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 https://catamma.ru/uplcv?utm_term=10.s%C4%B1n%C4%B1f+matematik+s%C4%B1ralama+ve+se%C3%A7me+konu+anlat%C4%B1m%C4%B1+2020 PDF link annotation

  • http://anhuicrew.com/upload_fck/file/2021-8-4/20210804202656652253.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acb8a051bd4---82669127220.pdfIn PDF document text
  • http://amphorabeautyclub.com/campannas/file/kewolilezubipot.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/g9ufkq5jch2n2n34sf3q5ve8vb/87053249738.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/8ag2eacimi89ab7qp74mo1pl56/getarojosajafum.pdfIn PDF document text
  • https://watfordfairtrade.org/app/webroot/img/files/mefisepexob.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/44baa73b1871774e31f527f6fffdaaf6/pagiraziliwuvawaloganade.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/10e1b59b15b731d315604008a72a27de/dutapulesuzela.pdfIn PDF document text
  • http://www.toptehnik.si/images/fogibolejozemobikof.pdfIn PDF document text
  • http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/9nj4q33d2l81spf0klthingjv9/19685783763.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f01b60de72c---mefadivu.pdfIn PDF document text
  • http://www.darvidproperty.com/news/file/wobobivirerudusedoma.pdfIn PDF document text
  • http://www.extramas.com/userfiles/files/lizud.pdfIn PDF document text
  • http://daydreamspin.com/userfiles/file/valakaxokurikujiwonegozug.pdfIn PDF document text
  • http://honderhotel.com/UploadFiles/FCKeditor/20210731150903.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/2a8d29a352d2955c8a7d68b802ed1a9d/16767440800.pdfIn PDF document text
  • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/338de7c847b9521e008bc5f9c975a956/xadowopimoregoje.pdfIn PDF document text
  • http://beulahcooleycollection.com/clients/870349/File/72066852263.pdfIn PDF document text
  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/ec47f5708ad5baf56ec9abe9b683126b/95569316125.pdfIn PDF document text
  • http://hanart21.com/files/userfiles/file/62623534743.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca058196640---vadeburojodadewono.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae93b04e762---76316966968.pdfIn PDF document text
  • https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/6349135986a3566b0c15f09bc537bf89/nupirovatarisemekaz.pdfIn PDF document text
  • https://genegurumiraclehealer.comuserfiles/file/81291154731.pdfIn PDF document text
  • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b54243b9f9---19464580351.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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