Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://oniceh.ru/uplcv?utm_term=libro+de+matem%C3%A1ticas+de+segundo+grado+contestado+p%C3%A1gina+129 PDF link annotation

  • http://flamefitnessstudio.com/cewit/images/file/jidanigawodogovikagonarot.pdfIn PDF document text
  • http://medical-1669.com/userfiles/files/mifelebedotuwuxuw.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/9016aca61c4c0171a426e44ba75e3a98/gediwufixedutijidewo.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a032619143f---gutadalaxapovaladebixo.pdfIn PDF document text
  • http://zonazero.es/userfiles/file/wuwobonakeworal.pdfIn PDF document text
  • http://businessnavigator.in/ckeditor/uploads/files/12205617295.pdfIn PDF document text
  • http://vandientuchinhhang.com/upload/files/84033487561.pdfIn PDF document text
  • http://re-view.online/fckFiles/file/72757598834.pdfIn PDF document text
  • http://ongxoanhdpe.vn/upload/files/93603116359.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/109d7b5f5bf20862ddd250caf88079fe/nanagana.pdfIn PDF document text
  • http://k-yoga.org/file_upload/spaw_upload/file/20210629230311.pdfIn PDF document text
  • https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607cafff261b5---lofulutezelena.pdfIn PDF document text
  • https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/461d85cb9832c5b51b8957e7904bbbc8/12234201618.pdfIn PDF document text
  • https://dimensioninteractive.com/WYSIWYGImage/file/gifepiziwivege.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086f52c92236---63379204645.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b579ef5bca8---80282837299.pdfIn PDF document text
  • https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/272bfbf0aacdec0194dbff65555cd53a/lomenam.pdfIn PDF document text
  • http://hkxhjfc.ltd/uploads/files/20210719201106.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/0ceee0668e5a13bbbc508b53453807d4/41224834873.pdfIn PDF document text
  • https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/056dc49c2c5788bf5ffbf129611c2494/tukipilujino.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/l608p32jhsnc3b8ru2v9ilpdio/dajaxupitanajifabupibufop.pdfIn PDF document text
  • http://dekoblickfang.de/userfiles/file/57714001784.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/i6cf74u55cd0sdeotoeo3nv3s6/41132553204.pdfIn PDF document text
  • http://www.syrahresources.com.au/application/third_party/ckfinder/userfiles/files/83885775164.pdfIn PDF document text
  • https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/7ov2lo73iushbuluu2femok9e5/vopinuf.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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