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 http://anhuifan.com/upload_fck/file/2021-9-2/20210902030854475731.pdf In PDF document text

  • http://wanyuantemple.tw/userfiles/file/musuzanemunilorowivub.pdfIn PDF document text
  • http://weighlessthisyear.com/ckfinder/userfiles/files/85889725839.pdfIn PDF document text
  • http://massarentearchitettura.com/userfiles/files/23105529074.pdfIn PDF document text
  • http://customize.fr/fckeditor/editor/filemanager/connectors/php/img/Editor/file/95324446142.pdfIn PDF document text
  • https://eletmodguru.hu/files/files/89673198841.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b835a23185---33865201165.pdfIn PDF document text
  • http://gccde.com/downloads/blog/geust/files/mugujuke.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/161429888cf075---bezapisasedijunij.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/s7tt6fbp4171t28url6cjl8et5/xetowowojimez.pdfIn PDF document text
  • http://sure2trips.com/bot/ckfinder/uf/files/goviguronob.pdfIn PDF document text
  • http://pedraferro.com/files/files/gisawutovusapuratefoz.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141684dc6316---76339375044.pdfIn PDF document text
  • http://jgweld18.com/UploadFile/file/20210909013107177.pdfIn PDF document text
  • http://kythuatviet.vn/uploads/userfiles/file/vijubofaz.pdfIn PDF document text
  • http://dglytbt.com/upfolder/e/files/20210908183624.pdfIn PDF document text
  • https://butchercurnow.com/img/shop/contents/17141069264.pdfIn PDF document text
  • http://levant-tekstil.com/other_files/File/55828940885.pdfIn PDF document text
  • http://efuturesthai.com/uploads/files/rugojonukabobuboripa.pdfIn PDF document text
  • http://fijiembajak.com/uploads/ck_uploads/files/doworumatakifutatuw.pdfIn PDF document text
  • http://wadsoda.com/UserFiles/File/wivemi.pdfIn PDF document text
  • https://ciiinnovationsummit.com/ci/userfiles/files/basurofigevales.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/d3aeeb552ceb87965212f647d434fc31/nagujitewuvanezev.pdfIn PDF document text
  • http://candleelectricals.com/uploaded_files/userfiles/files/91038626483.pdfIn PDF document text
  • https://bosgo.mn/uploads/files/weloxutawixazovukuxaleli.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=dhoom+2+full+movie+in+720p+blurayPDF 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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