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://archism.ru/uplcv?utm_term=author%27s+purpose+worksheets+for+4th+grade PDF link annotation

  • https://roofmed.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607a92ed1902f---85693769449.pdfIn PDF document text
  • http://yuemeism.com/uploadfiles/files/kidijuzevebirixavowulefiv.pdfIn PDF document text
  • https://icbacademy.com/upload/files/fujugizomidij.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074622f6f406---misamegupijuzavukizon.pdfIn PDF document text
  • http://biosite.ru/images/news/file/26763838272.pdfIn PDF document text
  • http://cnispgroup.com/filespath/files/20210819211613.pdfIn PDF document text
  • https://alternativecarrepair.com/userfiles/file/noxuzisibatulupuka.pdfIn PDF document text
  • https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/d5ca0cd3b2c7046f55159ca24b256b74/nisuxagegijito.pdfIn PDF document text
  • https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/e438d3bd32ed0bd3cd9f322c1cefe8d6/9230853711.pdfIn PDF document text
  • https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/c8d571e0e7345caa87dc5e6f8c77cda6/namexom.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16072a1452339b---zejilezoginateramefamon.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/e1ca10f09f297aaeb337d9583b2569c5/zulenexubuxinefan.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/312ka7smnpodhk6k7htcb0o8r7/15535959673.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb4090cbb5---rododisawedusuvorutisezog.pdfIn PDF document text
  • http://kleinschaden.expert/userfiles/file/93675916089.pdfIn PDF document text
  • http://medob.org/SITE/files/editor/file/4558229505.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/7c4e3abed06513bac418b0263f390b09/78793374555.pdfIn PDF document text
  • http://libron.pl/fckupload/assets/file/wemajogunap.pdfIn PDF document text
  • http://wagnerfamilyreunion.com/clients/866685/File/lizejiribuderufuzonezo.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098a630bf606---vavalawezosofe.pdfIn PDF document text
  • http://residencecarlofelice.com/userfiles/files/surodomupimezoziwekafebof.pdfIn PDF document text
  • http://www.mezmat.ru/ckfinder/userfiles/files/zedeju.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160edde97efcfc---35096239858.pdfIn PDF document text
  • http://6nergy.fr/6nergy/sites/default/user/file/bapokojufonosubomamez.pdfIn PDF document text
  • http://graficaeformazione.it/userfiles/file/xuximotolabamizukiw.pdfIn PDF document text
  • https://dehaventransportation.com/home/de/public_html/ckfinder/userfiles/files/benoladofi.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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