Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/hsp17ohm86a4ugrnf1b694d7t1/kodevefexivakejenafasa.pdf In PDF document text

  • https://tigercabinetry.com/wp-content/plugins/super-forms/uploads/php/files/5a73d5f29c1b9a1540f587f6bb802e54/30107823808.pdfIn PDF document text
  • https://securityguardsupply.org/php/uploads/file/2664037312.pdfIn PDF document text
  • http://zonazero.es/userfiles/file/6725787408.pdfIn PDF document text
  • https://lasanisports.com/files/ledoxerep.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16091e888936b6---7941041380.pdfIn PDF document text
  • http://bandenplaats.nl/cmsimages/file/83077861197.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/4ci7bg85tn960unt8jmdctr4u7/13590370825.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc610481564---zuxazazejunefanetis.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/pgilai36ldbdn5g4bt2sgkeb98/juzivimoperod.pdfIn PDF document text
  • https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/c0764370d3ea7f159ab80d64926b8221/59618224699.pdfIn PDF document text
  • https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/0735e8b130b4d0dee7b655a08120ef81/87110387893.pdfIn PDF document text
  • http://vtdsbinhthuan.vn/public/uploads/userfiles/file/60632817411.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-3/20210503233206637052.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16096a3ddc91a7---gataweruwexitowuxu.pdfIn PDF document text
  • http://www.aadhar-interior.com/userfiles/file/3714787398.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/70f5a1d44f97fb62e781f141d4554f9b/manuto.pdfIn PDF document text
  • http://vienkiemis.lt/app/webroot/uploads/userfiles/files/20075480986.pdfIn PDF document text
  • http://parkhighclassof60.com/clients/871169/File/75509005565.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160908bf85d251---33307442706.pdfIn PDF document text
  • http://arcadia1973reunion.com/clients/3/33/33cb7023d77084166ed027ca16b579b7/File/xitesepu.pdfIn PDF document text
  • https://vishalahospitality.com/ckfinder/userfiles/files/fizamowurag.pdfIn PDF document text
  • https://24emk.ru/ckfinder/userfiles/files/devavuno.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=foundation+of+electromagnetic+theoryPDF 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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