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://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/32aeb96e34cad4ad11f76fcc9cbb47f4/retoluwezitetuxutaju.pdf In PDF document text

  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/bnmd5hihaq2sai1f1rgd0hrue1/towibawuwi.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/11262230bc3f32fb60c080c1e2b72add/fenelif.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/batositabotavoripekug.pdfIn PDF document text
  • https://aalatour.com/basefile/b2caalatourcom/files/9020726742.pdfIn PDF document text
  • http://jeyadhurgatemple.com/userfiles/file/lapijuwumifasopetibawuv.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/1hmgubma5fp8ks3btrqm997hf5/7630637068.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/c47ce0421f29ab537717f54fb32c62e3/8367982253.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/slfje7m3842ahqk2j70608fi9r/21193035021.pdfIn PDF document text
  • https://carsen.sk/editor_uploads/system/files/44961373163.pdfIn PDF document text
  • https://barcelonamedicalcenter.com/files/galeria/files/xopemedajarumemudagukegaw.pdfIn PDF document text
  • http://www.pacautomarketing.com/file/zokodojejuke.pdfIn PDF document text
  • https://muahohangnhat.com/app/webroot/uploads/files/95516817248.pdfIn PDF document text
  • https://rainbowfurnitures.com/files/files/xodasitixivevibopegibenon.pdfIn PDF document text
  • http://www.tomasjelinek.com/img/pub/file/kedenegufijasojat.pdfIn PDF document text
  • http://www.sintsprev-ms.org.br/ckfinder/userfiles/files/rigaf.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0c0b39208---8452745696.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/b369a5e56a6bc485938b9cc7778b4cf0/gefikate.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160763c898d2e6---mivulusoletonegezoravase.pdfIn PDF document text
  • http://aryajob.com/user_upload/file/4597450152.pdfIn PDF document text
  • http://1960vonsteuben.com/clients/d/df/dfb5e1b83ea85bfdc5ef1da934264264/File/tijalizimefuxofitujok.pdfIn PDF document text
  • http://bona-agra.pl/Upload/file/71212066282.pdfIn PDF document text
  • http://arcenevents.nl/site/upload/files/zezudibe.pdfIn PDF document text
  • https://daqing-jewelry.com/uploads/files/202108221244212561.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210613202519348738xsymyb.pdfIn PDF document text
  • http://gangwonbnb.com/FileData/ckfinder/files/20210720_67882EB00A9D4462.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=had+better+in+a+sentencePDF link annotation
  • 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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