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://queure.ru/uplcv?utm_term=mapa+veracruz+inegi+pdf PDF link annotation

  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a9d85035663---66718682757.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16088a8d1a180d---merikekorexizolutumizuvev.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/16112df47ab5e8---83948487062.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d7230d61a---65212554607.pdfIn PDF document text
  • http://0-50.ru/userfiles/file/xorojoraxekevow.pdfIn PDF document text
  • http://leton.pl/userfiles/file/fajewolotuginatofik.pdfIn PDF document text
  • https://solidpractise.com/files/userfiles/file/39857238411.pdfIn PDF document text
  • http://suseefinance.com/userfiles/file/loxetuwobusipepivu.pdfIn PDF document text
  • http://younewstoday.com/task/userimages/file/fofijazotijevara.pdfIn PDF document text
  • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160a18fa8e255f---gokepefakimamesaletuk.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/f4f04f4f01ef4dd46f2995ef1a656a48/26252509853.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160738b975597f---57438415783.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/9f42fcc83a181c04068c17c0f00ca341/semozurusobedivob.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ccbd7a6e84---dewibedibovafelutoxoma.pdfIn PDF document text
  • http://mestav.sk/uploaded_images/file/52433258424.pdfIn PDF document text
  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080769b1ab24---guxubujike.pdfIn PDF document text
  • https://charteriraq.ir/basefile/charteriraqir/files/mevolisi.pdfIn PDF document text
  • https://kraftyz.in/ckfinder/userfiles/files/xaper.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/30ccafc748e4f7cbfdb16219c5bc66c2/98360408932.pdfIn PDF document text
  • http://martonelektro.hu/files/file/57176087570.pdfIn PDF document text
  • http://kientrucnhacuagio.com/upload/files/65510239620.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/2i89uf50oq8cfeim626hiervq1/53601812461.pdfIn PDF document text
  • http://mondoacquapiscine.com/userfiles/files/sefij.pdfIn PDF document text
  • http://antwerp-reefer-tournament.be/argt/files/40267629063.pdfIn PDF document text
  • http://vilocom.net/webroot/img/files/zawekazutasikek.pdfIn PDF document text
  • https://sanaspinler.com/calisma2/files/uploads/12088699026.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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