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 http://jiin-torng.com/uploadfiles/20210914024958.pdf In PDF document text

  • http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/580110d4ba496ab9a50c14c739869f74/77072076611.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16132a1fcb529f---42243034989.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16144db308f920---68147511264.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bde4a9371e---49434442204.pdfIn PDF document text
  • http://nusratali.com/userfiles/files/64768554771.pdfIn PDF document text
  • https://vinacoma3.vn/userfiles/file/18733121690.pdfIn PDF document text
  • http://www.likoda.com.tw/upload/ckimg/files/86749677562.pdfIn PDF document text
  • http://agro-partner.com/Image/files/10069954080.pdfIn PDF document text
  • http://dywin.com/uploadfile/files/11801870181.pdfIn PDF document text
  • https://mitrasuksesku.com/userfiles/file/89104970044.pdfIn PDF document text
  • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140dd5057d02---91398865391.pdfIn PDF document text
  • http://tieuhocsongphuong.hoaiduc.edu.vn/ckfinder/userfiles/files/70069025292.pdfIn PDF document text
  • https://fullhousetourism.com/UploadFiles/file/20210919170232166.pdfIn PDF document text
  • http://luligang.com/ckfinder/userfiles/files/15691985529.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///lidatibuvig.pdfIn PDF document text
  • http://we2meeting.com/ckfinder/userfiles/publics/files/figuxod.pdfIn PDF document text
  • https://oxi-dental.ro/imagini_ws/rirewuniwupajezarasataxef.pdfIn PDF document text
  • https://www.alugutader.fr/ckfinder/userfiles/files/43722947126.pdfIn PDF document text
  • https://yennenga.org/business_school/uploads/file/dagitiridi.pdfIn PDF document text
  • http://svx.su/ffile/file/siwatasebipadajagiluli.pdfIn PDF document text
  • http://puzynowska-kancelaria.com/userfiles/file/zixazarasag.pdfIn PDF document text
  • http://lex-ter.ru/admin/ckfinder/userfiles/files/60079748412.pdfIn PDF document text
  • https://ourguarantees.com/userfiles/file/lelotiketo.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/d0bc068194ead4078bd5816f46a83ca1/11690413551.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=mass+effect+gameplay+trailerPDF 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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