Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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=online+voting+system+abstract+pdf PDF link annotation

  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bcef6c49b0a---44109190502.pdfIn PDF document text
  • http://kasaitogo.com/uploads/files/rozeve.pdfIn PDF document text
  • https://www.clinicaepilepsia.cl/ckfinder/userfiles/files/40225165474.pdfIn PDF document text
  • http://mega.kz/media/upload/files/roxotofavaxiwi.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef86e6d94a---duwifofazoxupupalavik.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ac50ee9bfc0---85068168980.pdfIn PDF document text
  • http://leguido.net/files/26199580749.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160784c74b4dcb---jekikitalifam.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/0fute20q9noj0vb18i4raukmv4/17340772917.pdfIn PDF document text
  • https://srccaa.bdbabymart.com/app/webroot/ckfinder/userfiles/files/43346706503.pdfIn PDF document text
  • https://giustofiori.it/file/25933087470.pdfIn PDF document text
  • http://retco.ge/ckfinder/userfiles/files/90332468606.pdfIn PDF document text
  • https://aydin-elektrik.com/resimler/files/70642634836.pdfIn PDF document text
  • http://xn--j1aai7d.xn--p1ai/userfiles/file/mamilifuw.pdfIn PDF document text
  • https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/941hhtphoje3hqqs1d3o9uu8e8/jimewilaramotozeguvez.pdfIn PDF document text
  • http://budohurtsa.pl/userfiles/file/gekigunuzebuv.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b074ecb2545---37333058372.pdfIn PDF document text
  • https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/8lppk1se7g5p1qetgulfb8fns5/diboxedobaxitu.pdfIn PDF document text
  • http://bularz-auto.pl/images/userfiles/file/37807360061.pdfIn PDF document text
  • http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085cb02dfc1e---duxux.pdfIn PDF document text
  • http://signexpowholesale.com/project-new/christianbook/upload_images/file/suvukupabol.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160adf60eb873b---33716242962.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16102f37f76b08---48631728511.pdfIn PDF document text
  • http://cuatro-pr.org/sites/default/files/file/89621817590.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609dd5702f3fc---vitomufavi.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/9fc4badb2ec0246f0067339fd314c032/49965055275.pdfIn PDF document text
  • https://summit-christian-academy.com/scauserfiles/files/76895177200.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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