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
• 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 https://wastran.ru/uplcv?utm_term=windows+phone+contacts+to+android PDF link annotation

  • http://worshipedia.net/sites/default/files/file/26377910566.pdfIn PDF document text
  • http://greenearthgardens.org/userfiles/35430911399.pdfIn PDF document text
  • http://naim.naparts.com/images/fck/file/53014150967.pdfIn PDF document text
  • http://app0.linkeo.it/ckfinder/userfiles/files/12734828348.pdfIn PDF document text
  • https://happen.webasl.com/userfiles/file/40769984782.pdfIn PDF document text
  • http://skkouty.cz/ckfinder/userfiles/files/xokogezupijobagi.pdfIn PDF document text
  • http://3q1p.com/upload/file/210903123113712626aptvdhxgkw5m.pdfIn PDF document text
  • https://kindeeyudee.com/ck_files/files/76830232041.pdfIn PDF document text
  • http://drsuthichai.com/userfiles/files/bizopi.pdfIn PDF document text
  • https://rwd.webseo.tw/upload/files/41036428096.pdfIn PDF document text
  • http://friend5190.xyz/js/ckfinder/userfiles/files/kujazudiguligekofapiri.pdfIn PDF document text
  • https://inprovitperu.com/ckfinder/userfiles/files/40460943275.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/f20e4fdbf17dff0179206b5759824d0d/fojuxilizudu.pdfIn PDF document text
  • http://kebirbeton.com/userfiles/file/23412517694.pdfIn PDF document text
  • https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/70642339350.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16141625e301ba---wekasu.pdfIn PDF document text
  • http://ginzaramen.us/uploads/files/fakizo.pdfIn PDF document text
  • http://gibisch.biz/files/files/lefenujikewelo.pdfIn PDF document text
  • https://pilot-nav.socksnbows.com/ckfinder/userfiles/files/dapikedim.pdfIn PDF document text
  • https://loffoxfitness.mvwebsolution.com/userfiles/files/71799089703.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613833d3065d2---rokiz.pdfIn PDF document text
  • http://orderkai.com/uploads/files/75070101877.pdfIn PDF document text
  • https://reazfarah.com/ckfinder/userfiles/files/nuwapadisoxobiketikubi.pdfIn PDF document text
  • https://dbhattacharjee.com/ckfinder/userfiles/files/49951768370.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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