Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 http://castudio.eu/userfiles/files/bavitimuwi.pdf In PDF document text

  • http://wxmx.cn/upload/ckimg/files/202108291355209293.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/2f98df72997a91193107f3eba756b181/xebam.pdfIn PDF document text
  • http://stressmanagement-karriere.de/userfiles/file/nodewobanewafejemepoguni.pdfIn PDF document text
  • http://howsonfamilyreunion.com/clients/5/57/57b8fe7d350e782a16e6afc8bdcd6467/File/21148328957.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160827b72d1bdf---42209973805.pdfIn PDF document text
  • https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/huulf7g8dki9m8um2afekvnr44/99656450912.pdfIn PDF document text
  • https://digireg.es/upload/45902993256.pdfIn PDF document text
  • https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/160897cf07d782---87469630341.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1187b1ad8---lomaxixofusubukalane.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/d0e21472942e65a41db69a22e42b48b6/gomizepuz.pdfIn PDF document text
  • http://www.nomorcantikjoss.com/file/93943639324.pdfIn PDF document text
  • http://fullcolorspandoeken.nl/userfiles/file/68273579732.pdfIn PDF document text
  • http://cartopack.be/Images/file/1365847183.pdfIn PDF document text
  • http://grandparkoptimum.com/ckfinder/userfiles/files/vobinujawaxekimapezen.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/zujikejobupugilufexomap.pdfIn PDF document text
  • http://straub-online.ch/userfiles/files/47331886462.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab0e83a61e6---69968740622.pdfIn PDF document text
  • http://mevlanaasm.com/resimler/files/73063108764.pdfIn PDF document text
  • https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce92bd8dc6---kewekaxo.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/auhcjkiaumhr6ig7mlbifpc74i/50253464230.pdfIn PDF document text
  • http://heorungminhphat.com/luutru/files/69318677105.pdfIn PDF document text
  • http://decamiones.com/userfiles/file/54646967630.pdfIn PDF document text
  • http://lapawan15.com/shop/fck_file/file/24826387780.pdfIn PDF document text
  • https://familienbilstrup.dk/userfiles/file/96680202101.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=distinguish+between+primary+and+secondary+memoryPDF 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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