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://crewmak.ru/uplcv?utm_term=rifts+spirit+west+pdf PDF link annotation

  • http://ydyb.com/filespath/files/20210910200328.pdfIn PDF document text
  • https://malayalamfoundation.org/admin/my_files/file/25852820722.pdfIn PDF document text
  • http://votejoedestefano.com/editorData/file/80679515436.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16139aa4e53fa6---dosusuvazole.pdfIn PDF document text
  • http://pb-book.com/user_file/file/kixunija.pdfIn PDF document text
  • http://lasantitosrestaurant.com/userfiles/file/63133679276.pdfIn PDF document text
  • http://carbonelite.ru/file/26728945896.pdfIn PDF document text
  • https://eclearusa.com/images/file/21116322284.pdfIn PDF document text
  • http://martonaroniskola.net/userfiles/file/vodakuzamov.pdfIn PDF document text
  • http://ntouioc.ntou.edu.tw/ckfinder/userfiles/files/palivoviwuvedijolapiv.pdfIn PDF document text
  • http://gordostcrista.ru/userfiles/file/27967177002.pdfIn PDF document text
  • http://egitara.com/upfiles/files/74516909382.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614bc5d5310c4---ziwuloxebupinuwesofozil.pdfIn PDF document text
  • http://recepti.plovdivweek.com/js/ckfinder/userfiles/files/sabuvenibutavavul.pdfIn PDF document text
  • http://studiocalcinoni.com/userfiles/files/labikijulupofada.pdfIn PDF document text
  • https://kujainspectors.com/candyticket/uploads/page_images/files/95560835834.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151c0aa9e824---21192004339.pdfIn PDF document text
  • http://sysquare.com/UserFiles/files/74361580528.pdfIn PDF document text
  • https://my-natural-style.net/upload/files/89207767398.pdfIn PDF document text
  • http://slbreakingnews.com/ckfinder/userfiles/files/titoborasu.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16138d8318034c---64077045241.pdfIn PDF document text
  • http://studiogiamberardino.it/userfiles/files/54164046239.pdfIn PDF document text
  • http://luatsugiadinhviet.com/upload/ck/files/zakujalusodizof.pdfIn PDF document text
  • http://biurod9.pl/public/userfiles/file/94297535533.pdfIn PDF document text
  • http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/xovafanunizobudobu.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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