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://crysiq.ru/uplcv?utm_term=cooperate+in+a+short+sentence PDF link annotation

  • http://meubelenindex.nl/images/uploads/zimifesefudu.pdfIn PDF document text
  • http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/9b57662d339977dd13592f4d51f55968/nuzutevebelubagojadujap.pdfIn PDF document text
  • https://baglab.pl/galeria/file/73824541728.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c73a5a34850---73148761315.pdfIn PDF document text
  • http://steps4cancer.org/clients/a/a7/a78c374070a178914b502abaf3db82b8/File/14480494098.pdfIn PDF document text
  • http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/guxakiva.pdfIn PDF document text
  • http://daiichihr.com/uploads/news_file/56430628229.pdfIn PDF document text
  • https://tavio.ru/files/file/31745496352.pdfIn PDF document text
  • http://izumrud38.com/ckfinder/userfiles/files/vuzokogebexe.pdfIn PDF document text
  • http://studiopol.it/userfiles/files/30059634581.pdfIn PDF document text
  • https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/112bbeeaa6e5ec317c86227a103f6a12/90409088357.pdfIn PDF document text
  • http://maihome.hu/admin1/file/46089896006.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f384a7ecdb---94295595051.pdfIn PDF document text
  • https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/2uvbnd2okh4apfgksgqude00jo/81942343793.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/u5ocrf3pnsrqgo4tn62frarhe7/91468356925.pdfIn PDF document text
  • https://doucetplasticsurgery.com/ckfinder/userfiles/files/39434700704.pdfIn PDF document text
  • http://urdu-hadith.com/survey/userfiles/files/xagerefafurakirun.pdfIn PDF document text
  • http://bagumul.com/file_upload/spaw_upload/file/20210608032839.pdfIn PDF document text
  • http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/160ada1ffa7828---jutare.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b4f7015cd63---zararemekozezomirajoniga.pdfIn PDF document text
  • https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/89419523132a760d3cdc7cf968e0171d/najazexalowajixuju.pdfIn PDF document text
  • https://arichaindia.com/userfiles/file/nuwimilaxugusut.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/puvuvil.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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