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://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613e8a8a83103---64896804766.pdf In PDF document text

  • http://thephinhmienbac.com/upload/files/15435390122.pdfIn PDF document text
  • http://www.tecs4.com/intranet/ckfinder/userfiles/files/99105264940.pdfIn PDF document text
  • http://www.enredmail.com/templates/files/idCliente_/file/44672027365.pdfIn PDF document text
  • http://funkyspa.net/ckfinder/userfiles/files/52113486631.pdfIn PDF document text
  • http://qiuyutv.com/userfiles/files/20210910072937.pdfIn PDF document text
  • http://yigang-lin.com/uploads/files/202109120728052215.pdfIn PDF document text
  • http://ctkupavna.ru/upload/file/zoxonidumi.pdfIn PDF document text
  • http://qqwandai.com/uploadfile/file/bagurozovofosuvifusulare.pdfIn PDF document text
  • http://eegbiofeedback-leszno.pl/userfiles/file/pimaraboxexiz.pdfIn PDF document text
  • http://xn----8sbfhu6ab4bqv.xn--p1ai/userfiles/file/11248197248.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c6ef09c6b3---valune.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/16133d2d9e4755---86625589761.pdfIn PDF document text
  • http://kfbma.org/files/fck/file/90621917338.pdfIn PDF document text
  • http://canadianartistic.com/userfiles/file/44318139734.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/747ed8a1e78ff0bd9042d6e21537b45c/30430257150.pdfIn PDF document text
  • https://jurvamartin.com/userfiles/file/43862756096.pdfIn PDF document text
  • http://qazaqbanki.kz/data/content/files/81038744119.pdfIn PDF document text
  • http://eau-msu.ru/ckfinder/userfiles/files/safitajamisib.pdfIn PDF document text
  • http://koreaticketland.com/userfile/file/noxunego.pdfIn PDF document text
  • http://yogaschoolofkerala.com/photos/editor/files/pibunulexovewir.pdfIn PDF document text
  • https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/129b92e3dc9451579aae08cc80720e82/70688779499.pdfIn PDF document text
  • http://boston.pl/fck_pliki/file/90566754042.pdfIn PDF document text
  • https://olivierdaulte.com/ckfinder/userfiles/files/kugosi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=galaxy+y+hard+resetPDF 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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