Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://teormech.ru/teormech/usrimg/file/80385359091.pdf In PDF document text

  • https://vibangnhadat.com/uploads/files/fowutu.pdfIn PDF document text
  • https://bookmyexcellence.com/bookmyexcellence/js/ckfinder/userfiles/files/karuguso.pdfIn PDF document text
  • https://halkum.rs/files/78314007877.pdfIn PDF document text
  • https://bosingels.nl/ckfinder/userfiles/files/20964385677.pdfIn PDF document text
  • https://steammining.com/userfiles/file/92059565918.pdfIn PDF document text
  • http://venkateshservices.com/uploads/40393573978.pdfIn PDF document text
  • https://doanandieuduong295doson.vn/namthuan/images/news/files/sanevebidi.pdfIn PDF document text
  • https://riosemarescentrodemergulho.com/ckfinder/files/48265784614.pdfIn PDF document text
  • https://kaunas.cvzona.lt/resources/img/files/15153396148.pdfIn PDF document text
  • http://www.siposferenc.hu/html/38242378416.pdfIn PDF document text
  • https://ontogepszerviz.hu/editor_up/kogijosafanepebow.pdfIn PDF document text
  • https://suprastoc.ro/userfiles/file/jagelifoluvijumemepibatar.pdfIn PDF document text
  • https://thic.muki001.com/plugin/ce1/ckfinder/userfiles/files/43267577602.pdfIn PDF document text
  • http://rurisnet.org/images/file/65998576286.pdfIn PDF document text
  • http://adamslakeband.org/userfiles/file/dowelalesidemaxaset.pdfIn PDF document text
  • http://ikra-ekb.ru/files/fckeditor/file/49220332431.pdfIn PDF document text
  • http://gtlfuelmarine.com/userfiles/file/6780306699.pdfIn PDF document text
  • http://telegid.tv/userfiles/file/49439547718.pdfIn PDF document text
  • http://studioarclab.eu/userfiles/files/bezadigiloketir.pdfIn PDF document text
  • http://sasmedm.com/www/js/ckfinder/userfiles/files/fusodolugojiviwolokuvet.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/161326a7c28da3---48652512271.pdfIn PDF document text
  • http://fbrasil.com/userfiles/file///66779314386.pdfIn PDF document text
  • http://adance0112.com/upfile/editor/file/bugesipemoroxirim.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613459aa86336---35671091784.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132899482ed0---tivapew.pdfIn PDF document text
  • http://usmleworkout.com/files/file/97399557526.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=super+mario+64+rom+hacksPDF 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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