Malicious PDF — malware analysis report

Heuristics 9

• 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 1 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://infrive.ru/uplcv?utm_term=pixel+experience+mi+a3 PDF link annotation

  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/7f2d09cf65cb1688c102c979f93f5a57/81313758586.pdfIn PDF document text
  • http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef58d3960b---31837572335.pdfPDF link annotation
  • https://kcharp.com/ckfinder/userfiles/files/fufewexonokoxekifemexe.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/fbd0f0c0a0a35fc883eba92d8feb199d/faliwewaw.pdfIn PDF document text
  • http://gz-theoutfit.com/UploadFiles/FCKeditor/20210924144931.pdfIn PDF document text
  • https://tort-art.ru/userfiles/file/sujaninemebodofufubiled.pdfIn PDF document text
  • http://myphamhelios.vn/luutru/files/gepafasojexojewewofoxa.pdfIn PDF document text
  • https://innovaciones-plasticas.com/imagenes_cont/sitio/documentos/biwekijivukijugolam.pdfIn PDF document text
  • http://propack-th.com/image/upload/File/54112553305.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/031946246336.pdfIn PDF document text
  • http://faithleader.org/js/ckfinder/userfiles/files/47760239175.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613c9c17de87e---baxulifadaromuvot.pdfIn PDF document text
  • http://h04ydivan.ru/userfiles/file/35069634555.pdfIn PDF document text
  • http://skidubravy.sk/spravca/ckfinder/userfiles/files/meruzube.pdfIn PDF document text
  • http://www.neoneofitou.com/ckfinder/userfiles/files/jisapusewubumigolalowoj.pdfIn PDF document text
  • http://lawyersmarketingusa.com/user_upload_image/file/In PDF document text
  • http://finalstage.biz/js/upload/files/vapuxufobuwewunifemav.pdfIn PDF document text
  • https://lederstuehle-shop.de/ckfinder/userfiles/files/fiwaja.pdfIn PDF document text
  • http://casaperferiesantamariagoretti.com/writable/public/userfiles/file/5575846844.pdfIn PDF document text
  • http://www.alex-vasilkov.ru/images/wisdom/file/18856421073.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/161419e6bb7cee---potuparajagitexazurowawa.pdfIn PDF document text
  • http://smingames.com/ckfinder/files/5849849231.pdfIn PDF document text
  • http://biplano.eu/userfiles/files/23359426803.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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