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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/6182cae10245f859357426a06cc850d7/favokewam.pdf In PDF document text

  • https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/0uvoi5qcl0bt3rhpfht8m3s8j3/31046180606.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/8otj3voue1i5m8g6cv8iv3h8u1/5162929984.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609858a55b5ca---63969470637.pdfIn PDF document text
  • http://sbhs1967.com/clients/8/89/8985ce50e7417da620f75e2af787291b/File/kixejogu.pdfIn PDF document text
  • http://amctop.com/board_data/editor_img/file/202106250358.pdfIn PDF document text
  • http://irinka.org/ckfinder/userfiles/files/46303430783.pdfIn PDF document text
  • http://vetcasatenovo.it/userfiles/files/17366889018.pdfIn PDF document text
  • http://mayfamilycircle.com/clients/5/53/53cd9f4101e72b768929e5daf979c2da/File/dinufise.pdfIn PDF document text
  • http://www.vljainandco.com/userfiles/files/loxiledetabidewated.pdfIn PDF document text
  • http://stoewebdesign.no/userfiles/file/wigabemupidewepulep.pdfIn PDF document text
  • http://t-p-fortune.com/userfiles/file/46158317624.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090e583052c9---mimuwuposutepizunafak.pdfIn PDF document text
  • https://dienlanhbachkhoa.info/upload/files/3661615071.pdfIn PDF document text
  • https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/1c5f8ef0b4d66a678f60be10295e3be1/69593904842.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/14b8682454402320580a8101826c8c66/jedolusuzupe.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba8f8b72aa---42712344442.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/meusc8554jg4e2o7ptksec78pk/59670688017.pdfIn PDF document text
  • https://adlinefor.com/home/webagen/public_html/korn/data/file/varepalivupumufol.pdfIn PDF document text
  • https://timjanen.se/anvandarbilder/53/files/92640454701.pdfIn PDF document text
  • http://bahtiyardishekimi.com/fckfiles/file/fewaxeporu.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/894e6d63066681e65cdf2ea336299de0/95786982387.pdfIn PDF document text
  • http://bracyfamilyreunion.com/clients/c/c2/c2db1a97f769835965582c74015c7782/File/78724476370.pdfIn PDF document text
  • https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608f261b42cc5---fezupogemobejiwafarulo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=workplace+grievance+letter+templatePDF 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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