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=the+american+library+association PDF link annotation

  • http://tksvolga.ru/userfiles/file/81957347661.pdfIn PDF document text
  • http://ackerviewguesthouse.com/userfiles/file/mafijokaz.pdfIn PDF document text
  • https://wodepcb.cn/uploadfiles/files/55253062061.pdfIn PDF document text
  • http://ekonopuntos.com/campannas/file/96425359167.pdfIn PDF document text
  • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/5f26dddf6267dbbb5962d88da81c5577/6234529207.pdfIn PDF document text
  • http://porpora.biz/imagenes/imagenes_contenidos///tegazaxitidulagujixo.pdfIn PDF document text
  • http://bestorkate.com/uploads/ckeditor/files/14922316671.pdfIn PDF document text
  • http://holzbau-napetschnig.at/35351893809.pdfIn PDF document text
  • http://ural-kip.ru/admin/ckfinder/userfiles/files/jakoxixufulewera.pdfIn PDF document text
  • http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/908ebf38d805c71907c16035e87729bd/migonixilonarenonirodalen.pdfIn PDF document text
  • https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af095ee07d3---13410910349.pdfIn PDF document text
  • http://naturalmis.com/userfiles/file/duzozefomuwame.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160861ea322dd2---lubejexajadorazalalugadil.pdfIn PDF document text
  • http://studioingegneramato.com/userfiles/files/8072200540.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/er06sus7655gu6suhq2dol9juu/sodogududamomapibugaraw.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/cebeb5b55d8c0cff4387572cb3c72bdb/sejikisaxawufubuno.pdfIn PDF document text
  • https://arredamentigiacobbe.it/file/75085721879.pdfIn PDF document text
  • http://dok-vo.ru/userfiles/file/37830415979.pdfIn PDF document text
  • http://herve-coiffure.ci/files/nusenorurel.pdfIn PDF document text
  • http://rideabikenews.com/user_img/files/89204300045.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c975765c036---bejezukiwerepo.pdfIn PDF document text
  • http://mtcongnghiepxanh.com/upload/fckimagesfile/malokivexijedekena.pdfIn PDF document text
  • http://aligokdemir.com/resimler/files/43721282807.pdfIn PDF document text
  • http://palyavalaszto.hu/teszt/upload/file/52211663133.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 extracted file (font_00_sfnt_off00010fb1.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00010fb1.bin)

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