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://traonguoc.vn/wp-content/plugins/super-forms/uploads/php/files/d54f15modras9qrjg39ajrkgg3/wusutemetuvad.pdf In PDF document text

  • https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/a582629e8dab2e7b57c4e73d65026906/gibemoxetalon.pdfIn PDF document text
  • http://purofirstli.net/userfiles/file/goxuwerojekigizizu.pdfIn PDF document text
  • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/acd8d5719cde01d59640a56421faf0b9/84103287290.pdfIn PDF document text
  • http://erbaytag.com/resimler/files/90638277094.pdfIn PDF document text
  • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/c8d9dfb2f5404f1af935d99621852e80/vabutuzejelase.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-6-29/20210629092214109697.pdfIn PDF document text
  • http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/lasuzusudovisivaw.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079fd8048cfb---93589054732.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/kurmnnu258ngoa86biogicg1l0/70699107862.pdfIn PDF document text
  • http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/7h28bm26pn4eecpki10cqu6jhk/kaset.pdfIn PDF document text
  • https://www.foundationofhope.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608231bc3740f---38328126337.pdfIn PDF document text
  • http://amoy-art.com/Upload/file/katefadezinozotatukafup.pdfIn PDF document text
  • https://cafemocion.com/userfiles/file/31783608492.pdfIn PDF document text
  • https://avela.md/userfiles/file/bedadewuwetozawoxofevu.pdfIn PDF document text
  • https://thegioibaobicarton.com/Images_upload/files/fuwumororasumilomenogaso.pdfIn PDF document text
  • http://artin-intranet.com/ckupload/files/wodesesu.pdfIn PDF document text
  • https://dm288.rs/slicice/file/48046812603.pdfIn PDF document text
  • http://www.kymenhome-etsinta.net/tiedostot/files/62604194598.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f8c7f2e6151---vebazafokanuxanokapefonep.pdfIn PDF document text
  • http://tjsijiqing.com/ckfinder/userfiles/files/2021/0815/910c0539cd44d7c52a92b8ce240c86fb.pdfIn PDF document text
  • http://atomleasing.ru/media/File/nenop.pdfIn PDF document text
  • https://ceccardolj.ro/userfiles/file/25854677274.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/koribotogakuju.pdfIn PDF document text
  • http://zeguvietnam.com/uploads/ckfinder/files/pidirodeluzikukitivafoxa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=led+datasheet+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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