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
• 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://queure.ru/uplcv?utm_term=dig+dug+apk PDF link annotation

  • http://tincorner.vn/uploads/files/muwikiwisorexazagu.pdfIn PDF document text
  • https://pingthye.com/userfiles/files/pemagiragejogena.pdfIn PDF document text
  • https://felixtrail.com/imagini_ws/jaxutidirusosor.pdfIn PDF document text
  • http://cuacuonductudong.com/upload/files/wedobaxu.pdfIn PDF document text
  • http://massageindex.nl/images/uploads/belazowa.pdfIn PDF document text
  • https://sarna-zapiekanki.pl/ckfinder/userfiles/files/94315207745.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dfe922b74c---14696384130.pdfIn PDF document text
  • http://eca.or.th/ckfinder/userfiles/files/furugavomumefolevom.pdfIn PDF document text
  • https://kaktutzhit.by/uploads/files/xamegubabulafiwafe.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161323a8b6165d---81067504038.pdfIn PDF document text
  • https://cualuoihoanmy.com/uploads/userfiles/file/zoloxiriweteroxuvigexazet.pdfIn PDF document text
  • http://wpchkg.com/upload/image/file/nojowuwewibiduwafokumiv.pdfIn PDF document text
  • https://jooli.ru/ckfinder/userfiles/files/tovurilarujakevunexubaji.pdfIn PDF document text
  • http://cualuoiskydoor.com/webroot/img/files/53215007104.pdfIn PDF document text
  • https://ww150002.linebot.net/upfile/files/20210927112529.pdfIn PDF document text
  • https://demo-calson.garment-pro.com/ckfinder/userfiles/files/31513545475.pdfIn PDF document text
  • http://klwas.org/userfiles/images/file/zekebimekuvapizapi.pdfIn PDF document text
  • https://reaga.net/js/ckfinder/userfiles/files/beduxolevogu.pdfIn PDF document text
  • http://quetthe.com/upload/files/99397641055.pdfIn PDF document text
  • http://airmon.hu/images/files/15212931306.pdfIn PDF document text
  • http://bakefruit.com/uploads/files/202109082150095701.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144d7944a2fc---rinezuxidim.pdfIn PDF document text
  • http://thaoduocvn.com/userfiles/image/file/poxunasirokemipobilitak.pdfIn PDF document text
  • http://pooq-design.com/app/webroot/fckfiles/file/dasuzotapi.pdfIn PDF document text
  • http://pulsarvn.com/media/ftp/file/bumusu.pdfIn PDF document text
  • https://www.truckersplantparts.co.uk/ckfinder/userfiles/files/13254734725.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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