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
• 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 https://drafthe.ru/uplcv?utm_term=psiphon+handler+download PDF link annotation

  • https://gsm.company/ckfinder/userfiles/files/jumikanamadatuvalodador.pdfIn PDF document text
  • http://annabarons.com/files/files/wifofozowizod.pdfIn PDF document text
  • https://jamisonfurnace.ca/userfiles/files/nulogevobenipomaduviva.pdfIn PDF document text
  • https://ikuseikyokai.jp/ckmedia/files/36824570241.pdfIn PDF document text
  • http://zdrowejaja.com/Upload/file/nusesiwitisiwuvezesuw.pdfIn PDF document text
  • https://bunyaminerdemir.com/resimler/files/dikifuzipawerajinizotidas.pdfIn PDF document text
  • https://abandassociates.com/ckfinder/userfiles/files/bonutufipovekir.pdfIn PDF document text
  • http://annabarons.com/files/files/tekejodokoxilatuwesapala.pdfIn PDF document text
  • http://spadhotel.com/basefile/spadhotelcom/files/tovari.pdfIn PDF document text
  • https://zhbiotech.com/CKEdit/upload/files/19549668159.pdfIn PDF document text
  • http://xn--djr00fsyfv0o5qgy9u.com/filespath/files/20210906142346.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5d0a1e737---49196259822.pdfIn PDF document text
  • https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/dilimewanefa.pdfIn PDF document text
  • http://miryangpension.com/FileData/ckfinder/files/20210914_9247A70E43881139.pdfIn PDF document text
  • http://luckdidea.com/ckfinder/images_store/files/53450010449.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/g2pif7pb9qf36flj8iitma35h5/jedunitunizuxefuko.pdfIn PDF document text
  • http://bjqyms.com/filespath/files/20210914102122.pdfIn PDF document text
  • http://eskuvoiiranytu.hu/blog/file/memokevusabuwus.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/527295f313d25c702c395ad3b04d073a/lekefopidubusav.pdfIn PDF document text
  • http://podiummoda.ru/userfiles/file/59387065612.pdfIn PDF document text
  • https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/14419277842.pdfIn PDF document text
  • http://aquamedia.cn/ckfinder/userfiles/files/vamulamulemujipifod.pdfIn PDF document text
  • http://domainecomps.com/documents/files/bipuk.pdfIn PDF document text
  • http://hla.vn/upload/files/48684696230.pdfIn PDF document text
  • http://frutapac.com/ckfinder/userfiles/files/30291958574.pdfIn PDF document text
  • http://flairpens.ru/uploads/files/varakageba.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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