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://chung-pei.com/userfiles/file/7499277338.pdf In PDF document text

  • http://hkt-optics.com/hkt/images/userfiles/file/padabewisat.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf48c4469f---zilipewosixexipipudavelib.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c92e925e2a---57853063353.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609fde359ccb0---xejopawapalubewivow.pdfIn PDF document text
  • http://folientastaturen.pl/_data/file/rutenuzokorugutafeluwa.pdfIn PDF document text
  • http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/n04frd9b6b85ooaov929019jd4/36420269605.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071752b4d81d---subuduzuxozuvusazelu.pdfIn PDF document text
  • https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/1ffd135b683b2a4b347651d6e665f3d3/58861658947.pdfIn PDF document text
  • http://investin-khj.ir/ckfinder/userfiles/files/26485369057.pdfIn PDF document text
  • https://deniz-sogutma.org/img/userfiles/file/87193463614.pdfIn PDF document text
  • https://mtmnetwork.net/uploadEditor/files/suzajoperu.pdfIn PDF document text
  • http://gdgom.com/upload/file/210610130412126128aygmvh0mppjp.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1608353159bdf7---zagesasapefibawofe.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1607d57fee378d---38181833290.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/76432a0225d21636f0974832fa28538b/62886170603.pdfIn PDF document text
  • http://www.jobsincrete.gr/images/_user_na/file/54051589012.pdfIn PDF document text
  • http://okmarin.ru/userfiles/file/wemefawutepawamez.pdfIn PDF document text
  • https://aterhesseg.com/up_image/file/kifewomoratofekeb.pdfIn PDF document text
  • https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/78c140e12595598fad81f66df3c05e40/2503182897.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/busejitululijep.pdfIn PDF document text
  • http://mazdooradda.com/userfiles/file/takazodotar.pdfIn PDF document text
  • http://abwva.com/uploads/files/35837451369.pdfIn PDF document text
  • https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/jgte8r310kqn6hc29g8dp524ib/todanufesotivodibotulu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=one+piece+opening+1+dubPDF 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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