Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://catamma.ru/uplcv?utm_term=ad+free+youtube+mod+apk PDF link annotation

  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146a7080fd50---5030778143.pdfIn PDF document text
  • http://avtokapriz42.ru/userfiles/file/juwibawuvewa.pdfIn PDF document text
  • http://jianianhuayule.a9188.com/upload_files/art_files/files/20211001_213717.pdfIn PDF document text
  • http://focalthai.com/file_media/file_image/file/32090915527.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/161423b8ad8ad4---bozipuzejuvidoj.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/30eb4574d82266ecc697af52053e24bd/wujusasofavaxinir.pdfIn PDF document text
  • http://thegioidahoacuong.com/uploads/image/files/madebuzatogijudukus.pdfIn PDF document text
  • https://sicurezzaips.it/uploads/file/60774676027.pdfIn PDF document text
  • http://prtourusa.com/FileData/ckfinder/files/20210914_78D3ACF0874A736B.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161558e66e79cf---rifopesejo.pdfIn PDF document text
  • http://www.ville-civaux.fr/admin/js/ckfinder/userfiles/files/72145053016.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145b90058533---vajapusod.pdfIn PDF document text
  • http://safarang.com/basefile/files/84913840730.pdfIn PDF document text
  • https://icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/bopukojuneremomad.pdfIn PDF document text
  • https://mosaicopeoplecorporation.com/ckfinder/userfiles/files/55191526004.pdfIn PDF document text
  • https://bcm.es/files/galeria/files/tevamorub.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/g4gdolbp5eek2ait99s6kcm3n1/4001549445.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/nijazezugimisagozofi.pdfIn PDF document text
  • http://gameometria.com/assets/ckfinder/core/connector/php/uploads/files/sudoganolugemoguzujife.pdfIn PDF document text
  • https://vannordenvastgoed.nl/userfiles/file/pikewud.pdfIn PDF document text
  • https://spandoekland.nl/userfiles/file/39385408390.pdfIn PDF document text
  • http://csc0532.com/userfiles/file/20210930200329_6drbzs.pdfIn PDF document text
  • http://cungcapbaoduongcuanhatban.com/upload/files/59928278827.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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