Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://huntic.ru/uplcv?utm_term=qr+scanner+app+apk PDF link annotation

  • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/e0727abea1422a04568be1c6f99af14a/bexozudijadapujedo.pdfIn PDF document text
  • http://tropo-design.com/ckfinder/userfiles/files/bewugoragudilusipexu.pdfIn PDF document text
  • https://martas.vodrsport.cz/uploads/files/ziwavovirux.pdfIn PDF document text
  • http://55pluscommunityspecialist.com/userfiles/files/24669660304.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16131b2ec49906---72726998645.pdfIn PDF document text
  • http://fujavietnam.com/images/Download/43753948324.pdfIn PDF document text
  • http://hamdannepal.com/userfiles/file/3198996500.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16141d8309d5bb---danitir.pdfIn PDF document text
  • https://pmcp-avac.com/files/upload-ckfinder/files/10514669769.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130f671a3595---34176534057.pdfIn PDF document text
  • https://baxsporthorses.com/userfiles/file/7705000936.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/d647b312e83f20373965dafa98ce8757/pakomiwu.pdfIn PDF document text
  • https://sakura-bashi.com/uploads/files/202109090403571442.pdfIn PDF document text
  • https://hophamthaibinh.com/upload/files/5512084032.pdfIn PDF document text
  • https://viadagio.be/userfiles/file/40879568102.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/nemurobuv.pdfIn PDF document text
  • https://gotoko.com/cmsv2/upload/files/bidazuzeperoxinesanisumi.pdfIn PDF document text
  • http://www.dilipprabhavalkar.com/images/file/58805824824.pdfIn PDF document text
  • http://soleilboo.com/images/uploads/files/17747952337.pdfIn PDF document text
  • https://pre-www.bridge-college.com/uploaded/ckeditor/files/92026832278.pdfIn PDF document text
  • http://vuoncotichdep.com/upload/files/55220142694.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161430be8be601---nolafuvunuxiwegefitozu.pdfIn PDF document text
  • http://snieznik.pl/userfiles/file/56039823463.pdfIn PDF document text
  • http://perfecturology.cafe24.com/upload/editor/imagefile/fiwajosem.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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