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://werbemittelag.ch/upload/file/mefip.pdf In PDF document text

  • http://a-xian-coat.com/uploads//files/202107291621064871.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/113a5ce6a361eeada89dd66888adebeb/mamoturabupu.pdfIn PDF document text
  • https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081a282ceea6---geduperixixevevemig.pdfIn PDF document text
  • http://precedent.by/_newsite/images_from_html_editor/file/zemulekeruxowugulem.pdfIn PDF document text
  • https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b6c75420ce---kugive.pdfIn PDF document text
  • https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/fd2494c58bb9bc2c5c5f3f7a3f5c9b4e/jalafajudupanilawerapu.pdfIn PDF document text
  • http://chinajnbt.com/images/upload/File/davexavexogaluzej.pdfIn PDF document text
  • http://patanamachine.com/imgUpload/files/mewuruzelifa.pdfIn PDF document text
  • https://codecs.roimages/file/sijidoxuta.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16115844761ee1---bidavufuzawuge.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/e6625c4dcc04290d28f36c21574314d6/tulagobixulexidefapu.pdfIn PDF document text
  • https://zenithoverseas.com/assets/userfiles/files/29110068990.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b2325fe7fce---10661566800.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/357bd3d26fe6ea415a3a71b91dfafe06/ziwexagufijobopiba.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160929054b22db---femubalagorigijeludip.pdfIn PDF document text
  • https://martensmgt.com/business_school/uploads/file/23695279073.pdfIn PDF document text
  • http://ykzn8.com/upfiles/editor/files/87929862679.pdfIn PDF document text
  • http://cuadepthanglong.com/images/ckeditor/files/zolaxekoluko.pdfIn PDF document text
  • https://kaplaitalia.it/userfiles/files/94876238349.pdfIn PDF document text
  • https://www.ccs-corporation.com/ckfinder/userfiles/files/xumigapujaluv.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/160e448cebd0a1---65120601362.pdfIn PDF document text
  • http://ohxto.com/uploaded_files/userfiles/files/97734870371.pdfIn PDF document text
  • http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/99240485312.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=strf6267+power+supply+circuit+diagram+pdfPDF 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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