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://coretry.ru/uplcv?utm_term=conversion+factor+chart+chemistry PDF link annotation

  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609a96a7e945b---16634402747.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/681503100.pdfIn PDF document text
  • http://daiichihr.com/uploads/news_file/wenopakadowujojuz.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096caba0a1a8---46251189083.pdfIn PDF document text
  • http://www.euro-fly.eu/userfiles/files/97335852481.pdfIn PDF document text
  • http://muzycznescyzoryki.pl/userfiles/file/92495165505.pdfIn PDF document text
  • https://oilbasaro.com/web/images/ckfinder/files/20210801164801.pdfIn PDF document text
  • http://vom-ragnaroek.de/uploads/file/bogop.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a0a549e94c---1531850373.pdfIn PDF document text
  • https://anukulagrotech.com/userfiles/file/68229142719.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/e003874d6edf9d00a2f754a6034ccff9/memox.pdfIn PDF document text
  • https://imad0c0.com/js/ckfinder/userfiles/files/97091818180.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/a8910eca1da740d8837cdf528eb36172/wenorowaxeman.pdfIn PDF document text
  • http://bet-balance.com/userfiles/file/85682823632.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/r55tbrh23vdo0k237fo64hgasa/bitodetasafexelemig.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/33364385890.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/df4b5a7741afd2c9a447548082da129a/dematuvexaja.pdfIn PDF document text
  • http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/e94672dedcf5c7fa9d5e65d4d4a0d7e2/vibobofek.pdfIn PDF document text
  • http://solarhomepage.ch/fckeditor/editor/images/file/fipek.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160928581db8b6---69557045824.pdfIn PDF document text
  • http://smartpaintingplus.com/userfiles/files/kuniduwarugalezolevabe.pdfIn PDF document text
  • http://panyuchen.com/ckfinder/userfiles/site_eachfun_com/files/11513907530.pdfIn PDF document text
  • http://ackerviewguesthouse.com/userfiles/file/vafiferixowule.pdfIn PDF document text
  • http://saconsultancy.com/userfiles/file/popebowaniwi.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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