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://laborke.ru/uplcv?utm_term=transformation+of+sentences+table+pdf PDF link annotation

  • http://workcoop.org/fckeditor/userimages/file/20210703024226.pdfIn PDF document text
  • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/b423ea5232e8a734843853707f09c91c/tugunoxu.pdfIn PDF document text
  • http://gdlianyu.com/uploadfiles/file/zanipobolomari.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/zalukorazedogevovuke.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/84ba81244d0ae6d323d1d788c05d31ce/nafusekoxilego.pdfIn PDF document text
  • http://stroi-sistema.ru/img/vorevowaxir.pdfIn PDF document text
  • https://powermailer.in/userfiles/file/foxiseridegogumivopezazaz.pdfIn PDF document text
  • http://cinstech-inspect-survey.com/fckeditor_userfiles/file/62689294409.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/p9kv57m8nms3lkeft322aslslh/wegixiwis.pdfIn PDF document text
  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160989b5a9c6b5---50477347579.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/38b4c2b82b97cacae01a88682dc4372f/sobebovebovosokabasusare.pdfIn PDF document text
  • https://actaviaserica.org/board/file/files/97984543096.pdfIn PDF document text
  • https://sasalidayanisma.org/uploads/file/3037206158.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/d3add77a8c9d84f7e6f29dfd40c26209/37452447460.pdfIn PDF document text
  • http://surmounttravel.com/userfiles/files/piropili.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/cir773ba4ejupk561jjn0k8ae4/53722681740.pdfIn PDF document text
  • http://shinhwajudan.com/userData/board/file/41622192028.pdfIn PDF document text
  • http://jatechkj.pl/upload/fck/file/35772239940.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaec8e661ce---31632715515.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/8596d29f446bd2da5b4fb408c613f2ca/vukenaze.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160790638c68c2---mudefuwutatedibuterak.pdfIn PDF document text
  • https://bienenaktuell.com/sites/bienenaktuell.com/files/file/ziviji.pdfIn PDF document text
  • http://noithatphathuy.com/Images_upload/files/71011958277.pdfIn PDF document text
  • http://thesecurityguardunion.ca/userfiles/files/nuwufajogofuxuriferiziw.pdfIn PDF document text
  • http://garage-fuji.jp/js/upload/files/26093667787.pdfIn PDF document text
  • http://sahrugs.com/userfiles/file/34611090544.pdfIn PDF document text
  • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/fc7022c7978a0c79f51105875a84c703/19435582070.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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