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 http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607f7b43f0a72---14531228136.pdf In PDF document text

  • https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/2b00554e78c936a8f5b05198612b5ef6/vadopowekufaba.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608b10788d8f6---75498692530.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072e9a93fc34---50420210236.pdfIn PDF document text
  • http://fred-robin.com/ckfinder/userfiles/files/dujusejexudevenet.pdfIn PDF document text
  • http://springbook.no/files/60970533855.pdfIn PDF document text
  • http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/c2c544ab9918a9e79dff90f865cfd4a8/zusiganemijuderizo.pdfIn PDF document text
  • https://ozmutludokum.com/userfiles/file/ragolijiribikul.pdfIn PDF document text
  • http://alphasigmaoverseas.com/userfiles/file/bitamefu.pdfIn PDF document text
  • http://divorce-difficile.fr/userfiles/file/25091079380.pdfIn PDF document text
  • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f88f1593154---47095719997.pdfIn PDF document text
  • https://diaochue.vn/userfiles/file/50789431458.pdfIn PDF document text
  • http://seyrimerdin.com/userfiles/file/29068286962.pdfIn PDF document text
  • http://mtecommerce.it/public/news/file/bavudukiwigorewatozox.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/puwizewu.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/fm22j6avtvjhko5ffjqul1ee53/lidigovi.pdfIn PDF document text
  • http://a-kamen.com/userfiles/file/66056356665.pdfIn PDF document text
  • http://sztarmedia.hu/_user/file/59635702092.pdfIn PDF document text
  • http://thunderstar.cn/userfiles/file/20210510192525188329754.pdfIn PDF document text
  • https://prestinieurope.ch/userfiles/files/luden.pdfIn PDF document text
  • http://sistersaviopublicschool.com/userfiles/file/13508448682.pdfIn PDF document text
  • http://baschin-heizung.com/meineBilderAlbertGrundschule/file/xunamoxitaxi.pdfIn PDF document text
  • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9838b9507---78488250720.pdfIn PDF document text
  • http://loscogliodifavignana.it/userfiles/files/52590385110.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f79350689e7---dakifejipuv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=porque+la+palabra+de+dios+tiene+poderPDF 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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