Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://chcial.ru/uplcv?utm_term=how+to+say+a+prayer+for+someone PDF link annotation

  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c89b07b8f48---80391303916.pdfIn PDF document text
  • https://p99.tw/pro_pic/files/zunigujosuwebuv.pdfIn PDF document text
  • http://plusk-car.com/js/upload/files/tagojaxokovuziposarabalov.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/nhlvnffc182h09muikgbl6v727/26960708506.pdfIn PDF document text
  • https://cardion.dk/gfx/fckimages/file/saletemizosetelasovolu.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e04eed9968---34381874536.pdfIn PDF document text
  • http://divapharma.com/uploaded/file/ginit.pdfIn PDF document text
  • https://ever.dacola.com/upload/files/85190216470.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/7459554e3a253d896f36fff2a73f4eb9/36167175988.pdfIn PDF document text
  • https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/b2e5c344ed59be4ea879741d61727ff3/76861420799.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fcaa20648c---18553461381.pdfIn PDF document text
  • http://ucity68.com/clients/e/ea/ea220da86df44fb0ae3b7c8e8295ccc1/File/futojugonaxixutovawi.pdfIn PDF document text
  • http://terrietanaka.com/library/files/tipunuvopefemezopulobi.pdfIn PDF document text
  • http://lideparts.com/userfiles/file/1623317785.pdfIn PDF document text
  • https://cdpu.net/wp-content/plugins/super-forms/uploads/php/files/1437b21b5913d58789c685b2e0718179/60571892345.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/bp9b4og992ntl5e105e3jdvip1/31032159243.pdfIn PDF document text
  • http://adaviestransportltd.com/userfiles/file/18124075327.pdfIn PDF document text
  • https://www.tocbirsen.org.tr/ckfinder/userfiles/files/72418918097.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160b5769cc883e---wudulilomalezinadofosi.pdfIn PDF document text
  • http://www.heksan.com.pl/file/xoretuz.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/16072b8639934d---55990879238.pdfIn PDF document text
  • http://abwcrainhwy.com/uploads/files/89037415952.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160736b5c6ef8a---tafupado.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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