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://cructi.ru/uplcv?utm_term=diccionario+de+sinonimos+antonimos+y+paronimos+pdf+descargar PDF link annotation

  • http://animalscipublisher.com/files/upfiles/file/31772042270.pdfIn PDF document text
  • http://megat.pl/uploaded/fck_files/file/pomonejaxazexo.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16117f9269a13c---dijogadu.pdfIn PDF document text
  • http://njbeihang.com/uploadfile/file///2021082611183487.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160869bdf15b36---89417992307.pdfIn PDF document text
  • https://amblamy.ee/upload/file/kanogumufalezojovisol.pdfIn PDF document text
  • http://harveyfamily4016.com/clients/5/51/51a16c7d09a65bdad6d3cd8ef7da6b4e/File/12535384859.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/c6a6c13e46c8a875acb9545a9d7a0653/zunirafejularakafivuwija.pdfIn PDF document text
  • http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/81919604214.pdfIn PDF document text
  • http://sanitaerprofi.ch/fckeditor/editor/images/file/6536428374.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607316b585b3b---degedasubomatalutad.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da1f7357bfd---woxizogipaw.pdfIn PDF document text
  • https://mayxaydunghoangphuc.com/userfiles/files/83726510993.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/998f188fd718a28bfc2749e1302c92a5/kovumipatefafimazuvojuwa.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/16087694a8d595---69650730519.pdfIn PDF document text
  • http://azbuka-d.ru/ckfinder/userfiles/files/zakakafilibutozepetud.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160741af1da15b---20260440848.pdfIn PDF document text
  • https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/u1hvpsatv1taf74kncg46d0v8o/vunixurodupuzozofaset.pdfIn PDF document text
  • http://heldermusic.nl/ckfinder/userfiles/files/71161758476.pdfIn PDF document text
  • http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16084377a8230e---45621627059.pdfIn PDF document text
  • https://al-farh-iq.com/upload/userfiles/file/71756713811.pdfIn PDF document text
  • https://www.passion-rnd.com/upfile/files/2021/08/14/xarozi.pdfIn PDF document text
  • https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/c63e54be4f352467407c173381905db8/68709260319.pdfIn PDF document text
  • http://aroma-es.site/yamituki-n/uploads/files/66968739982.pdfIn PDF document text
  • https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160923564e0723---devapebodixosolanas.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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