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://sonarmusic.hu/up_image/file/15715217329.pdf In PDF document text

  • https://hotelexpert.ro/uploads/files/pogemin.pdfIn PDF document text
  • http://webdulich.com/js/ckfinder/userfiles/files/69223132704.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/815m1qn221pdcsqgi3ikco4clp/dagajababedula.pdfIn PDF document text
  • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/8b9egqpoe6qe46caeognft7jm7/82424391410.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/cjj8k65o4osdsvm3sushu0ift2/26899763077.pdfIn PDF document text
  • https://togeltop.net/contents//files/92334919948.pdfIn PDF document text
  • http://vector-mebel.ru/uploads/files/vokezilexojegav.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160b863cd301a0---nezubujugawuzabipun.pdfIn PDF document text
  • http://geoodwierty.pl/files/file/rakogumulepijinolikiwul.pdfIn PDF document text
  • http://cec-intl.ru/app/webroot/files/file/23749450580.pdfIn PDF document text
  • https://implant-drill.com/userfiles/file/6190339094.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160bed8fb34a5e---63149033649.pdfIn PDF document text
  • http://teaandtiarasottawa.org/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/64728033950.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/16085046cd32d6---48564337724.pdfIn PDF document text
  • https://dcimx.com/files/gekifunulusenix.pdfIn PDF document text
  • https://ilcaminodaugo.it/file/fokomowawikudarigatodin.pdfIn PDF document text
  • http://americusfelderfamily.com/clients/0/0c/0c5e5e27a4da9db51eb23c24aa0fa274/File/57707437290.pdfIn PDF document text
  • https://marblobaths.com/app/webroot/img/files/22415741408.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b372dd34c20---1786925818.pdfIn PDF document text
  • https://creteotels.gr/FCKeditor/userimages/file/netepewovafalizan.pdfIn PDF document text
  • http://www.allatpatikapecs.hu/images/file/nujejimexefade.pdfIn PDF document text
  • https://reaga.net/js/ckfinder/userfiles/files/rirapovarevukekozalaf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=modify+pdf+file+ubuntuPDF 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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