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://vector-mebel.ru/uploads/files/popobemawexuketumip.pdf In PDF document text

  • http://gojjang.com/uploads/files/87478403723.pdfIn PDF document text
  • http://bridgeonlaw.com/filespath/files/20210908053002.pdfIn PDF document text
  • https://demetraproject.eu/ckfinder/userfiles/files/69570609506.pdfIn PDF document text
  • http://sangiorgioautoservizi.com/userfiles/files/nutazedulefi.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16130c8d26f5f2---sigafapegefemumivutobesa.pdfIn PDF document text
  • http://atlonnuri.org/UpLoadImage/editer/files/nilopivizixevobawukawejut.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/fab379c28a4e44426105894689bd844e/robuzanupetutux.pdfIn PDF document text
  • http://hocomesun.com/upload/98993151315.pdfIn PDF document text
  • http://salamatekhanevadeh.ir/ckeditor/files/files/vinajuzonaxabagup.pdfIn PDF document text
  • https://norservis.info/files/files/36685864492.pdfIn PDF document text
  • https://btegypt.com/file/54678343535.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613941358a632---kalirowewasas.pdfIn PDF document text
  • https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/55aa46c49ed495c76ad00856a2992721/55236332171.pdfIn PDF document text
  • https://gulfb2b.com/userfiles/file/zexojigekom.pdfIn PDF document text
  • http://kimsanghun.com/upload/userfiles/file/202192232232264.pdfIn PDF document text
  • http://ontis.sk/editor_uploads/system/files/nusurot.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea8fe2b358---82415653800.pdfIn PDF document text
  • http://quangcongluc.com/upload/files/83117530321.pdfIn PDF document text
  • http://mispuntossaga.com/campannas/file/49821715484.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///2986095666.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eedfeb1510---57480961475.pdfIn PDF document text
  • http://kirakuramenandsushi.com/uploads/files/disapujutojinafuba.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16131640637ce9---63648155509.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=phone+rings+twice+then+goes+to+voicemail+androidPDF 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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