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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 1 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://pistant.ru/uplcv?utm_term=the+mindful+way+through+depression+free+pdf PDF link annotation

  • http://land89.com/ckupload/files/73806428590.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16134401c69c6e---40421260965.pdfIn PDF document text
  • http://hanyangsteel.com/files/fckeditor/file/18409733661342caa6121e.pdfIn PDF document text
  • http://aftp.bg/userfiles/file/fagimasowelipovebiriboto.pdfIn PDF document text
  • http://cnmrobotics.com/files/files/44663606225.pdfIn PDF document text
  • http://faradtvandor.hu/picture/userfiles/file/kofezusul.pdfIn PDF document text
  • http://martonelektro.hu/files/file/jovuzip.pdfIn PDF document text
  • http://xn--djr00fsyfv0o5qgy9u.net/filespath/files/20210906042148.pdfIn PDF document text
  • https://ataru.site/js/ckfinder/userfiles/files/pejeno.pdfIn PDF document text
  • http://skontrolsengineering.com/file_media/file_image/file/figare.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/161411d3b15685---26913050558.pdfIn PDF document text
  • https://ddtoyz.com/ckfinder/userfiles/files/zajelopivalejizirer.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/rgd1dvf81se3dj2h3kr62a7bt6/resimar.pdfIn PDF document text
  • https://mekongtransport.com/upload/userfiles/files/83385714573.pdfIn PDF document text
  • https://wrd13.com/force/file/53747853828.pdfIn PDF document text
  • https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/161f775e20960d3fc3964ef8cc9b0301/66058286473.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1614134f83c306---32822182020.pdfIn PDF document text
  • http://wonikquartz.com/upload/editor/file/1631562008.pdfIn PDF document text
  • http://dieutrimun.myphamkangnam.vn/webroot/img/files/32621298144.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16137aed1735f2---95688194516.pdfIn PDF document text
  • https://webshopplus.nl/app/webroot/files/userfiles/files/52620727344.pdfIn PDF document text
  • https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fff6bcc36c---kitisirepatuzusabimeted.pdfIn PDF document text
  • http://cpgny.com/userfiles/files/dewovo.pdfIn PDF document text
  • http://spartapr.com/images/upload/file/28512046719.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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