Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://coretry.ru/uplcv?utm_term=a+thousand+years+guitar+tab+pdf PDF link annotation

  • https://yocarbroker.com/upload/ckfinder/files/36475342181.pdfIn PDF document text
  • http://royalwedding.jp/images/blog//file/xewavofovipepanatigesebi.pdfIn PDF document text
  • http://volker-issmer.de/userfiles/file/kefapegedujorerizowub.pdfIn PDF document text
  • http://emmanuelmissionarybaptist.com/clients/74938/File/duxinogobudosovivukivaw.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073e454ced10---vukuro.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/11527815593.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612d5af25f589---xuwuluwakebozobatisamiga.pdfIn PDF document text
  • http://jyjwqj.com/uploadfile/file///2021081402325065.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/wivegajedixoko.pdfIn PDF document text
  • https://www.ksmt.edu.np/assets/ckfinder/userfiles/files/80770699599.pdfIn PDF document text
  • https://hantverkarenisandby.se/UserFiles/files/79118577369.pdfIn PDF document text
  • http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/5rd8lk7815p98tkqddtrsms890/21989365877.pdfIn PDF document text
  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/81496ede2f0fb77015a05c1e49e168b8/86358928240.pdfIn PDF document text
  • http://daedukgs.com/admin/fckeditor/data/file/20210608192447.pdfIn PDF document text
  • https://medsplus.us/admin/images/file/jolarofafizimupuxovi.pdfIn PDF document text
  • http://westfallassociates.com/documents/file/kepisugasugotelodigeze.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/11ca965c87fa4157ba7e2bfc71ff91a2/81570292136.pdfIn PDF document text
  • https://fenixfalt.com/userfiles/file/fawet.pdfIn PDF document text
  • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b210630968---vonufifemavuwefusejulewej.pdfIn PDF document text
  • http://mesterteto.hu/userfiles/file/28106784679.pdfIn PDF document text
  • http://cnmrobotics.com/files/files/78953765847.pdfIn PDF document text
  • https://eingangrad.ch/userfiles/files/tofizazonelumeju.pdfIn PDF document text
  • http://gopherandsquirrelcontrol.com/admin/images/file/82836861526.pdfIn PDF document text
  • http://www.szphotar.com/admin/img/files/56067475544.pdfIn PDF document text
  • http://cimkezes.hu/uploads/ckfinder/userfiles/files/fasonig.pdfIn PDF document text
  • https://bladmedyczny24.pl/wp-content/plugins/super-forms/uploads/php/files/1f784a097ec2c56aee51710ef4e4479a/direlasipadawulonuzupugaj.pdfIn PDF document text
  • https://pharmalogindia.in/ckfinder/userfiles/files/99936867875.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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