pdfIn PDF document text
  • https://acryl-bg.com/userfiles/file/musugafaxoku.pdfIn PDF document text
  • http://xn--m1age8bh.xn--p1ai/files/file/vukovuwewezodaxuda.pdfIn PDF document text
  • http://blueyee.com/upload/file/140703412784.pdfIn PDF document text
  • https://wecareprogram.org/images/file/zevurezavajepew.pdfIn PDF document text
  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/374950f5a64b9bd0bcb3863ec768d7a2/53198480154.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b188cda0b1a---wudexerewusarupufixu.pdfIn PDF document text
  • https://epgeptech.hu/ckfinder/userfiles/files/62182920387.pdfIn PDF document text
  • https://ev-owners.jp/userfiles//files/muxixafoma.pdfIn PDF document text
  • http://gamjagolla.com/uploads/files/64370311562.pdfIn PDF document text
  • https://diphong.com/uploads/95129508247.pdfIn PDF document text
  • http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609893f27cd8b---42556296008.pdfIn PDF document text
  • https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16078b46bc0cae---96875366904.pdfIn PDF document text
  • https://pindimana.in/uploads/file/lojezojowulajewukexid.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/2f51c2904520f9e93816dba6a8a506f8/kumobokesaditil.pdfIn PDF document text
  • http://smn1970.com/clients/d/d4/d44d2684521ac238e4bdef02d06179b0/File/guzuximitavimajowi.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609443f1bcd83---wuwetowelemisal.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608660d7c172d---52379636447.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bd7a35db286---28026855328.pdfIn PDF document text
  • http://ksiclubbiz.ksiclub.org/svnprojects/DHD/Source/images/files/68852198415.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=mcnemar+test+pdfPDF link annotation
  • 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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