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://pistant.ru/uplcv?utm_term=ecuaciones+cuadraticas+por+factorizacion+ejercicios+pdf PDF link annotation

  • https://alianzatours.com/imagenes/file/suremu.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607d65315beca---50479390663.pdfIn PDF document text
  • http://coreaad.com/DreamDataUpload/file/89174030836.pdfIn PDF document text
  • http://metaglas.kr/userData/board/file/82872175482.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160818c90ca0fe---56427463121.pdfIn PDF document text
  • https://naucharts.com/ckfinder/userfiles/files/bunix.pdfIn PDF document text
  • http://www.peretprod.ro/content-images/file/jiwopalajajolixotiz.pdfIn PDF document text
  • http://seashoresilverlabradors.com/clients/4/48/482fd9669fb3260065120a60ccac5e48/File/4151821585.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/2fr6blb075e633aveqld6a6hkr/8197663627.pdfIn PDF document text
  • http://kartinatv.org/uploads/files/kipeb.pdfIn PDF document text
  • https://777mto.info/contents//files/71647966574.pdfIn PDF document text
  • http://iseveranscopy.com/upload/editor/file/69909295140.pdfIn PDF document text
  • https://dm288.rs/slicice/file/povenapugogidagadapi.pdfIn PDF document text
  • http://bio86.fr/fichiers/nesukifenupazezekul.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b31b9564ee1---61075084918.pdfIn PDF document text
  • https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/ssohed0kdgtq7ji08ortu900cb/julevusuf.pdfIn PDF document text
  • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acae562a732---98341916323.pdfIn PDF document text
  • https://familienarbeit3plus.ch/userfiles/files/34876494129.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/1c086f1ede775d75d858a2737e21542d/dizazuxobusipe.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/a3c5335e0b3a02db6aa3afb23f5606c0/8919128218.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/tetenop.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077576d6b9c4---92816234009.pdfIn PDF document text
  • http://vmkmsz.hu/userfiles/file/ninaninewoxarofi.pdfIn PDF document text
  • https://carparts-fixture.com/file/file/lobilixikobezonatuw.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161277a8ed9f04---52633157046.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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