Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://queure.ru/uplcv?utm_term=reels+likes+increase PDF link annotation

  • https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/didegidusatobeduludafaf.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2c9a5c4da833993e0449598261f19ef1/runibujomo.pdfIn PDF document text
  • http://chinawin-consult.com/userfiles/kulipovajepeb.pdfIn PDF document text
  • http://jncs.kr/page_data/file/20210910012527.pdfIn PDF document text
  • http://dogoducthien.com/uploads/files/67328126000.pdfIn PDF document text
  • https://idosekotthonaveresegyhaz.hu/files/files/vipofubefudutajuk.pdfIn PDF document text
  • http://akwarella.pl/user_uploads/file/jeneruzijosum.pdfIn PDF document text
  • http://svatba-emi.com/uploads/pages/files/tixovisorafexiwavutofi.pdfIn PDF document text
  • http://abbeloosschinkels.be/userfiles/file/42214680442.pdfIn PDF document text
  • http://blossomtour.net/FileData/ckfinder/files/20210908_3B46D0880F3AA55B.pdfIn PDF document text
  • https://iuoshili.com/upload/users/files/nujakifuwewaluko.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161405de306e9d---10076302077.pdfIn PDF document text
  • https://davidfauquemberg.com/home/fauquemb/david/bbdg_site/userfiles/file/65613684922.pdfIn PDF document text
  • http://3e-recycling.ru/app/webroot/filesfiles/popenajikomujakefivuloko.pdfIn PDF document text
  • http://etre-belle.su/images/file/75799959451.pdfIn PDF document text
  • http://sellmysayarah.com/userfiles/files/vokinasiximubajeduni.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/dd547345e957d1aed97f8481b90e77c5/pobuzuvebezuwuwo.pdfIn PDF document text
  • http://xn--b1akwe.xn--p1ai/userfiles/file/91347229098.pdfIn PDF document text
  • https://technoarc.net/userfiles/file/84457167604.pdfIn PDF document text
  • https://www.pollackmihalyiskola.hu/ckfinder/userfiles/files/94768395190.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141102a73452---68870514095.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/161411efe12058---goxadodi.pdfIn PDF document text
  • https://fallahi-sch.com/userfiles/file/jujegoroleroduxogoxivo.pdfIn PDF document text
  • http://hyswimpool.com/userfiles/jasevanisewese.pdfIn PDF document text
  • http://sensitiva.fi/UserFiles/File/bogidifoxaxopog.pdfIn PDF document text
  • http://elskup.pl/images/assets/file/73193306976.pdfIn PDF document text
  • https://stoneappeal.in/FCKeditor/file/20135982894.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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