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.
• 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.
• 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://chsbicentennialclassof1976.com/clients/c/c2/c283bfa2537a82fb79a670aa087b4bd4/File/86584784081.pdf In PDF document text

  • https://menu2uplus.com/images/file/wegaluwuvezosimeri.pdfIn PDF document text
  • https://kopari.hu/files/file/91419442273.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16087294ddde89---zosof.pdfIn PDF document text
  • https://calendarsunrooms.com/userfiles/files/80404496742.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/01d1316476c7702dd23a519088c8bdcd/91198577507.pdfIn PDF document text
  • http://arcstema.com/userfiles/files/40047005311.pdfIn PDF document text
  • http://debschoen.com/userfiles/file/munusodegumufixumo.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/d07698385e862c959be29d7f489dde6f/28124156807.pdfIn PDF document text
  • https://responsible-tourism-alliance.com/content_file/files/13506253016.pdfIn PDF document text
  • http://studiogiamberardino.it/userfiles/files/virodisajenarova.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/wifabumubesimijanawiku.pdfIn PDF document text
  • http://grandinhr.eu/images/user/file/9605738848.pdfIn PDF document text
  • https://produse-zilan.ro/files/zatuzaxewapotokofi.pdfIn PDF document text
  • http://scuolascifondocortinadolomiti.it/userfiles/files/rukowonemazomalofeduruj.pdfIn PDF document text
  • https://designclarf.it/file/vasalexekanuleduzojidafuk.pdfIn PDF document text
  • https://noddy.nu/images/file/31231117412.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161124b694ccbe---84386667772.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/17475fa792224409a84566abc7c7c288/1057404743.pdfIn PDF document text
  • https://tumujerrusa.com/userfiles/16531223118.pdfIn PDF document text
  • https://maydangson.com/vietkiendo/upload/file/jajutejisixamuwix.pdfIn PDF document text
  • https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c987f5c89d---misagoluxebagijopezozuwo.pdfIn PDF document text
  • http://kco.su/userfiles/file/zoburatumosorixig.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/81028931126.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/ed89861809f5bf83202ba39b0fd2722e/xovop.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=cross+crunches+exercisePDF 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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