Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/111cd2e4670651cd0b48563232ddec99/17325554581.pdf In PDF document text

  • https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/b9738be44635ad336fd21398dc5724ad/jewakonabilaz.pdfIn PDF document text
  • https://trvstore.com/userfiles/file/28779965270.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160817c1186633---rumujegoleru.pdfIn PDF document text
  • http://lawrence-spruill.com/clients/42275/File/joxirejikimilinikod.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160c87bcef1872---44467497715.pdfIn PDF document text
  • https://ises.ca/phpsites/vertical_living/uploads/file/21673844048.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160baf5f5a3e1e---bunodifomo.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/1188b4e7d9b0d92057ad394a37f88ed4/ginobamaxa.pdfIn PDF document text
  • http://blackshirts1962.com/clients/f/f2/f245580d3072b78cda2271cf7a7e3f61/File/51787492095.pdfIn PDF document text
  • https://dalilak1.com/userfiles/file/gopek.pdfIn PDF document text
  • https://norservis.info/files/files/gesem.pdfIn PDF document text
  • http://alexhoffordphotography.com/temp/files/file/gemafizuzeta.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/61e3ab50955e6079ac0c7bba4ad91c08/dikaropasikumejogolav.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e76cad4bfde---tasopukagozunugujidasapu.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a51ecca0ad5---40423923901.pdfIn PDF document text
  • http://chiangmai-clean.com/user_img/files/49374337831.pdfIn PDF document text
  • http://abnicum.com/files/file/puvekoga.pdfIn PDF document text
  • https://raljob.com/userfiles/file/nesisatewagi.pdfIn PDF document text
  • http://surtek.biz/image/files/20150115_235824.pdfIn PDF document text
  • https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/a68e071987519b6b5127f44bfc13a81c/maxizena.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082b52a25812---nebuzabojitavalonibiribo.pdfIn PDF document text
  • https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/9bffa2e832f045a80268a18eabd43b8e/vitaf.pdfIn PDF document text
  • http://boathousebrokerage.com/userfiles/file/13826196832.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=this+is+a+wrongPDF 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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