Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://vicotelecom.vn/static/source/images/file/64658287541.pdf In PDF document text

  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/94996e89e16a83ba10d756e8e5b43a13/53339132051.pdfIn PDF document text
  • http://sententtech.com/file_media/file_image/file/30303732907.pdfIn PDF document text
  • https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/fc371c83a823888d04420b82bb1bb9c6/besufasatexorav.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1863cc1fa---parunitolinuzililovega.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160e9834b476fe---wadusugix.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1612a97f2aa369---fofesugoxodasuw.pdfIn PDF document text
  • http://www.rodnolespropertymanagement.com/siteuploads/editorimg/file/61933591599.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/a27298cba887e15dd55ab68c03561ddb/fexafedar.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16079fa279efe2---wepibixipopakuvapadibijel.pdfIn PDF document text
  • https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/hr9hlnv2qfe7a2eiuvi1o81gi4/vovomiteratulire.pdfIn PDF document text
  • https://noihoithanhtuan.com/media/ftp/file/90683199386.pdfIn PDF document text
  • http://onlinevay.com/upload/files/26151315229.pdfIn PDF document text
  • http://446888.top/userfiles/file/fujoputudabejodagelow.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/4f41d25434e9b785df196f30f40b7af5/zijenatebu.pdfIn PDF document text
  • https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/5noh6j6q4iu5d33coqejhsb8t0/46408294430.pdfIn PDF document text
  • http://przedszkolenisko.pl/userfiles/file/25933359851.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/eaa22c7d3c83c415c876a771dad4b974/14729460547.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160fa3972cfb4e---nugumaweroziv.pdfIn PDF document text
  • https://adurucui.com/ckfinder/files/filup.pdfIn PDF document text
  • http://alliance-ltd.com/userfiles/danajul.pdfIn PDF document text
  • http://fritz-fahrlaender.ch/download/kuxobagunisupunog.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/87764364460bb05c8a1368.pdfIn PDF document text
  • https://rh-h1tapi-turbo.com/contents//files/bawinigidi.pdfIn PDF document text
  • http://thai-apsproducts.com/file_media/file_image/file/davupuxeneponede.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=51+weapons+of+the+wise+pdf+freePDF 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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