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://cructi.ru/uplcv?utm_term=frozen+let+it+go+lyrics+pdf+download PDF link annotation

  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/50038842e31fba2d0ca34eed147bf4dd/mezigafisa.pdfIn PDF document text
  • http://studiotecnicomaglio.it/userfiles/files/11362368551.pdfIn PDF document text
  • http://belv.ru/userfiles/file/18475365579.pdfIn PDF document text
  • http://younewstoday.com/task/userimages/file/rugiguwofunoborirejelulo.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/88948571960.pdfIn PDF document text
  • https://driftwoodcc.com/userfiles/files/81943857439.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160883ccd08aca---70788424596.pdfIn PDF document text
  • http://www.alcera.ca/userfiles/file/73887154832.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/cf9d171f152bb7a2cd3326f5c57023f1/90898917303.pdfIn PDF document text
  • http://exima.kr/userData/board/file/73397289488.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1527947a3---41385071272.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef4c2bd757---kuxuraka.pdfIn PDF document text
  • https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ad88f637308---fakidabalapivuw.pdfIn PDF document text
  • https://www.winsum.frl/ckfinder/userfiles/files/25104717894.pdfIn PDF document text
  • https://elbag.net/wp-content/plugins/super-forms/uploads/php/files/849986564b63e5a0f51352f6a47d6157/waduduviliboj.pdfIn PDF document text
  • http://mundialimportweb.com/userfiles/file/86807055202.pdfIn PDF document text
  • https://puppometalli.eu/file/30874390495.pdfIn PDF document text
  • http://bsinteriordesigner.com/userfiles/files/lowubawapokufamo.pdfIn PDF document text
  • http://eptesteplelek.com/uploads/file/6350981363.pdfIn PDF document text
  • http://datavincity.com/uploads/ckfinder/files/vedezovedakenipedomudoji.pdfIn PDF document text
  • https://stratasphere.online/userfiles/file/pivagediwu.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bb4efc942cc---50217307920.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f35e992514d---3158243562.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d99ac43ac40a156d58da32e3970034d5/62240583312.pdfIn PDF document text
  • http://e1pl2.nazwa.pl/busy/fotki/file/12419422801.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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