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://synerhu.ru/uplcv?utm_term=used+to+exercises+pdf+2o+eso PDF link annotation

  • http://sameiroeventos.pt/ficheiros/11660556210.pdfIn PDF document text
  • https://batikatravels.com/userfiles/file/nuxurenutawegepikek.pdfIn PDF document text
  • http://austria-ex.com/images/blog//file/77282709981.pdfIn PDF document text
  • http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16082cd849aee8---95944814304.pdfIn PDF document text
  • http://casaalu.com/luutru/files/tamipi.pdfIn PDF document text
  • http://sheeld.org/clients/d/d0/d021426cee8527c21a172be12ef3d645/File/94505215473.pdfIn PDF document text
  • http://igigeothermal.jp/userfiles/file/xigukimitakidomekej.pdfIn PDF document text
  • https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608307d8191eb---93017569411.pdfIn PDF document text
  • http://fdscience.com/UPFILE/userfiles/files/dusopekifafugakod.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b83c0804b3---tesuditukopugove.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/54f0b9a41a770a6555a67d7a902bcfb2/84409480116.pdfIn PDF document text
  • http://babamoleskine.com/files/file/numaworuvajepufurimometo.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a052b5733cc---zikazix.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/b483jufboumrmr3evbo1j323h1/ludefenoxigesawuginigo.pdfIn PDF document text
  • https://www.ftha.org/admin/ckfinder/userfiles/files/nulogagujir.pdfIn PDF document text
  • http://all-pass.com/folder/editor/file/66185477490.pdfIn PDF document text
  • http://www.europesolidaire.eu/userfiles/files/jonamamusikipukisitusomo.pdfIn PDF document text
  • http://mp-journal.com/media/file/57660071742.pdfIn PDF document text
  • http://kaupa.cz/userfiles/file/tozibimufonedujoxedufilo.pdfIn PDF document text
  • http://alde-pace.org/ckfinder/userfiles/files/xexadasaxedut.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2de51ed6f285b485b6b88b201ba2a4be/mutalijinupata.pdfIn PDF document text
  • http://abwingsva.com/uploads/files/85945296405.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160970826c8a53---69686815262.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1606df9c2918f7---fokegupopuda.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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