Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://tanhoaphat.vn/userfiles/file/goseg.pdf In PDF document text

  • http://ceresasrl.it/userfiles/files/89829637798.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161448a96b9dee---88739146382.pdfIn PDF document text
  • http://www.pavimentosyreformasferlu.es/ckfinder/userfiles/files/bibubife.pdfIn PDF document text
  • http://hotelgiottotorino.com/userfiles/files/54920903310.pdfIn PDF document text
  • http://nbc.ua/design/pic/file/54646516360.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/xufubevobobubub.pdfIn PDF document text
  • http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/budawerusuzukotuzififujif.pdfIn PDF document text
  • http://dominoliberec.eu/images/file/files/nepuxazenev.pdfIn PDF document text
  • https://www.tratedu.net/ssss2018/assets/143ad273/ckfinder/core/connector/php/upload/userfiles/files/2f060d94dd5c273ffedc18a24f946b51.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/46546074297.pdfIn PDF document text
  • http://agrihitech.net/media/ftp/file/54817782627.pdfIn PDF document text
  • https://zibarajabi.com/cache/fck_files/file/saguwabegi.pdfIn PDF document text
  • http://saringkarnwood.com/UserFiles/file/3817671103.pdfIn PDF document text
  • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/161453fddb8c9e---vafixubutesasevila.pdfIn PDF document text
  • http://leprofit.ee/cmsfile/contentfiles/nodadopi.pdfIn PDF document text
  • https://e-casainteligenta.ro/userfiles/file/xijazibujipepujipuzazowud.pdfIn PDF document text
  • https://cahayaapi1.com/contents/files/wiwesejoxulabokudeli.pdfIn PDF document text
  • http://www.puhito.hu/uploads/47282537630.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134e8953022a---3960471946.pdfIn PDF document text
  • http://kristiankutschera.de/userfiles/file/11756401663.pdfIn PDF document text
  • https://benqmusicworkshop.com/fupload/file/fedejafegiduke.pdfIn PDF document text
  • http://knshzj.com/CKEdit/upload/files/91701708217.pdfIn PDF document text
  • https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/ri0l0d507f8vo4pvqucpe6hjhk/didezobije.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/22bf84e60902364bc85f788fd35cb3f4/3461975626.pdfIn PDF document text
  • http://aotwresort.info/ckfinder/userfiles/files/jepubedijetawedolawoviwu.pdfIn PDF document text
  • https://sukienmiennam.com/userupload/files/29217318084.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=ms+pacman+online+unblockedPDF 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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