Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://masukpt1.com/contents//files/91022964744.pdf In PDF document text

  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16094dfee6601f---26366553346.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/mol84pi38m2c94v5r1d72n4v4f/78545037359.pdfIn PDF document text
  • http://gdwtechnology.com/fckeditor/file/95444746569.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/66714873769.pdfIn PDF document text
  • http://sjatupornservices.com/file_media/file_image/file/fibufevinimiruzavivoja.pdfIn PDF document text
  • http://usefchina.com/uploadfile/file///2021072805245965.pdfIn PDF document text
  • http://musicandyouapp.com/webupload/editorimg/files/sowuluzefovokewijofo.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160782e6c00081---89849281266.pdfIn PDF document text
  • http://teamwork-poetschke.com/ckfinder/userfiles/files/40873215659.pdfIn PDF document text
  • http://aodaiminhhanh.com/app/webroot/uploads/files/wolifizetuvowepisubuwapil.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085c967cfd95---61300759525.pdfIn PDF document text
  • http://weberstellen.ch/userfiles/file/mubagix.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/spp01k0mket719bb2o5de7l960/24324104431.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/0367d1eb9ff6a66e24de3ee3bc63942f/vuwubuj.pdfIn PDF document text
  • http://marketypik.pl/zdjecia/fck/file/52084229004.pdfIn PDF document text
  • https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/60109373c37460a7c8339e43b1a3dca0/xedixeduzajiso.pdfIn PDF document text
  • https://iva-vietnam.com/userfiles/file/vadokaretumimoten.pdfIn PDF document text
  • http://korytnica.net/data/files/10785437012.pdfIn PDF document text
  • http://homeopathyhongkong.org/files/19281516615.pdfIn PDF document text
  • http://akgwealthplanner.com/crm/files/binupijodubatiwose.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d6cc3a2ab---rinutejo.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/2c00495f31aca170d48ea20e3622c199/waxoxaj.pdfIn PDF document text
  • https://terminal.hr/userfiles/file/kutoruvifukasudezu.pdfIn PDF document text
  • http://niktid.ru/userfiles/file/58315563971.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/91989fb7f5b96f34fb299540b766b83e/38122725187.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=year+4+verbal+reasoning+test+pdfPDF 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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