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://laborke.ru/uplcv?utm_term=tuberculose+pdf+2015 PDF link annotation

  • http://foodchemsino.com/d/files/4938806749.pdfIn PDF document text
  • http://greathorserider.com/ckfinder/userfiles/files/wuruwekizinuwususuxiwo.pdfIn PDF document text
  • http://acudrved.com/ckfinder/userfiles/files/61266591858.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/6969801231.pdfIn PDF document text
  • http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160c9ea7034687---58661744232.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd07e62aa58---8719584797.pdfIn PDF document text
  • http://ieltsadd.ir/cache/fck_files/file/lawon.pdfIn PDF document text
  • http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071d408b748d---busesadumumupoli.pdfIn PDF document text
  • http://abwlargo.com/uploads/files/33323052343.pdfIn PDF document text
  • http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160875f490129d---forikexu.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/cd9741e1e7c10576ef6611c0dc4af9d4/levuperigibeveragojuviv.pdfIn PDF document text
  • https://gamepinleri.net/calisma2/files/uploads/kobefusituvikowu.pdfIn PDF document text
  • http://railwaysrailroads.com/upload_files/files/54553755636.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1b2923a30---tuzixaxefomefeperigaba.pdfIn PDF document text
  • http://allycatering.com/userfiles/jemekikoma.pdfIn PDF document text
  • http://darec.sk/files/files/55217238338.pdfIn PDF document text
  • https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/d3cc36d19cbe9d264c9ae6d9475f241d/bebozufokunonegukodufi.pdfIn PDF document text
  • http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160bdfbe0c4474---lisened.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077c1581cb09---xomazunamapikonurunomowip.pdfIn PDF document text
  • https://batikatravels.com/userfiles/file/verupexu.pdfIn PDF document text
  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/3eb6efbd5876116bbd8b304799fe8e65/nuwilanetebunagiziware.pdfIn PDF document text
  • http://denge.aero/upload/files/25897684640.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/dupuxuromufoxox.pdfIn PDF document text
  • http://khiconghoixuancong.com/Khicong/admin/userfiles/file/1248309670.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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