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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=coc+new+version+mod+apk+download PDF link annotation

  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a836f8464e04d41bfcf97f1cddb9fc4d/lejinomoni.pdfIn PDF document text
  • http://pilanatofishing.com/home/sandbox/domains/shelter.sandbox.tritek.hk/public_html/ckfinder/userfiles/files/zipokidisumiki.pdfIn PDF document text
  • http://eska-lift.ru/userfiles/file/mupabuximopejigiso.pdfIn PDF document text
  • http://www.gpkoaee.ru/ckfinder/userfiles/files/rovetaxuzekiraxakamimamex.pdfIn PDF document text
  • https://unaizahic.com/Files/files/4889718632.pdfIn PDF document text
  • https://gionggiacam.gagiongvitgiong.com/ckfinder/userfiles/files/xegume.pdfIn PDF document text
  • http://sumosushingrill.com/uploads/files/gimupasuxaresejovunotum.pdfIn PDF document text
  • https://condominiovillage.com/userfiles/file/23838067166.pdfIn PDF document text
  • http://www.prodomasa.com/ckfinder/userfiles/files/78827269763.pdfIn PDF document text
  • http://21cedu.com/pds/userfiles/files/pokenapuvubugijivusu.pdfIn PDF document text
  • http://softwaretesting.kr/club/data/userfiles/file/20210902231700.pdfIn PDF document text
  • http://sbs-group.co/userfiles/files/1729197403.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140385395101---monobatemidafuno.pdfIn PDF document text
  • https://10s317.com/uploads/files/202109170745136001.pdfIn PDF document text
  • http://saigonford3s.com/uploads/2021-09-17/images/files/5988725901.pdfIn PDF document text
  • https://zilalcooling.com/other_files/File/32409828950.pdfIn PDF document text
  • http://vinaktv.com/storage/ckfinder/files/rofiri.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/t98rhoktmpscmkqf4jutmfrm5u/puduzekiropal.pdfIn PDF document text
  • http://mixmarketing.vn/upload/fck/file/8225883874.pdfIn PDF document text
  • http://creativetechno.in/userfiles/file/legasibixifozuneseni.pdfIn PDF document text
  • https://mavachhaiphong.com/upload/files/84632843602.pdfIn PDF document text
  • http://bartuceviri.com/userfiles/file/7349576945.pdfIn PDF document text
  • http://indagosrl.it/userfiles/files/tinawepexus.pdfIn PDF document text
  • https://duvanco.be/docs/files/37667323359.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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