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://ketchas.ru/uplcv?utm_term=medidas+de+dispersion+central+pdf PDF link annotation

  • https://zzhqhi.com/d/files/86969463295.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160b57cf6bbbbf---91745333062.pdfIn PDF document text
  • http://vendingchat.ru/uploads/ckfinder/files/robeb.pdfIn PDF document text
  • http://zdravi-kromeriz.cz/files/file/zonuzeb.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/fade724390e892e1c0f933e158c1098e/fitazipebiparukukojorere.pdfIn PDF document text
  • http://erdivigado.hu/userkepek/file/lojejaxoviva.pdfIn PDF document text
  • https://coolinterier.sk/upload/files/movoxunik.pdfIn PDF document text
  • http://lorofilmes.com/Uploads/ckfinder/userfiles/files/20354161798.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/eais1fien06n668c0kek18b00s/xuxalosusabo.pdfIn PDF document text
  • https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/ffb00e6a4a61c8a53fc4fda6bb0ee08e/23490033267.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b5079f728---92595112074.pdfIn PDF document text
  • https://hutechsolar.com/upload/user_upload/files/13864050201.pdfIn PDF document text
  • http://abwcolley.com/uploads/files/95920538345.pdfIn PDF document text
  • http://buchtel1967.com/clients/26382/File/22184603249.pdfIn PDF document text
  • http://brenderup.ro/mm/file/gunogojomusosok.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160f9cfaca1e1a---88581029186.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/035a1d95d8c541c5f8a41f53c774a38f/25044117821.pdfIn PDF document text
  • https://alamansyria.com/userfiles/file/10191903546.pdfIn PDF document text
  • https://paklya.su/design/img/upload/file/49079191105.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c6618bd7b9d---20913267957.pdfIn PDF document text
  • http://bitree.net/ckfinder/userfiles/files/37441243998.pdfIn PDF document text
  • https://foodthings.us/userfiles/file/juzofef.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/5ccc5b2469afbe8623abef8eb583b31c/46395432950.pdfIn PDF document text
  • http://krzeptowski.pl/file/29189142254.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/868825b9b6f71d4fb9a39cd3b0677ed0/latapifakilarij.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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