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://cructi.ru/uplcv?utm_term=instagram+viewer+no+account PDF link annotation

  • https://qfuse.it/images/uploaded_files/ckfinder/files/1631850451_bfef4923f1.pdfIn PDF document text
  • https://luatsubienhoa.com/upload/ck/files/16513849649.pdfIn PDF document text
  • https://biogenetixpharma.com/ci/userfiles/files/33288465852.pdfIn PDF document text
  • https://sakura-bashi.com/uploads/files/202109051300347236.pdfIn PDF document text
  • http://wakabaeducation.com/userfiles/file/78484785093.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/ee14026cc53394a93d953a64e2a67903/52466959691.pdfIn PDF document text
  • https://nisahanpin.com/calisma2/files/uploads/xerumijejivuxewoxiwepolu.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/c4addd4ed8905c375c3a3331486a6ec8/21081421875.pdfIn PDF document text
  • http://aaas.handyfriendship.com/upload/files/84367551718.pdfIn PDF document text
  • http://benthanhsgfarm.net/images/uploads/files/genojarumigiveletamove.pdfIn PDF document text
  • http://khamtribacninh.com/images/files/kepojibuwakizi.pdfIn PDF document text
  • http://www.mananthavadynorbertines.org/www/js/ckfinder/userfiles/files/jakumu.pdfIn PDF document text
  • http://minhtoangalaxyhotel.vn/app/webroot/files/ckfinder/files/33667747319.pdfIn PDF document text
  • https://pisausakti.com/contents/files/jemogalerufabuzet.pdfIn PDF document text
  • http://blueleaves.ru/userfiles/file/44493761695.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/036ljkeqbe63ena1q0n7ga7gj9/39319990444.pdfIn PDF document text
  • http://kuppersbusch.hu/userfiles/files/nigavuvivileji.pdfIn PDF document text
  • http://juncheng.tw/upload/files/5354232797.pdfIn PDF document text
  • http://perles-del-beya.com/userfiles/file/moviba.pdfIn PDF document text
  • https://mimpidia.com/contents/files/60465193056.pdfIn PDF document text
  • http://flamefitnessstudio.com/cewit/images/file/vasejowetapezesedis.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613bea8d2a92c---87912790080.pdfIn PDF document text
  • https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16140f1ac5196b---51835396061.pdfIn PDF document text
  • http://technocom.pl/editor/file/sukunebobovinojolol.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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