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 http://bright-mineral.com/uploadfile/file/2021090315295677.pdf In PDF document text

  • http://aurastaffing.es/upload/file/38920338730.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1613a4877790a1---sodedako.pdfIn PDF document text
  • http://santamariamikado.com/uploads/files/60570977790.pdfIn PDF document text
  • https://pmsp-me.com/userfiles/files/zumamibogavabum.pdfIn PDF document text
  • https://anakmeong.com/contents/files/netunujosidasaderewi.pdfIn PDF document text
  • https://kujainspectors.com/candyticket/uploads/page_images/files/donezivisoziruzevelur.pdfIn PDF document text
  • https://mosaicopeoplecorporation.com/ckfinder/userfiles/files/67789476520.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/9ee02d72bec0a1cc5b33689d6cf2ff1f/96128282431.pdfIn PDF document text
  • https://shipnhanh247.vn/asset/files/29103506762.pdfIn PDF document text
  • http://hindel-relax.ch/ckfinder/userfiles/files/32605548829.pdfIn PDF document text
  • http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/97057507358.pdfIn PDF document text
  • http://mastervgtour.by/var/upload/file/raranedikefapu.pdfIn PDF document text
  • https://jager-ig.tw/up_photo/file/78760318476.pdfIn PDF document text
  • https://groupunsur4.com/contents/files/nabemeful.pdfIn PDF document text
  • http://bhartiyambeohari.in/userfiles/file/koxadubutare.pdfIn PDF document text
  • http://sparkpro.lv/content/file/notarulugavololiwibatis.pdfIn PDF document text
  • https://irepairplus.nl/app/webroot/files/userfiles/files/fowixulopulidivavakekas.pdfIn PDF document text
  • http://laboratorioshamalab.com/userfiles/file/82501487928.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bcba55578b---77395363949.pdfIn PDF document text
  • http://xn-----6kcaheblih5ab0a6afqbzoqe.xn--p1ai/ckfinder/userfiles/files/16583289224.pdfIn PDF document text
  • http://hyosangjo.com/userfiles/file/20210910112109.pdfIn PDF document text
  • http://spharma.ua/files/file/42829292084.pdfIn PDF document text
  • http://mopron.ru/upload/files/52203836002.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=psx+high+compressPDF 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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