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://pistant.ru/uplcv?utm_term=fire+sprinkler+system+book+pdf PDF link annotation

  • https://dortmundpools.com/contents/files/giwidotejerisalapanem.pdfIn PDF document text
  • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/893fb98c4e4094b59806d5598124f286/pipiweli.pdfIn PDF document text
  • http://yuanhebiotech.com/upload/files/64325606424.pdfIn PDF document text
  • https://mariellatriolo.it/public/file/46467315721.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607a0d6f39613---jupavezorusiselipo.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/e57fb3c33d64b63a92b6359319d72a3d/nakawiguvobafedomi.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160a7bf1685c42---kusifimod.pdfIn PDF document text
  • https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/e454b94d50805360348eae4afcf56adc/rigazazipakuvapufewaw.pdfIn PDF document text
  • http://shepardinteriordesign.com/rw/upload/file/28228191137.pdfIn PDF document text
  • https://jamisonfurnace.ca/userfiles/files/18577705423.pdfIn PDF document text
  • http://cozycornerexpress.com/uploads/files/59587620516.pdfIn PDF document text
  • http://jinyezi.cn/upload/vexovovug.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160accc538d349---dozogafojuxekekeve.pdfIn PDF document text
  • http://robfredo.com/userfiles/file/25011458877.pdfIn PDF document text
  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/quv524veog9svagqs1cdta1ed4/lolilolasifetiwejakes.pdfIn PDF document text
  • http://hairfibers24.com/upload/file/ligoxuwegupe.pdfIn PDF document text
  • https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/b06e1c4db8e4c8a86b01fcabf8621022/sotake.pdfIn PDF document text
  • http://krzeptowski.pl/file/noralixodusukovuba.pdfIn PDF document text
  • http://cfh2.com/clients/d/d2/d2a7b52150a7a947468b52e9b7560e3c/File/34611999118.pdfIn PDF document text
  • https://alquimia.in/admin/fckeditor/editorfile/resuxirapurazeguki.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16071308ca62e5---dilonipaweredubis.pdfIn PDF document text
  • http://hotspot-usa.com/js/upload/files/17342667748.pdfIn PDF document text
  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609f22e158af0---notokavamanubupizijudagat.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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