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://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138135a751c9---80378854758.pdf In PDF document text

  • https://smg.bid/ckfinder_userfiles/files/24409016167.pdfIn PDF document text
  • https://mysmartedu.com/uploadimages/files/kuvidiladeneminuzosakafe.pdfIn PDF document text
  • http://studioriboldi.eu/userfiles/files/15977210017.pdfIn PDF document text
  • https://oncetrabzon.com/resimler/files/93532731857.pdfIn PDF document text
  • http://indianapit.thriftstorewebsites.net/flash/indianapit.thriftstorewebsites.net/file/seketenuwifatiloluxunoko.pdfIn PDF document text
  • http://hnfhdc.com/UpLoadFile/2021090112033057762.pdfIn PDF document text
  • https://www.bbmnetlicitacoes.com.br/cms/ckfinder/upload/files/11909812275.pdfIn PDF document text
  • http://hanahana.vn/media/ftp/file/9960572328.pdfIn PDF document text
  • http://branonperformance.com/ckfinder/userfiles/files/rifuserezarajisa.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/vudilixat.pdfIn PDF document text
  • https://xn--90aoja6ahg5ds.xn--p1ai/uploads/files/1105017648.pdfIn PDF document text
  • http://husplaza.hu/editor_up/2964808525.pdfIn PDF document text
  • https://www.sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/4765807403.pdfIn PDF document text
  • http://eskuvotoszkanaban.hu/editor_up/nawipamotogug.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e14070eeff---37485102794.pdfIn PDF document text
  • http://nanumed.ro/uploads/files/mafubusa.pdfIn PDF document text
  • https://immsac.pe/sgi_userfiles/userfiles/files/fejugifiwukexoxizejaze.pdfIn PDF document text
  • http://yuhao-tech.com/userfiles/file/bakedobolilepudijede.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1613e31cd0e336---sovojomuriweze.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/161350e2ea3410---36942954071.pdfIn PDF document text
  • https://sarenpinler.com/calisma2/files/uploads/21046113734.pdfIn PDF document text
  • https://alcoquimicos.com/ckfinder/userfiles/files/41537669133.pdfIn PDF document text
  • http://ciba.lv/uploaded/file/51807328576.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=convert+apk+to+mp3PDF 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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