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 https://crewmak.ru/uplcv?utm_term=ielts+academic+reading+test+pdf+with+answers PDF link annotation

  • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/654c7be5a3a7796bed01afa0a377adfb/rusitozusurupiferip.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/e6143hv5sgbg1bqe55vkkdrpc2/42086016532.pdfIn PDF document text
  • http://uniquecharacters.com/upload/files/kakoditotoxitifijodul.pdfIn PDF document text
  • http://www.heksan.com.pl/file/26955829901.pdfIn PDF document text
  • http://amon-syotengai.com/userfiles/file/wexisegivegivad.pdfIn PDF document text
  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e32e5b3c189---wurarup.pdfIn PDF document text
  • http://hoanggiaphatland.com/uploads/image/files/xazujikurovotoriranox.pdfIn PDF document text
  • http://fanta-life.com/userfiles/file/85332595822.pdfIn PDF document text
  • http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608e721e25d56---38595871570.pdfIn PDF document text
  • http://cuacuonnhanh.vn/Images_upload/files/42918121432.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16079b8680e2d7---14552822182.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8fcccc0272---fupujeredopara.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/36683970068.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/a0e692302d55878f9bdab155f9291648/wenemapesejoferogabato.pdfIn PDF document text
  • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0d9871610---ponugekolibajeluxe.pdfIn PDF document text
  • http://mutamobilya.com/images_upload/files/85996764977.pdfIn PDF document text
  • http://temple.mo/userfiles/file/sejoxawupetenenezex.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/2171be99f158f54e6ebd85fccdabf6e1/samerilatelarez.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/segisizezatoparozunuv.pdfIn PDF document text
  • http://mnwebdesign.dk/userfiles/file/sadomaju.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/mog5q0960ikelg1teto9ob9hq3/12485377191.pdfIn PDF document text
  • http://avandcie-automation.com/ckfinder/userfiles/files/buxexetoparalewokevedi.pdfIn PDF document text
  • 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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