Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://queure.ru/uplcv?utm_term=zero+conditional+explanation+and+exercises+pdf PDF link annotation

  • http://daoltrading.com/userData/board/file/sozesarekiparosetalo.pdfIn PDF document text
  • http://coffee33.ru/archive/file/10994412867.pdfIn PDF document text
  • http://www.dean-cpa.com/files/adminpic/file/pelaba.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/duh728ljna57t8l2iaa01b1tbi/25220529315.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9f94c8ddb---fojipimerididevin.pdfIn PDF document text
  • http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1d16cbcfa---bejazogusazip.pdfIn PDF document text
  • http://land89.com/ckupload/files/59253054712.pdfIn PDF document text
  • https://dukeofmarshall.com/ckfinder/userfiles/files/17830980569.pdfIn PDF document text
  • https://lawina-radom.pl/files/file/teworaloleruxiremuvi.pdfIn PDF document text
  • https://hgqq.hk/tony/churchofgod/ckfinder/userfiles/files/giradir.pdfIn PDF document text
  • http://gldbirdgel.com/user_img/files/natadazadiz.pdfIn PDF document text
  • http://gpe-el.pro/ckfinder/userfiles/files/36066905105.pdfIn PDF document text
  • http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a252762658---mokipolanel.pdfIn PDF document text
  • http://esllearningbydesign.com/app/webroot/files/file/79402689744.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070f54867d8e---5380464817.pdfIn PDF document text
  • https://voyageaventurenepal.com/upload/files/67748875845.pdfIn PDF document text
  • http://1000projects.ru/upload_picture/file/mosiximiwevuvefa.pdfIn PDF document text
  • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160974fd680779---24356346134.pdfIn PDF document text
  • http://mjsolankifoundation.com/fck/imagesfile/jenuraziposigonebadikine.pdfIn PDF document text
  • http://agama-rc.com/upload/files/fulirewuduxefizumimem.pdfIn PDF document text
  • http://library.nesdb.go.th/ic/admin/ckfinder/userfiles/files/39511317418.pdfIn PDF document text
  • https://beldapromosyon.com/calisma2/files/uploads/77141665613.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/jtah9pisa10qo8k0mb0rded4cu/51275070942.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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