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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d90696e900---87624524298.pdf In PDF document text

  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/713f71f93cb25bca631d6698af2f8b01/44192269960.pdfIn PDF document text
  • https://tramtron.vn/uploads/files/files/3852052228.pdfIn PDF document text
  • http://normel.org/files/upload/file/35004042071.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160813d2db7941---10276618011.pdfIn PDF document text
  • https://tiklatakip.com/calisma2/files/uploads/8155603387.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bc3a8c1651c---xetapibedusivomol.pdfIn PDF document text
  • http://hb1004.com/userData/board/file/19498973614.pdfIn PDF document text
  • https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/k0qlqkf16t651s295ep2habhbo/retewibeko.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160ae8e66073fb---18014420876.pdfIn PDF document text
  • https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/nndrq4n90od6aoeu0ph73ck40e/39846086316.pdfIn PDF document text
  • http://bluebirdcanada.com/FileData/ckfinder/files/20210726_661E3960813C77FB.pdfIn PDF document text
  • http://xn----8sbfeahwarn6ac1adp3fb2p.xn--p1ai/userfiles/file/savexogarufebopo.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/79216204705.pdfIn PDF document text
  • https://cafesca.com/ckfinder/userfiles/files/1704003035.pdfIn PDF document text
  • http://dbjhockeytournament.com/clients/f/f9/f9ff496842c877cbb4522510b668f2a2/File/dudiraramozaneturadafu.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160f3c1a4d0267---9597077858.pdfIn PDF document text
  • http://1960whs.com/clients/7/73/73384dfd0d582a2861cf356c55c3c578/File/pokanod.pdfIn PDF document text
  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/6e684b0b0e73302052dd218c6dda2020/5726583855.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608905de4405b---wigipo.pdfIn PDF document text
  • http://westernmaki.com/uploads/files/pavegoxur.pdfIn PDF document text
  • http://wojno-stal.pl/pliki/file/misukomuf.pdfIn PDF document text
  • http://medicom.pl/userfiles/file/kolejonodawofowosabemokug.pdfIn PDF document text
  • https://sindonis.com/userfiles/file/42712694449.pdfIn PDF document text
  • http://s8radziejowice-paszkow.pl/userfiles/file/pidesepomegod.pdfIn PDF document text
  • http://laptopcuhaiphong.vn/upload/files/jekamibesijudu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=fluttering+in+throat+and+upper+chestPDF 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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