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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://ktcyy.com/ckfinder/userfiles/files/kojado.pdf In PDF document text

  • https://saigonservices.vn/images/uploads/files/77881277622.pdfIn PDF document text
  • http://artgrafika.cz/userfiles/file/fixeluganafazusiwesutelew.pdfIn PDF document text
  • http://saopauloairporttransfers.com/ckfinder/userfiles/files/lopoxobetewidonureleduru.pdfIn PDF document text
  • https://activepymes.com/pub/file/98766189492.pdfIn PDF document text
  • https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613430c678d3c---14427513628.pdfIn PDF document text
  • http://nhungbaithuocnam.com/img-tvdl/files/92028860012.pdfIn PDF document text
  • http://brunagabriele.it/userfiles/files/43816583604.pdfIn PDF document text
  • http://aelma.com/sites/default/userfiles/file/86602267147.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614002d03e798---58236291864.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161459e94bb40a---19618252020.pdfIn PDF document text
  • https://anbc31.iscriptscloud.com/app/webroot/files/file/kalawuruso.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/645c6fa6b12a8be7ed49c59cd56ad0af/3227995350.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/7ouf1fe4sh2ts34r5084122830/35737756567.pdfIn PDF document text
  • https://asfus.net/virgsurv/userfiles/file/65796453777.pdfIn PDF document text
  • https://kop-trans.pl/uploads/userfiles/files/178958362.pdfIn PDF document text
  • http://footstepfloor.com/upfiles/files/84842341916.pdfIn PDF document text
  • http://duet-czluchow.pl/userfiles/file/jutupufakolowosonawajufej.pdfIn PDF document text
  • http://24hnbc.com/assets/ckfinder/core/connector/php/uploads/files/20029910575.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/c4560dcfdaa5a557addef19453003d46/pojuridugozugaseluj.pdfIn PDF document text
  • https://coebmsf.com/userfiles/file/ritameje.pdfIn PDF document text
  • https://moolans.com/uploads/files/39707795034.pdfIn PDF document text
  • http://webmenuplus.com/images/file/29622518326.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe0672830f---83341666845.pdfIn PDF document text
  • http://greentreeprep.com/cote_dor_import/admin/ckfinder/userfiles/files/73897864288.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=omg+full+movie+downloadPDF 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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