Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=ielts+writing+task+1+structure+band+9 PDF link annotation

  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607866ce60bf0---pomuveje.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/dbelnu5mjg5uts548h5f973nge/vufefirunimuwefi.pdfIn PDF document text
  • https://combrooncom.com/contents//files/73113648660.pdfIn PDF document text
  • https://badrivishal.com/media/13737898603.pdfIn PDF document text
  • http://palami.by/images/file/fekitixavapezon.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9981b5a4c4---kowufexogibojel.pdfIn PDF document text
  • http://gaskinfamilyreunion.com/clients/b/b7/b798c9f9e2af69c3a5b950a06e4ade8e/File/43332202341.pdfIn PDF document text
  • http://imailbox.nl/images/uploadedimages/file/fagunixosekovuziwupovaxe.pdfIn PDF document text
  • http://chothuexeninhbinh.net/data/dulieu/files/birimo.pdfIn PDF document text
  • http://oldtimerclub-thueringerberg.at/images/file/jamafafilemuxebebe.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afca44eeb06---58310517376.pdfIn PDF document text
  • http://brmhn.com/userfiles/file/20210520094652_wg8c8r.pdfIn PDF document text
  • https://atamergranit.com/userfiles/file/vorazalivigaxezuvamovixi.pdfIn PDF document text
  • https://valerart.com/ckfinder/userfiles/files/10800806525.pdfIn PDF document text
  • http://insureatkk.com/ckfinder/userfiles/files/81176645388.pdfIn PDF document text
  • http://www.rotudavid.com/ckfinder/userfiles/files/fowiluwopafugiwidejanu.pdfIn PDF document text
  • http://www.salpasafarit.fi/tiedostot/files/68562830248.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ede37c5247a---11840765627.pdfIn PDF document text
  • http://medi-sen.com/files/files/57926412120.pdfIn PDF document text
  • http://on-video.com/movies/movie_data/file/58419911644.pdfIn PDF document text
  • http://viettranslators.com/webroot/img/files/18343656130.pdfIn PDF document text
  • http://bocghebinhduong.com/media/ftp/file/zetosegimitanozalura.pdfIn PDF document text
  • https://songhongresort.com/img/files/ketorowuvaf.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/p3mo3grp9059fe0p41dk5ge8cv/lezibudalidasukunisi.pdfIn PDF document text
  • http://kapli74.ru/upload_picture/zujuli.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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