Malicious PDF — malware analysis report

Heuristics 6

• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• 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 http://proxima-design.cz/files/file/sevamekulebawolimitawug.pdf In PDF document text

  • https://feniks9.ru/ckfinder/userfiles/files/lupel.pdfIn PDF document text
  • https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/939248e40241979a707901c866e5c971/10726419818.pdfIn PDF document text
  • http://narcisse.sk/editor_uploads/files/nudep.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073d79e53afd---98467600905.pdfIn PDF document text
  • http://klimagra.pl/images/wysiwyg_img/file/titizatuwimapigogoti.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160770d85e3b23---53432256031.pdfIn PDF document text
  • https://dalnoboy.com/data/filestorage/upload/files/57692782885.pdfIn PDF document text
  • https://alarrabnews.com/images/content/content/file/sumotikazixatemataviluki.pdfIn PDF document text
  • http://alarcon-v.com/editor_upload_image/file/50570511998.pdfIn PDF document text
  • http://zerosquareonline.com/file/13809372796.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160f08c849c606---51874147080.pdfIn PDF document text
  • http://pwr-tech.ru/userfiles/file/munusukemalabuxevexot.pdfIn PDF document text
  • http://teaandtiarasottawa.org/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/dututiveterumakiviju.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc593e9c36---96385995777.pdfIn PDF document text
  • https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/avkvj51v694l5v0rk3f31bvbt2/86913028593.pdfIn PDF document text
  • http://akademia-jedenastka.pl/zdjecia/fck/file/limizuru.pdfIn PDF document text
  • http://alisawedding.com/upload/users/files/popukabadiludibewanofibeb.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/3681qtk3iu37ggj45l5aaeqv16/kigadawopi.pdfIn PDF document text
  • http://www.contectrade.hu/fckfiles/file/tilamamepupakoli.pdfIn PDF document text
  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/ljo8b26g5qt09n5qcb0feet8ic/vuboruzifujopokifozisan.pdfIn PDF document text
  • http://shengnabei.com/uploadfile/file///2021070217552443.pdfIn PDF document text
  • http://bahattinburyan.com/userfiles/file/moxari.pdfIn PDF document text
  • https://bdsvieclam.com/upload/files/14617748921.pdfIn PDF document text
  • http://entiambalaj.com/upload/file/81655783229.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+know+facebook+profile+visitors+listPDF 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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