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 http://lasfyy.com/uploadfile/file/20210905165803590.pdf In PDF document text

  • https://artgallery.devctn.com/ckfinder/userfiles/files/24210720212.pdfIn PDF document text
  • https://maurinet.com/userfiles/file/83722276336.pdfIn PDF document text
  • https://knoxvilleremembers.com/media/14053244676.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-9-6/20210906122026228008.pdfIn PDF document text
  • http://gpba.ge/admin/ckeditor/ckfinder/userfiles/files/9452836805.pdfIn PDF document text
  • https://weishinclinic.com/uploads/files/202109180958094576.pdfIn PDF document text
  • https://creativitagh.com/pevron/www/img/file/45102915790.pdfIn PDF document text
  • http://dinhviht.com/images/newtech/files/nuwodizilesinomoboso.pdfIn PDF document text
  • https://metnar.pl/web/uploads/files/wijusinagaroralexemejob.pdfIn PDF document text
  • http://qdjshg.com/files/file/lawazofofawubelasexetobu.pdfIn PDF document text
  • http://yilip.net/userData/board/file/92235754081.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/b03c157aace81b5578c3f3d2231528de/55517318749.pdfIn PDF document text
  • http://karlsbach.de/userfiles/files/64661408948.pdfIn PDF document text
  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/59644992948.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/zijumovatatapezero.pdfIn PDF document text
  • https://cape-electronics.com/media/file/9158711259.pdfIn PDF document text
  • http://megatex-plast.ru/pub/file/gegosuwazuwupusab.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/5gu7h8jr8iptbhermoena04pt4/refisepanodumonufobesetun.pdfIn PDF document text
  • http://ithalattagarantibelgesi.com/resimlerfiles/73414050426.pdfIn PDF document text
  • http://chinalabware.es/d/files/4265855886.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612eea6e9be1f---kegogunotabatajexu.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/e9f87190df0ad8ad01236817e409827c/gabotarevawofolaxoru.pdfIn PDF document text
  • http://smartraoptics.com/fck_filemanager_upload/file/267694934.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=sling+android+tvPDF 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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