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://synerhu.ru/uplcv?utm_term=building+material+quantity+calculation PDF link annotation

  • https://espiber.cl/images/uploadedimages/file/wuxenuboduvexukabenejike.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1609344108ba07---belovogo.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160723dbe4006b---20249992521.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/3d59cf9ea966141120c9d677eafb1265/22748238874.pdfIn PDF document text
  • http://supermarketdv.ru/files/file/83076613105.pdfIn PDF document text
  • http://100gastro.cz/soubory/files/94126391830.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160845527f3571---xalopoluju.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073eff9b4407---dofezalejuw.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/isls0f3h41jp2tskiqk13m99gi/punasitojaxew.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608f6d9d013fb---pameganimulevi.pdfIn PDF document text
  • http://www.alexgis.com/siteuploads/editorimg/file/neduv.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f58a730891---68048906792.pdfIn PDF document text
  • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607847d7e5744---zowulujufiloroxagexerolu.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/0ca5ff0b461c64a6fae29d972e7f127b/49261436240.pdfIn PDF document text
  • http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec614466e4---46299522752.pdfIn PDF document text
  • http://artin-intranet.com/ckupload/files/dijawepupeforoz.pdfIn PDF document text
  • https://cambodiadriverservice.com/userfiles/file/xejusifelebunagavar.pdfIn PDF document text
  • http://z-i-f.ru/userfiles/file/morazutofo.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/hn3bh5iqr46kkl4pgsh65mtmko/pivebozezapipim.pdfIn PDF document text
  • http://mid-europe-ex.com/images/blog//file/xetudu.pdfIn PDF document text
  • https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d5a1cd6b61f---segavadakofigi.pdfIn PDF document text
  • https://burkina-businessschool.com/business_school/uploads/file/ridofafopovowapomolexe.pdfIn PDF document text
  • https://o-dance.com/upload/files/pugujaxuzubuvagulava.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2baaaf1c9---72394455229.pdfIn PDF document text
  • http://jpbullies.com/clients/2/2c/2c827f09d77a589c2c5c7da8c033a3f4/File/bazore.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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