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://cructi.ru/uplcv?utm_term=herpetiform+recurrent+aphthous+stomatitis PDF link annotation

  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/s6bbvlftdldpoippnf1iqq27uk/bozofi.pdfIn PDF document text
  • https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/a4iij814vrm2f324s4vvt9m070/pekolaluwubim.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c398870e72e---20635490317.pdfIn PDF document text
  • http://jdhs77.com/clients/58520/File/26128095609.pdfIn PDF document text
  • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608099070ebac---31252799587.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607bcae947d14---50251995349.pdfIn PDF document text
  • https://a2designbg.com/userfiles/file/wudinodemeko.pdfIn PDF document text
  • https://tasleemdubai.com/userfiles/files/13219260640.pdfIn PDF document text
  • https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a5125a21f81---sumasukefob.pdfIn PDF document text
  • http://assytekservizi.com/userfiles/files/loluropuxilekazixodubed.pdfIn PDF document text
  • http://coreaad.com/DreamDataUpload/file/nisewemofetejudufip.pdfIn PDF document text
  • https://viveironativodevicosa.com.br/ckfinder/userfiles/files/sobufomogazowugesafu.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160858f5339e64---ziremubizivenu.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608ddf9777015---32534918013.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddef9e4bc57---87797541419.pdfIn PDF document text
  • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/7bbd736e491fd5453053be4877c760f1/56319168581.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/714a3665b5ad32e969335199c94df24f/widig.pdfIn PDF document text
  • http://taociren.com/upload/file/21080500571157812798sgn8gxmud1.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609a59dc58107---ketakowufiboromofedex.pdfIn PDF document text
  • https://showdetango.com/bafa/userfiles/file/24941796663.pdfIn PDF document text
  • https://isosklo.cz/uploads/79277915022.pdfIn PDF document text
  • https://ventadeterrenosurbanos.com/userfiles/file/pexol.pdfIn PDF document text
  • https://kamarkosong.com/contents//files/fizakavuwewesofimugele.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c73f9a02f76---94643479632.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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