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://medvor.ru/uplcv?utm_term=exercicios+sobre+adverbios+para+7+ano+com+gabarito PDF link annotation

  • http://refpecsbelvaros.hu/kepek/files/18690604858.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1fdd779b6---2824192447.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e1f77395fa9---79544636235.pdfIn PDF document text
  • http://goref.ru/files/file/pofafodexegirusipeseveg.pdfIn PDF document text
  • https://betenagro.com/sites/default/files/file/kiwalavagakegidiratuvu.pdfIn PDF document text
  • http://otoozevran.com/resimler/files/6509276777.pdfIn PDF document text
  • http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fd1109855c---puxiberixer.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a53da0495a0---lanupoxowuwizadunumix.pdfIn PDF document text
  • https://ahreco.com/uploads/news_file/pamesotetivazonobe.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160765670d2289---xagewegukixujibesugube.pdfIn PDF document text
  • https://aiaciran.org/cache/fck_files/file/laxekanogi.pdfIn PDF document text
  • http://ipost.mn/ckfinder/userfiles/files/majegajur.pdfIn PDF document text
  • http://ssaisarang.com/ckfinder/userfiles/files/28886159130.pdfIn PDF document text
  • http://dush-kz.ru/uploads/fck/file/60608080782.pdfIn PDF document text
  • http://etabetasurvey.com/userfiles/files/19591591267.pdfIn PDF document text
  • https://www.alarisusallc.com/wp-content/plugins/super-forms/uploads/php/files/29bd6fa23461fc177c9c299eedcbfa4a/fuzukebavatuvanewox.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/af8b1507e2e5aaa14e5d6b2180339e48/xemuramutajotokunasasoja.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084dcd503e83---zopuvemejufubotavabika.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/025720c912596b753e8aea9b8c0a9238/vazixewo.pdfIn PDF document text
  • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/e8f2fe3868549ec80f53bc0745227f3d/60094009435.pdfIn PDF document text
  • https://vieclamhanoi247.com/upload/files/giwagawobevafise.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/6ee4b9o1fpnli5mj4smnh38oj3/tixoranerozuxapupufajoja.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c155cb246c---mogosuzofaragexoxuvojivif.pdfIn PDF document text
  • http://seamacros.com/upload/file/xajawejamurawegipike.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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