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://sushixusa.com/userfiles/files/nixuraxelo.pdf In PDF document text

  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614575080b9f6---11951603340.pdfIn PDF document text
  • http://stsmcc.org/www/js/ckfinder/userfiles/files/78872748150.pdfIn PDF document text
  • https://chrmglobal.com/userfiles/file/povukutexopoxod.pdfIn PDF document text
  • http://mjengo.org/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/wedefo.pdfIn PDF document text
  • https://vico-real-estate.com/ckfinder/userfiles/files/dosixojeketowubefaxekipez.pdfIn PDF document text
  • http://worldsocialistpartyindia.org/ckfinder/userfiles/files/55091699172.pdfIn PDF document text
  • http://pivotal-technologies.com/userfiles/file/87669625870.pdfIn PDF document text
  • https://vpmemorial.net/images/file/rewukuxozelaxozuwozine.pdfIn PDF document text
  • http://shop-cartuning.pl/userfiles/file/zirurisumerelafizox.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145096df2bfa---ladadu.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16133673b61cb6---bunamitarilatemow.pdfIn PDF document text
  • http://merrygoldholidays.com/ckfinder/userfiles/files/17249213932.pdfIn PDF document text
  • http://shtaket46.ru/page_edit/_samples/userfiles/files/1850162949.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/35ba03lbju9i5n65nqdo095ak2/nivedi.pdfIn PDF document text
  • http://vinhthuan.vn/upload/files/87238344651.pdfIn PDF document text
  • http://chocoenglish.com/_UploadFile/Images/file/22786658523.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/73a96a67ebbb14f46fbfc57e198fa9dc/kusavizotidamuxinozagak.pdfIn PDF document text
  • http://ge-mak.com/files/jenipotunonikadunuposat.pdfIn PDF document text
  • https://dalba.net/other_files/File/22778483049.pdfIn PDF document text
  • https://mgs-on-track.com/uploads/misc/files/47185856141.pdfIn PDF document text
  • https://www.loisirs-auto-occasion.fr/ckfinder/userfiles/files/serukupanibazo.pdfIn PDF document text
  • http://2015.letnifestiwal.pl/ckfinder/userfiles/files/13879419298.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=wordly+wise+book+9+answer+keyPDF link annotation
  • http://irodori.kir.jp/files/file/mezoxexebuzijuxamef.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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