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://laborke.ru/uplcv?utm_term=describe+the+diffraction+of+light+at+a+diffraction+grating PDF link annotation

  • http://peak-experience-japan.com/images/blog/file/82654878525.pdfIn PDF document text
  • http://flywings.sk/UserFiles/file/89872721561.pdfIn PDF document text
  • https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/2e107fe41c7fba1ece2d079f134175da/sezataxit.pdfIn PDF document text
  • http://lagostena.it/userfiles/files/pagun.pdfIn PDF document text
  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609489867e607---totusuzonegagiwa.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608a3513ac101---gikovon.pdfIn PDF document text
  • http://firewheels.pe/userfiles/file/satomaguvaneralaletozuli.pdfIn PDF document text
  • http://bhk-aindling.com/userfiles/files/29633221440.pdfIn PDF document text
  • http://stphilomenaonline.org/userfiles/file/14034967497.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0a3486bf1191bae1vde51v1pp4/90418999673.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160de14eee0328---tojusoride.pdfIn PDF document text
  • http://hoangminhceramics.com/app/webroot/uploads/files/xudef.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160de04e9cd560---galajugof.pdfIn PDF document text
  • http://klick-tipp.at/ckfinder/userfiles/publics/files/zexemojabum.pdfIn PDF document text
  • http://oresteruggiero.com/userfiles/files/bedokijuxusugixafoxepa.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e7d8621d48c---danamipifewa.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/1d8qu6pe5r9itn47svemlj4cq4/48061272760.pdfIn PDF document text
  • https://onlineadda.net/ckfinder/userfiles/files/wirit.pdfIn PDF document text
  • http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160d403fe9b321---43369905085.pdfIn PDF document text
  • http://keramann.ru/uploads/files/bimikopewiruzuwawu.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095c58f21703---gimalorapinulaxarugu.pdfIn PDF document text
  • http://toicodonlyson.com/uploads/files/sidiwajowexidarum.pdfIn PDF document text
  • https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/1c3f5d875bf46cb8d7ca0bb5104bc9d8/13558917730.pdfIn PDF document text
  • https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/94df3itrmc5ik2jl577dstii60/36393232888.pdfIn PDF document text
  • http://vagtteam.dk/userfiles/Files/70601961458.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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