Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://synerhu.ru/uplcv?utm_term=install+minecraft+pocket+edition PDF link annotation

  • http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc5119f0e3---koxidisotep.pdfIn PDF document text
  • http://foto-recepty.sk/images/fotky/90176822299.pdfIn PDF document text
  • http://mariondhuique-mayer.com/data/file/19951969900.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16134c0c3082ad---60510821877.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16145122dbe89e---badinopeko.pdfIn PDF document text
  • https://sluganarodu.org/userfiles/files/medezusuf.pdfIn PDF document text
  • http://samtekelektrik.com/files/tobex.pdfIn PDF document text
  • http://travelspace.pl/userfiles/file/28076916863.pdfIn PDF document text
  • http://cosmoscm.com/contents/files/jozikogetik.pdfIn PDF document text
  • https://uangraja.com/contents/files/dukozulesafatuv.pdfIn PDF document text
  • http://purofirstli.com/userfiles/files/38708992097.pdfIn PDF document text
  • http://sjhrz.com/images/upload/File/pojezipazimesevurovox.pdfIn PDF document text
  • https://calson.garment-pro.com/ckfinder/userfiles/files/fesukezezifinaliwapuwe.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/16139677b56a83---96813048426.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/rc34etmdkg29cmsgd2dj6jvc23/40136812504.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613f432553fea---xumefaduzetis.pdfIn PDF document text
  • https://darshanam.com/ckfinder/userfiles/files/26949219243.pdfIn PDF document text
  • http://park-seversk.ru/other/js/ckfinder/userfiles/files/1474570906.pdfIn PDF document text
  • https://candbco.com/ckfinder/userfiles/files/zotogoxigutaze.pdfIn PDF document text
  • https://watosaphotography.com/app/webroot/userfiles/files/20210909_125344.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/a29cc316d6a77fe3859a75854dcf9bdb/rivowukuwumojitome.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/3dc0983f3f5e1fb144393d6a286f1ea8/2216998354.pdfIn PDF document text
  • https://strings97.hu/userfiles/file/67511220788.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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