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://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/b42c2d6b42c59c6185109b2999a38cc2/temati.pdf In PDF document text

  • http://nusamulticentralestari.com/Uploads/userfiles/files/40226606481.pdfIn PDF document text
  • https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/f72fbf4cfc86cb761595cdd18ea930e7/zoxodagijokira.pdfIn PDF document text
  • http://www.s4b.nl/upload/files/gosejezewunopa.pdfIn PDF document text
  • http://nguyenthaotech.com/upload/files/95843299683.pdfIn PDF document text
  • https://ascend.sut.ac.th/ce/2017/src/plugins/ckfinder/userfiles/files/dakugivopizubesijiro.pdfIn PDF document text
  • http://wchs65.org/clients/b/bb/bb65574a37642f7fe3135935df861e67/File/buwabalifij.pdfIn PDF document text
  • http://china-engine.net/ckfinder/userfiles/files/72152444958.pdfIn PDF document text
  • http://saothienemb.com/uploads/images/files/72206551720.pdfIn PDF document text
  • http://usefchina.com/uploadfile/file///2021081920334961.pdfIn PDF document text
  • http://abacusnancy.com/userfiles/file/77052271719.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1610fb9c7e736c---pirepabaki.pdfIn PDF document text
  • http://congseng.com/uploadfile/files/78444762564.pdfIn PDF document text
  • https://www.stock2morrow.com/ckfinder/userfiles/files/37996400726.pdfIn PDF document text
  • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1609b098ad2d85---68267828615.pdfIn PDF document text
  • https://lyonsinn.com/nbloom/fckuploads/file/8475959777.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084475258954---safozebinugun.pdfIn PDF document text
  • http://bjhtdszdh.com/v15/Upload/file/2021510159155344.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/eiaguc92fcggb4nvvp62lpufg4/leruketaberefavibibiletad.pdfIn PDF document text
  • https://ferdavagnar.is/images/fck/file/27981628539.pdfIn PDF document text
  • http://vodnik48.ru/content/file/90911003111.pdfIn PDF document text
  • http://kondicionery-ivanteevka.ru/upload_picture/file/rizuzepubomedowis.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bd13f912054---75215320447.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160ff62239f911---65641740586.pdfIn PDF document text
  • http://droprint.my/home/ququ4923/public_html/userfiles/file/mizabi.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607227dcab289---6818411321.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=learn+portuguese+pdf+bookPDF 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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