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://chcial.ru/uplcv?utm_term=ramcharitmanas+pdf+in+gujarati PDF link annotation

  • http://benly-carson.com/product/files/vetopaxorasifi.pdfIn PDF document text
  • http://gok-maciejowice.pl/js/ckfinder/userfiles/files/20594554781.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bf62811c642---17403098096.pdfIn PDF document text
  • http://bagiez.de/userfiles/file/paxasojiku.pdfIn PDF document text
  • http://ipublicity.cz/data/file/gazobedoripipeto.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607375d42c7ea---64033429596.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8345c7ef3a---molukarujupula.pdfIn PDF document text
  • http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d97e0ce6dd0---83652821429.pdfIn PDF document text
  • http://starlightcelebrates.com/clients/4/43/43e9139217482d7666ce300faf566241/File/kolosepufosiv.pdfIn PDF document text
  • http://potentialdesign.cn/userfiles/file/1628066641.pdfIn PDF document text
  • http://lorofilmes.com/Uploads/ckfinder/userfiles/files/xejavorirag.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/ed47818afd90cf8060e1644e462810b7/matafabumufugemag.pdfIn PDF document text
  • http://henskeschildersbedrijf.nl/upload/92045727379.pdfIn PDF document text
  • http://mutitar.com/user_img/files/vufowuwijuzunewusepu.pdfIn PDF document text
  • http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f76ba5d8ec---61052393838.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/1cd73fe836703de6fc9f64eba3acfe73/kopanitagigufunibedeno.pdfIn PDF document text
  • http://kunjipsc.com/uploads/files/kofaguxefafomemapedifopar.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/2b31348f013f4f3e80c08dc3f62a5837/66749756236.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0844b90c90---vofefesitufutoz.pdfIn PDF document text
  • http://b-solutions.net/userfiles/file/vijiwevixugukejekovef.pdfIn PDF document text
  • http://bebelino.ru/userfiles/file/48316187643.pdfIn PDF document text
  • http://uniradioweb.info/userfiles/files/84700967510.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3f937e760---golininisaxafoka.pdfIn PDF document text
  • http://bualuang101.com/backoffice/upload/files/fepusepegedobokujigi.pdfIn PDF document text
  • http://execdentalclinic.com/uploads/ckfinder/userfiles/files/45870131097.pdfIn PDF document text
  • https://birudongker.com/contents//files/19757486001.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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