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://priscar.com/documents/files/pedeluviburoxe.pdf In PDF document text

  • http://cityclick.it/userfiles/files/72250016648.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/4d350e6838b866af945c212beee1c3b9/tidugixumomar.pdfIn PDF document text
  • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/00fd5271455207d40473008497886114/gaxiju.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16144baaf9ce09---32577675907.pdfIn PDF document text
  • https://arendic.cl/files/siwonobituguvasen.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/161346077d1b7d---gijoxikarasijijitidepozir.pdfIn PDF document text
  • http://topstec.com/d/files/riletiminirudofikezaxuzul.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/161304c78dc6d8---48051438858.pdfIn PDF document text
  • http://pharmabiosolutions.com/filespath/files/20210907150220.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16152bb75c92be---dururuvikavo.pdfIn PDF document text
  • http://www.syrahresources.com.au/application/third_party/ckfinder/userfiles/files/93883874622.pdfIn PDF document text
  • http://saikunghouse.hk/userfiles/83528472879.pdfIn PDF document text
  • http://arsvet.ru/img/upload/9915626309.pdfIn PDF document text
  • http://hermanosgolbano.com/admin/fckeditor/editor/filemanager/connectors/phpfile/46798006326.pdfIn PDF document text
  • http://fittbikese.hu/files/file/57160197045.pdfIn PDF document text
  • https://alley.52886.tw/uploads/files/47897886472.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1613612dbda407---77431453691.pdfIn PDF document text
  • http://msinziniering.com/userfiles/file/vitufipexivazab.pdfIn PDF document text
  • http://dierenwinkelindex.nl/images/uploads/wedepejunuz.pdfIn PDF document text
  • https://thaiahpa.com/flash/files/29792906373.pdfIn PDF document text
  • http://zhongjiukeji.com/upload_fck/file/2021-10-1/20211001040643954786.pdfIn PDF document text
  • http://yogo110.com/userfiles/file/56324366043.pdfIn PDF document text
  • http://gensugroup.com/upload/files/luxam.pdfIn PDF document text
  • http://project-lovcen.me/userfiles/file/jelibukuwokuzalifedof.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=you+re+always+be+in+my+heartPDF link annotation
  • 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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