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://crewmak.ru/uplcv?utm_term=com+google+android+gms+ads+download PDF link annotation

  • http://rent-lease-no1.com/userfiles/file/20210905023323.pdfIn PDF document text
  • https://duhocblueocean.vn/ckfinder/userfiles/files/14463991207.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161321ccdd8e6d---watavux.pdfIn PDF document text
  • http://infoegrafica.com/userfiles/files/26005356341.pdfIn PDF document text
  • https://telliogluhukuk.com/userfiles/file/tabaromopetenarumi.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161364948874b3---13172366990.pdfIn PDF document text
  • http://canshu.dlzj.net/upload/files/20210903195408611707.pdfIn PDF document text
  • https://ratodua.com/contents/files/65887176499.pdfIn PDF document text
  • https://suativisamsungtaihanoi.net/upload/files/18367306326.pdfIn PDF document text
  • http://clinicaveterinariagussago.com/userfiles/files/23774986937.pdfIn PDF document text
  • http://sancheonglittletheaters.com/upload/userfiles/2021/09/files/210906060921.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/17693868795.pdfIn PDF document text
  • http://idroter.org/userfiles/files/nefazamajinewomapididawow.pdfIn PDF document text
  • http://tutek.eu/userfiles/file/97131991078.pdfIn PDF document text
  • http://hilimall.ae/uploads/files/seniwaj.pdfIn PDF document text
  • https://gelblighting.com/userfiles/files/44677904019.pdfIn PDF document text
  • http://stark-tools.ru/images/uploaded/10164493979.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136a91a6c424---mofukonufudomutigomuru.pdfIn PDF document text
  • http://irths.com/upload_files/files/62511986429.pdfIn PDF document text
  • http://aj-freight.com/ckfinder/userfiles/files/futulederinu.pdfIn PDF document text
  • https://threadworx.com/thread/admin/uploads/file/nivubekomaxipodo.pdfIn PDF document text
  • https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/fujifikulubanetaguvoboze.pdfIn PDF document text
  • https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/hgfbh7sijhbr0usjel6m98p6kc/vakokajir.pdfIn PDF document text
  • http://atsrealtyvietnam.com/upload/files/63903156323.pdfIn PDF document text
  • https://eurosan.pl/user_images/file/tizadonugaboreva.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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