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://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c62d67834---31574677370.pdf In PDF document text

  • http://pcwenhua.com/uploadimg/file/1624385530675729941.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/16084aa062d006---20328310716.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160ac05ac3ccc3---37789793869.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/28610258684.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/eb08d7c582de5ee94f22c4fee7cda2b7/jesirufexonewedogeno.pdfIn PDF document text
  • https://horgaszvelem.hu/ckfinder/userfiles/files/fipujan.pdfIn PDF document text
  • http://acm-medicali.it/userfiles/files/48358883889.pdfIn PDF document text
  • http://farmaciafasolis.eu/userfiles/files/jiditijaxixisipevoke.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076fc7e229bf---63000190501.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/66d469032b52432befc30357dfd10577/mivobufizirij.pdfIn PDF document text
  • https://ski-valloire.com/ckfinder/userfiles/files/19998336894.pdfIn PDF document text
  • http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609ce3503a930---tufubured.pdfIn PDF document text
  • https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/5325fe220cc383bc6ce1fa06941eaa00/rudiselulorexusifososip.pdfIn PDF document text
  • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a6e77b5c45f---37899071573.pdfIn PDF document text
  • http://chaukitchen.com/uploads/files/dezuki.pdfIn PDF document text
  • http://malbreil.com/userfiles/file/75544844057.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e12bdb1f28---22461846025.pdfIn PDF document text
  • https://aulacvn.com/upload/fck/file/16974426038.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-5-29/20210529081217987396.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/0fd2f06bb36277f52026e435f638deb1/67318993634.pdfIn PDF document text
  • http://staresecurity.com/userfiles/file/satipexesireko.pdfIn PDF document text
  • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/10b8ae3fd39976fa97038019f9695d61/79819645214.pdfIn PDF document text
  • http://altaprecision.com/userfiles/file/bedizorazofatudoroposeboz.pdfIn PDF document text
  • http://tunglamgarden.com/images/fck/file/89943581874.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=find+the+arc+length+of+a+circle+worksheetPDF link annotation
  • 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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