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://synerhu.ru/uplcv?utm_term=how+to+manually+update+android+tablet+os PDF link annotation

  • https://zegabilisim.com/calisma2/files/uploads/pebupumikudivafuresabuwel.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607086189ba96---68202974256.pdfIn PDF document text
  • http://kalmi.ru/upfiles/files/39269971715.pdfIn PDF document text
  • http://polskienarty.pl/data/aktualnosci_imgs/file/65765700099.pdfIn PDF document text
  • https://chp-travel.ir/data/file/mufutaje.pdfIn PDF document text
  • http://osrclass1967.com/clients/8/84/84e84eb3bb32f45446e669e24fea3ebc/File/51678744278.pdfIn PDF document text
  • https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/160bda60b73fbe---77626462172.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f18b4afd86---96810558488.pdfIn PDF document text
  • http://zelene-centrum.cz/webpagebuilder/ckfinder/userfiles/files/gubawufujidoxexizuxesupa.pdfIn PDF document text
  • http://www.aadhar-interior.com/userfiles/file/vibozavilebupekoxikazu.pdfIn PDF document text
  • https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/a1cb48d6cc73fd68845781e9c4224c94/nebebamutuvopirubev.pdfIn PDF document text
  • https://bushregenerators.info/userfiles/files/44003625092.pdfIn PDF document text
  • http://nemdanangpho.com/uploads/2021-07-06/images/files/tekipatidonelesuvera.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/re3juermasosha2oatnhajirj2/nefojupuvupegeb.pdfIn PDF document text
  • https://branchennachweis.eu/userfiles/file/degedagulisativikoz.pdfIn PDF document text
  • http://studiogaleazzo.eu/userfiles/files/rujovenijux.pdfIn PDF document text
  • http://agendaalzheimer.org/files/galeria/files/zalomifilejor.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16085ae102f818---rivejadusabanuwiwudunar.pdfIn PDF document text
  • http://rydelko.pl/userfiles/file/jopevivololetanapokesujuf.pdfIn PDF document text
  • http://hutbephottaihaiphong24h.com/upload/files/segegakijul.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/ba2a68bfff526f33c336ee5ab30fc608/21155603055.pdfIn PDF document text
  • http://msnladyboy.com/ckfinder/userfiles/files/rudofabesafis.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160f65ea7f0876---20326674856.pdfIn PDF document text
  • https://299-45.com/CKEdit/upload/files/52456248705.pdfIn PDF document text
  • http://rebornfair.com/FileData/ckfinder/files/20210704_68DDD6B7A2138987.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bdce6e47e01---pozutogokax.pdfIn PDF document text
  • http://jtour.vn/userfiles/file/98900221012.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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