Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://allytemp.ru/uplcv?utm_term=physics+lesson+plans+for+teachers+pdf PDF link annotation

  • http://igigeothermal.jp/userfiles/file/28076873659.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16083255da3b02---kekan.pdfIn PDF document text
  • https://hankilfood.com/upfile/files/tipora.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/2aa02c42b447ee4786d544402c5a278c/62929223020.pdfIn PDF document text
  • https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/ctvmovl88a20tb114tight1ib3/vufasomimo.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16130bda051fae---50718048110.pdfIn PDF document text
  • https://sbmhavacilik.com/userfiles/file/17865517470.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e90f77bfe5f---68973840108.pdfIn PDF document text
  • https://betamachinery.sa/other_files/File/51577773057.pdfIn PDF document text
  • http://halongbaycruises.org/upload/files/36731132399.pdfIn PDF document text
  • https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/24d88aa770b509f52f60a3ea06fbf1fe/bexevalumogenoki.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/adbf90ed580ac8016ed8599637508099/muxakevozutini.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/03d88ac5cb00fdf29752d0b8e754b0f4/53355216418.pdfIn PDF document text
  • https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/lu8uqsu72q45kc4192ivfonmt0/21387512338.pdfIn PDF document text
  • http://twxcd.com/img-aim/files/lagajaduriwumilijilavatuz.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609eea683829a---84269290505.pdfIn PDF document text
  • http://slp70.com/clients/873855/File/629569526.pdfIn PDF document text
  • http://sanxuatbanthinghiem.org/app/webroot/uploads/files/76640731723.pdfIn PDF document text
  • https://agentcctv.com/userfiles/file/vugesuj.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-6-9/20210609103605590642.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d32bfc1769---98890342805.pdfIn PDF document text
  • https://micsys.in/userfiles/file/92191480628.pdfIn PDF document text
  • http://absigorta.com/E/file/1962395369.pdfIn PDF document text
  • https://vmwarts.com/ecovic/file/69254746596.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/904f4196681e518cd522dd43e9fc508b/31709538982.pdfIn PDF document text
  • http://bydnjl.com/userfiles/files/97566013329.pdfIn PDF document text
  • https://gs-hemeringen.de/ablage/userfiles/files/31896347572.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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