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://archism.ru/uplcv?utm_term=escala+de+daniels+para+la+evaluaci%C3%B3n+de+fuerza+muscular PDF link annotation

  • http://eastindiaspray.com/suvra/eastindia_spray/files/zuwexexipamasuwolowesumow.pdfIn PDF document text
  • http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bfeb9f6532e---kefonoboja.pdfIn PDF document text
  • https://comillaspostgrado.es/userfiles/file/miwubetiliwezaroxedemu.pdfIn PDF document text
  • https://mandarinkinesiska.com/userfiles/file/74926482213.pdfIn PDF document text
  • http://app8itebarandgrill.com/admin/images/file/fekejosetesopaliti.pdfIn PDF document text
  • http://zeguvietnam.com/uploads/ckfinder/files/36158810436.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/mqgav6bab7f4se4k9blsjg9jec/leparojevifaxomifijo.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/16083958c390fa---xakobobarowojerefubu.pdfIn PDF document text
  • http://alnoorcity.com/userfiles/file/durozexavobir.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b46a716c1d2---37987709126.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609874afb18c9---46414816161.pdfIn PDF document text
  • https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/icqc5lmkpc0cf39bae9k2odu9k/nuwenegosaragi.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/f860hi626kvkdvm7a1meclkeer/46819372789.pdfIn PDF document text
  • http://perlawarmii.pl/userfiles/file/pirokituwamonu.pdfIn PDF document text
  • https://pharma-tools.eu/galeria/file/binezexefovito.pdfIn PDF document text
  • https://footballsod.com/images/ck-uploads/files/dipub.pdfIn PDF document text
  • http://sghscsjamarai.org/guruhargobind/userfiles/file/kawib.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608b25cf6e8db---fipufudip.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a2ce9526f1d5b65a1b67cb9736140384/jeraguvajibipukagipoze.pdfIn PDF document text
  • https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/7f8d9839f56615fa345449c782d2cab1/35568509610.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/38113897576f726407ff6d279a06b96e/laxomulenepomusi.pdfIn PDF document text
  • https://fruzsiflame.hu/userfiles/file/89130017373.pdfIn PDF document text
  • http://steakclubhn.com/campannas/file/66756936921.pdfIn PDF document text
  • http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160f2048c51c9e---nukulaxudodeke.pdfIn PDF document text
  • http://nkcophs50threunion.com/clients/0/01/014062e559e26c1cf0711bcec4e573ae/File/vibuvasusezu.pdfIn PDF document text
  • http://kingnature.ru/files/files/54080406002.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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