Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://cructi.ru/uplcv?utm_term=website+with+math+textbook+answers PDF link annotation

  • https://dootion.com/data/attachment/file/13359893534.pdfIn PDF document text
  • http://dayou.tw/uploadpic/files/202109290446021911.pdfIn PDF document text
  • https://flims.atelierleuthold.ch/userfiles/files/54098365836.pdfIn PDF document text
  • http://ablerexthailand.com/userfiles/files/velekofegawep.pdfIn PDF document text
  • http://moscowprice.com/content/xuploadimages/file/kapamarilapajosugad.pdfIn PDF document text
  • http://vtaky.sk/media/file/17748689648.pdfIn PDF document text
  • https://aceold.lrsinc.co/userfiles/file/sesuluxizex.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141be98ab4c3---57731256129.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c86dd66c46---72586279014.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135cbac31b32---tejirekan.pdfIn PDF document text
  • http://website-design-company.in/dev3/damodar/ckfinder/core/connector/php/userfiles/files/simawum.pdfIn PDF document text
  • http://www.sm.ac.th/ckfinder/userfiles/files/37504872415.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bfcc90734e---nuseximazapidezibax.pdfIn PDF document text
  • http://shijijiaming.net/filespath/files/20210921155413.pdfIn PDF document text
  • https://alpinismbihor.ro/app/webroot/files/userfiles/files/68037393650.pdfIn PDF document text
  • https://12shio2.com/contents/files/vagevowasivikezojoravagud.pdfIn PDF document text
  • http://zjbfjt.com/upload/files/74418873623.pdfIn PDF document text
  • https://cornwallstaffagency.com/userfiles/file/junuwe.pdfIn PDF document text
  • http://studiotecnicolamanna.com/userfiles/files/58633276884.pdfIn PDF document text
  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/161416944e95ad---kebebemelom.pdfIn PDF document text
  • http://pnlestari.com/visitbali/image/files/waxulivudapubelilowabul.pdfIn PDF document text
  • http://turnyras.lt/Files/file/20479429514.pdfIn PDF document text
  • https://ckv-siemreap.org/ckfinder/userfiles/files/89844839447.pdfIn PDF document text
  • http://uptownfallschurch.com/uploads/files/9186724107.pdfIn PDF document text
  • https://speedwayinfo.hu/uploads/file/35740024417.pdfIn PDF document text
  • http://tsutae-f.com/js/upload/files/zugebe.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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