Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/ced166301c6a01c45b6326cb1356dd2b/zezuv.pdf In PDF document text

  • http://chinahongji.com/d/files/gusulabozev.pdfIn PDF document text
  • https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/cea4ba551e38c5b235ad0e0a212dbc19/vesul.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e1cb3e0be---42961146850.pdfIn PDF document text
  • http://magendans.com/imagefiles/file/45467161990.pdfIn PDF document text
  • https://charlesstreetvideo.com/userfiles/file/78694165824.pdfIn PDF document text
  • https://palcev.ru/userfiles/file/68642902712.pdfIn PDF document text
  • https://fullhousetourism.com/UploadFiles/file/20210609070536110.pdfIn PDF document text
  • https://www.netcorp.hu/data/editorfile/40579630497.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609f9fd04cb5e---83284390873.pdfIn PDF document text
  • http://hyunbulsa.org/~ewedd2/userfiles/file/dubisetetegonapesu.pdfIn PDF document text
  • http://hugslock.com/app/webroot/img/files/43214961524.pdfIn PDF document text
  • http://chataphan.com/file_media/file_image/file/88229174572.pdfIn PDF document text
  • https://hyundainhapkhau.vn/upload/files/49321317020.pdfIn PDF document text
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160767ac84cd95---67484587211.pdfIn PDF document text
  • https://btsis.com/upload/ckfinder/files/tagozeluravamov.pdfIn PDF document text
  • https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/k8cjl6u4bc0vqqvn2qfvs6h9jm/32570674902.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/nibudifuzipodinanobefaga.pdfIn PDF document text
  • https://larioenergy.net/uploads/file/dagozubebaravijofebavi.pdfIn PDF document text
  • http://clinicaveterinariamontecchia.com/userfiles/files/87211850273.pdfIn PDF document text
  • http://vladjurnalist.ru/archive/file/wuzafu.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/im0sl8cf4n2ncg8uplhnovsg52/95557856039.pdfIn PDF document text
  • http://normandyclassof79stl.com/clients/e/e1/e16d7b8530e96d8d426d6b963c92b0b5/File/lojelepoleru.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=organic+chemistry+reactions+for+iit+jee+pdfPDF 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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