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 https://oniceh.ru/uplcv?utm_term=the+word+is+alive+and+active PDF link annotation

  • http://www.arborvitae.cz/ckfinder/userfiles/files/91927194158.pdfIn PDF document text
  • https://markmont.eu/editor_uploads/system/files/kimoj.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/161628dd1e45bb---jilelizutofilodogek.pdfIn PDF document text
  • https://mlbcsimleague.com/ckfinder/userfiles/files/74693358934.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16138676b8a6d2---vewiwomurujuwefe.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/807b16e1b034507eafdf78e8beec82c0/61085410103.pdfIn PDF document text
  • http://vuatoyen.com/uploads/userfiles/file/pilisumowik.pdfIn PDF document text
  • http://alconsprom.ru/ckfinder/userfiles/files/watorokebetefokunune.pdfIn PDF document text
  • https://silverlabpupsforsale.com/userfiles/files/8392327885.pdfIn PDF document text
  • http://22vek-omsk.ru/fck_editor_files/files/69648129537.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/40a4e11b5d0f16eb4ecee1bb43dcfc33/50322255671.pdfIn PDF document text
  • http://www.deopendeur.org/imgUser/file/16686466940.pdfIn PDF document text
  • http://mail.me.ntou.edu.tw/ckfinder/userfiles/files/20210913_200550.pdfIn PDF document text
  • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/9e65568cde9843ad8d52bb20ab734b82/muvaza.pdfIn PDF document text
  • http://taigesw.com/upload/files/zofikavulunar.pdfIn PDF document text
  • http://dalieuht.com/app/webroot/uploads/files/doporosemenarawe.pdfIn PDF document text
  • https://chokysitohang.com/Uploads/userfiles/files/xonilobofumabinekidekiw.pdfIn PDF document text
  • http://www.dogwoodagility.nl/ckfinder/userfiles/files/julurila.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/2bb8dd9e6727575601d899e57028c28d/xogilarokuripiza.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614239b4ea7d4---zisovuwuwibo.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16136d601dc540---xojegesalu.pdfIn PDF document text
  • https://www.sonorisation-auxerre.fr/ckfinder/userfiles/files/34255775931.pdfIn PDF document text
  • https://thailonghoang.vn/upload/files/53707677670.pdfIn PDF document text
  • https://honkakuji.jp/honkakuji/images/ckfinder/files/44580131899.pdfIn PDF document text
  • http://elard-group.com/ckfinder/userfiles/files/65459959798.pdfIn PDF document text
  • http://halmar.info/userfiles/file/sawagut.pdfIn PDF document text
  • http://greensquares.in/userfiles/file///87395813479.pdfIn PDF document text
  • https://s3mail.tenten.vn/js/ckfinder/userfiles/files/14245094723.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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