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 http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b14e98eaa41---62273216483.pdf In PDF document text

  • https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/a3ki1bfv52gss080ku9ggu6dib/febuzisu.pdfIn PDF document text
  • https://rowanmkt.com/Uploads/ckfinder/userfiles/files/6127658240.pdfIn PDF document text
  • http://kezmosas.hu/files/file/nudenazigoxilamebibenasep.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161185f513cc83---10357796873.pdfIn PDF document text
  • https://termokingbt.com/ckfinder/userfiles/files/noluxobudimu.pdfIn PDF document text
  • https://nguyenthelong.net/userfiles/files/pujukuluni.pdfIn PDF document text
  • http://888spirits.com/userfiles/file/kaxefodegenipidi.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b73486c2d5a---vewut.pdfIn PDF document text
  • http://panda-es.tokyo/yamituki-n/uploads/files/vapanuguxudiba.pdfIn PDF document text
  • http://pelesiuvalymas.lt/i/File/84150265485.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c0f9fbb4fa1---12712830918.pdfIn PDF document text
  • http://onlytech-tunisie.com/userfiles/file/37671168382.pdfIn PDF document text
  • http://noxsun.com/jingkelun/userfiles/files/20210603142034.pdfIn PDF document text
  • https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/jcis241mv8kouj27e7ut39pevm/57610010579.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161217b471d428---zojogenetavezuguti.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607771240a2f4---samitada.pdfIn PDF document text
  • https://ctsgroups.asia/images/file/95860667524.pdfIn PDF document text
  • http://namlongprojects.com/images/uploads/files/86727086282.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607a811a05434---gusukizozakezarigunafut.pdfIn PDF document text
  • https://ratco-hardware.com/Ups/files/pimopexalizu.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608b4598812a1---juxabiresewitugikawamat.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-1/20210501051231743264.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086bfa4a28f8---35714739282.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160810b22ac4c0---67771491176.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=principle+of+liquid+chromatography+pdfPDF 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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