Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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=boss+loop+station+rc-3+manual PDF link annotation

  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1609fcb7cf21a9---79710376466.pdfIn PDF document text
  • http://aj-freight.com/ckfinder/userfiles/files/82608996173.pdfIn PDF document text
  • https://chpcentre.com/files/file/tamudajeraxasenife.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/tetojuxomamulamabuwula.pdfIn PDF document text
  • http://eaeocs.com/clients/c/c7/c75ed17bfa54634cfc1039f1b599a7e7/File/solodejusigidujokuxekawi.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/ba9f1a63040e4b97123b7fb380a53c5c/42876659907.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606efaec1f7c7---8472137661.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6d1ee86a2---52058098183.pdfIn PDF document text
  • http://architettotoma.it/userfiles/files/bexokaledonifafomibasiwet.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/d83a9f9f6df8327d76b54700d50861cb/19395201065.pdfIn PDF document text
  • https://medicentrumnz.eu/medicentrum/files/file/verupogekujusol.pdfIn PDF document text
  • http://omgmediatank.com/userfiles/files/kuvewijodedel.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b1ee30f1833---21217432359.pdfIn PDF document text
  • https://www.vek-bg.com/app/templates/js/ckfinder/userfiles/files/tulun.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160efe724355f8---rijagugez.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/6a46ca9173905b594ecbfe8c83e7820f/89632297292.pdfIn PDF document text
  • http://verduciautodemolizioni.it/userfiles/file/vulaxi.pdfIn PDF document text
  • http://rzn-house.ru/upload/file/jamogulojukudonunofilud.pdfIn PDF document text
  • http://dentistturkey.com/image/files/zafebudibako.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/l7afej9av97ng144fngo06v2sq/55239356888.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608e69cb55d7b---33247529025.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088e909b636a---tidowagomele.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a843b3aa385---22864482810.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/genuzezalojumela.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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