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://archism.ru/uplcv?utm_term=how+to+setup+my+yahoo+email+on+my+android+phone PDF link annotation

  • http://kovacsoltvaskerites.hu/images/file/lesewipugirudimesuvo.pdfIn PDF document text
  • http://uts.edu.co/portal/app/ckfinder/userfiles/files/wefiloju.pdfIn PDF document text
  • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/0d5be2d39ef46b94ea10faaa3a42d5ed/bisubolawewu.pdfIn PDF document text
  • http://euskararenginkana.eus/files/galeria/files/datenewovixuwi.pdfIn PDF document text
  • https://quanticabtl.com/cms_2018_quantica/sgi_userfiles/userfiles/files/pesipipadowesuxesupodag.pdfIn PDF document text
  • http://pevak.info/UserFiles/File/madexinebapelesiluvezabad.pdfIn PDF document text
  • http://kondicionery-dolgoprudny.ru/upload_picture/file/71719462968.pdfIn PDF document text
  • http://villaelen.it/userfiles/files/71407478144.pdfIn PDF document text
  • http://astorandblack.net/emailer/userfiles/file/57984076174.pdfIn PDF document text
  • http://www.llmhospital.com/www/js/ckfinder/userfiles/files/rikikinapuwuwufepilopeliv.pdfIn PDF document text
  • https://www.la-melodie-des-saveurs.fr/ckfinder/userfiles/files/duvejoxuvoduloxerexapudo.pdfIn PDF document text
  • http://cupta.org/userfiles/files/20210905184642.pdfIn PDF document text
  • http://lblussana.it/images/file/99272711982.pdfIn PDF document text
  • http://tutaylamhet.com/storage/ckfinder/files/69911208484.pdfIn PDF document text
  • https://madhubanindiancuisine.com/nbloom/fckuploads/file/juvolisatafa.pdfIn PDF document text
  • http://factorycontrolprojects.com/userfiles/file/zakolozakezop.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/feed4a00e03d9381e3887f3c4a5b0c90/49702825126.pdfIn PDF document text
  • https://aprilboya.com/userfiles/file/67030325867.pdfIn PDF document text
  • https://pasarangroup1.com/contents/files/webufolojeze.pdfIn PDF document text
  • https://ice-group.pl/userfiles/file/tonorunokudutekugo.pdfIn PDF document text
  • http://fusheng-vietnam.vn/admin/webroot/upload/image/files/bodapopu.pdfIn PDF document text
  • https://nothingbutsafetyglasses.com/userfiles/file/fepurufuxelu.pdfIn PDF document text
  • http://makesrealsense.com/ckfinder/userfiles/files/jetiwusogibe.pdfIn PDF document text
  • http://branonperformance.com/ckfinder/userfiles/files/80931661387.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/b662fd434fe599104122789b4954c9ae/gakipurojuxub.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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