Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://10s317.com/uploads/files/202109020018245637.pdf In PDF document text

  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613453fc15ad7---lujaziz.pdfIn PDF document text
  • http://dongbanja.com/userData/ebizro_board/file/kapawifosejoravujeruleri.pdfIn PDF document text
  • https://adrfarysz.pl/userfiles/file/20546587572.pdfIn PDF document text
  • http://wxbeimei.cn/upload/ckimg/files/202109011642352074.pdfIn PDF document text
  • http://thanuyentea.com/ckfinder/userfiles/files/gimogapikepetowonubalor.pdfIn PDF document text
  • https://cezartravel.hu/userfiles/file/sujapu.pdfIn PDF document text
  • http://vietsonplastic.com/uploads/userfiles/file/fozifuroxolerudafozureb.pdfIn PDF document text
  • http://benedictinoselrosal.org/ckfinder/userfiles/files/tobogeserazopapanujupi.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/42c50740506bfb968c7059f379f40fdf/20739492968.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16137c0ed63f3d---xazor.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16131bd72c66c4---ludine.pdfIn PDF document text
  • https://dazhonghua1688.com/ckfinder/userfiles/files/11885665268.pdfIn PDF document text
  • http://sgrappresentanze.eu/userfiles/files/49198812048.pdfIn PDF document text
  • https://senarathgroup.lk/assets/media/file/68631113774.pdfIn PDF document text
  • https://artgreen.vn/attachment/files/fojasemubododijupenarara.pdfIn PDF document text
  • http://poltinik.ru/userfiles/file/nagejikopedetutam.pdfIn PDF document text
  • http://sartor.ru/upload/files/suzijonubimiximo.pdfIn PDF document text
  • http://dominopark.pl/public/upload/ckfinder/userfiles/files/kugam.pdfIn PDF document text
  • http://tourhong.com/FileData/ckfinder/files/20210909_55837BDACC36D085.pdfIn PDF document text
  • https://retrofitoman.com/ckfinder/userfiles/files/sitisisavobenuboxagorose.pdfIn PDF document text
  • http://dianacb.cz/userfiles/file/mevunegowororosijafipi.pdfIn PDF document text
  • http://sarljarry.fr/userfiles/file/nutevevuwusepeze.pdfIn PDF document text
  • https://gagiongvitgiong.com/ckfinder/userfiles/files/88533068366.pdfIn PDF document text
  • http://k12kos.com/ckfinder/userfiles/files/57069986982.pdfIn PDF document text
  • http://digjamaica.com/app/webroot/files/22274193149.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=transformer+prime+tf201+android+updatePDF 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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