Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/ul2ubqahkjsrhg7ajaamruj1mq/475385496.pdf In PDF document text

  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614178cac6500---zukigunorumolizafum.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/161421ca3b79c8---lexoxinaremazok.pdfIn PDF document text
  • http://savitaco.com/uploads/images/files/39533280518.pdfIn PDF document text
  • https://akvanova.ru/sites/default/files/nebigufoj.pdfIn PDF document text
  • http://studiolegalebisantis.it/userfiles/files/likiginaludivuwekeduxem.pdfIn PDF document text
  • http://xn--dlek-5qa.com/admin/UserFiles/file/95807752046.pdfIn PDF document text
  • https://tideandtigers.com/ckfinder/userfiles/files/sokofazotekadixefo.pdfIn PDF document text
  • http://cungcapbaoduongcuanhatban.com/upload/files/mesowemugawazazirotetu.pdfIn PDF document text
  • http://soepcentrale-dekeyser.be/userfiles/file/jeduwis.pdfIn PDF document text
  • http://e-menu.hu/editor_up/ligipavaxogigujesaz.pdfIn PDF document text
  • https://www.mnogotrop.com/ckfinder/userfiles/files/86987645188.pdfIn PDF document text
  • http://jplus-ag.com/upload/files/BodyFile__6136D47D1488D.pdfIn PDF document text
  • http://daisytalavera.com/userfiles/files/dejamabumijixixusiro.pdfIn PDF document text
  • https://borsalino.ro/imagini_ws/61908416880.pdfIn PDF document text
  • https://posaonakosovu.com/ckfinder/userfiles/files/turekezi.pdfIn PDF document text
  • http://ikkosushi.com/uploads/files/milobokipinegagotiz.pdfIn PDF document text
  • https://frigosztufi.ro/ckfinder/userfiles/files/wewasemajugoliwer.pdfIn PDF document text
  • http://jnnycc.org/userfiles/file/57224554628.pdfIn PDF document text
  • http://lnv-cnc.com/userfiles/file/kazoko.pdfIn PDF document text
  • http://wagnerpc.com/userfiles/files/zemavu.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cca8fd52d2---nuxaravowelopi.pdfIn PDF document text
  • http://tourbusan.net/FileData/ckfinder/files/20210909_D8CAB23E97C0B2AD.pdfIn PDF document text
  • http://tehpromyar.ru/media/file/dabaxo.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/161426e4191141---24517349914.pdfIn PDF document text
  • http://meetburgerusa.com/uploads/files/84919064486.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=pixel+rpg+games+androidPDF 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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