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://coretry.ru/uplcv?utm_term=literature+review+on+technology+in+education+pdf PDF link annotation

  • https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/c73c07ea91753493ea9b1803b9719c32/lurew.pdfIn PDF document text
  • http://md-servicios.com/userfiles/file/74349453835.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160754a7948472---35049635455.pdfIn PDF document text
  • https://kcharp.com/ckfinder/userfiles/files/31798489075.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/52c71ff058bd0217a94c766ed23d0d96/9253123174.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/15f8396461f12cbbd041a1cb4fb4c116/dididuboxajikunijewesofo.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/8d439e820a9f3084eb8b2997241854d3/1825067294.pdfIn PDF document text
  • https://rezgame.com/calisma2/files/uploads/sisoduvigupifufinibi.pdfIn PDF document text
  • http://muszempilla.com/files/file/73815150076.pdfIn PDF document text
  • http://studioaba.net/userfiles/files/bitakel.pdfIn PDF document text
  • https://traonguoc.vn/wp-content/plugins/super-forms/uploads/php/files/5nj3p4b7ruaas9l1q1efqkeuic/67777564059.pdfIn PDF document text
  • https://ptkas.com/kingkong/userfiles/files/gekogamilux.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/262c4b7405669717ce70ac6d75c35209/gaxinebefi.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/mik53q8f4e33nr5khaq6lhmd22/55155332822.pdfIn PDF document text
  • https://www.mds-horizons.com/upload/files/ligekuna.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3191dabf17---70586709284.pdfIn PDF document text
  • http://laduses.nl/image/file/14849925599.pdfIn PDF document text
  • http://jnafarms.com/clients/864068/File/96368381571.pdfIn PDF document text
  • https://clarkfamilybuilders.com/home/clark/public_html/ckfinder/userfiles/files/5820561642.pdfIn PDF document text
  • https://anandamsanyal.com/userfiles/file/zonamani.pdfIn PDF document text
  • https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/53690421836.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0ffacb170c---54594192686.pdfIn PDF document text
  • https://nnt52.ru/userfiles/file/neroxikududozekaza.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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