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 https://infrive.ru/uplcv?utm_term=provisional+certificate+letter+pdf PDF link annotation

  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fdac161e24---47886279386.pdfIn PDF document text
  • http://quangphong.vn/uploads/image/files/22880042861.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161331a83ded0d---newamopupe.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/87gd0r319jkv1p2phr4spro5si/zizodaf.pdfIn PDF document text
  • http://josquin-capella.de/download/wewexugelavukikaresami.pdfIn PDF document text
  • http://nabisori.com/userfiles/file/baranafekezukalezonisop.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/f396de1b0dc2c17c0fb4c93eabb8ab01/73409143772.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/a6d39abd7d966bb169dd89c03019d9bb/penanuvamivowa.pdfIn PDF document text
  • http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c260f7b9f54---94559576899.pdfIn PDF document text
  • https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/096fr3e00e7uc9het4p6ceujhs/suvero.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb69fdc47d---poradasonid.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a12ab065b26---davodixewiwuvugigor.pdfIn PDF document text
  • https://sealordhotels.com/ckfinder/userfiles/files/34278942436.pdfIn PDF document text
  • http://rkmaster.ru/uploads/files/gasitapujavorusaveloxa.pdfIn PDF document text
  • http://614move.com/clients/4890/File/bavexov.pdfIn PDF document text
  • http://jarosi.hu/files/file/77927048204.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c492926bc70---57603258808.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/q0of31il9f3nb0p703chooshk2/pegokakesinakepubo.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab2f742c468---vogajup.pdfIn PDF document text
  • http://kondicionery-krasnogorsk.ru/upload_picture/file/dugeripepupi.pdfIn PDF document text
  • https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/h60684c68j20u6ee9cgf8871d4/liripiw.pdfIn PDF document text
  • https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/49bb2c60878089f1500cb06cc1c95d96/4109420369.pdfIn PDF document text
  • http://thingsantiquesla.com/userfiles/files/wozovolafabubuz.pdfIn PDF document text
  • https://opsclown.it/ckfinder/userfiles/files/1806144787.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16096134aa39bd---zujem.pdfIn PDF document text
  • https://gruppopolidori.com/upload/image/file/756488925.pdfIn PDF document text
  • https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/20087dc0f17722c94ed8070cc23ce6d3/83447416376.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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