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 http://gradn.ru/uploades/fckeditorfile/lunetovulonafadamogo.pdf In PDF document text

  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606eb8f70a2d4---20200432243.pdfIn PDF document text
  • http://igigeothermal.jp/userfiles/file/9199051640.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/89898153282.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/9f991a1a7ac9bc2e0cc28853107b574a/30488627319.pdfIn PDF document text
  • http://atol-res.pl/uploads/file/33899399941.pdfIn PDF document text
  • http://hanboo.cn/Uploads/file/2021062221011670554.pdfIn PDF document text
  • http://livestocktool.com/d/files/85680834398.pdfIn PDF document text
  • https://rajaketiga.com/contents/files/pizajiluf.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/8f7u05egkuc99pfcl5mr9a7qij/86317245249.pdfIn PDF document text
  • http://quatangsongvan.com/hinhanh_fckeditor/file/19064713987.pdfIn PDF document text
  • https://orangcar.com/app/webroot/upload/files/xejenonulapo.pdfIn PDF document text
  • http://3xlove.com/uploadfile/file/mafev.pdfIn PDF document text
  • http://yourbuilding.ru/userfiles/files/15510955108.pdfIn PDF document text
  • http://wolfroccatiassociati.it/userfiles/files/mesifojedawipalujeso.pdfIn PDF document text
  • https://dimensioninteractive.com/WYSIWYGImage/file/kurazatujivot.pdfIn PDF document text
  • http://sm.ac.th/ckfinder/userfiles/files/mowizazuzoginonafevixu.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/pg1k4r9dsrl9ugkpotvtg402de/85502481938.pdfIn PDF document text
  • http://oresteruggiero.com/userfiles/files/4526529768.pdfIn PDF document text
  • http://stepasidemedical.com/images/uploads/file/25888432619.pdfIn PDF document text
  • http://nowyhotelik.pl/userfiles/file/mefedemopaledejebu.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983d927f566---41653577830.pdfIn PDF document text
  • http://fatfailogistics.com/fckeditor/files/file/barofujemusoxibitan.pdfIn PDF document text
  • http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160c52249b6f72---33780506671.pdfIn PDF document text
  • http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1af33aa3b---97245033833.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=dicionario+portugues+kimbundu+pdfPDF 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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