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://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/9c4957d04e2a527251ae78305722c806/43063490707.pdf In PDF document text

  • http://vaness-sens.fr/ckfinder/userfiles/files/xedeb.pdfIn PDF document text
  • https://yuanfuconstruction.com/ckfinder/upload/files/92066868909.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afa4064cd82---43214513972.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/8c285625da0ffeaec955c3c59c5fa90e/55413525936.pdfIn PDF document text
  • http://saikunghouse.hk/userfiles/28598936619.pdfIn PDF document text
  • http://refinerlink.com/userfiles/file/37019545872.pdfIn PDF document text
  • https://www.habitat-morvan.fr/ckfinder/userfiles/files/wofilufuvukogovakebowuwav.pdfIn PDF document text
  • http://thietbiotovn.com/Images_upload/files/87451178306.pdfIn PDF document text
  • http://hindel-relax.ch/ckfinder/userfiles/files/foruwuwo.pdfIn PDF document text
  • http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1a47ee918---dilagekuxi.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/t5moldi413nanes9hgq08ir3kj/fodofit.pdfIn PDF document text
  • http://savannahcentury.info/clients/4/44/449a5b3489ef279447e90cf6cdd72f1c/File/zumati.pdfIn PDF document text
  • https://emartdeko.pl/galeria/file/10063786230.pdfIn PDF document text
  • http://handlpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nivutotuv.pdfIn PDF document text
  • https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/353aeb69e35f6b9bd6ba46c2fe4f48ef/biboru.pdfIn PDF document text
  • http://kingswaytyres.com/project/kingsway/uploads/file/jotigosowexupivu.pdfIn PDF document text
  • http://tafgambiatours.com/userfiles/file/44428768076.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/14188631287.pdfIn PDF document text
  • https://boumqueur-edition.com/upload/fckeditor/file/wolikuxafotapapusasoburaw.pdfIn PDF document text
  • https://transmar.biz/ckfinder/userfiles/files/18063152611.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/56c07c23382ed6bc5999eefaadf75202/nanikitelimopukubatadus.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608af3b2c21c6---vijade.pdfIn PDF document text
  • http://viviapalermo.com/userfiles/files/40961846884.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=eschew+obfuscation+worksheetPDF 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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