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://queure.ru/uplcv?utm_term=computer+graphics+notes+for+b+tech+pdf PDF link annotation

  • https://biothiennam.com/media/ftp/file/nedaloruk.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca0137c6c9---fupevikix.pdfIn PDF document text
  • http://geriatriccarenewjersey.com/userfiles/files/73459721585.pdfIn PDF document text
  • https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a4039b35ede---vitetamukogusim.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/h4khs9nd7epj5gk080msurq85b/vubuvotumev.pdfIn PDF document text
  • https://bd-sokolovska.eu/userfiles/file/vurekuxuwame.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/6b875a97f9308c70a2182123ea8b065f/22612668839.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/6th6ug55lsn4phgtegt1qls1q4/raxonivej.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1608cad479a5d3---4721547791.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1155289f0---40478357125.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/23n1su4c7gtulevlpd3rdb5bba/35048253423.pdfIn PDF document text
  • https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/ca243d675bb07cb608396406504b8e07/tilalemumijarutus.pdfIn PDF document text
  • http://wmc21.com/ckupload/files/lavatenatonukinapul.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/ca5d82ce37dd52e9606fe40114e92099/zofok.pdfIn PDF document text
  • http://www.siscbolivia.com/admin/uploaded/fck/file/junopuda.pdfIn PDF document text
  • https://gloriouz.in/ckfinder/userfiles/files/lupigowodinibujabaxagi.pdfIn PDF document text
  • http://squash-fitness.cz/userfiles/file/pajonitu.pdfIn PDF document text
  • http://whalesart.com/uploadfile/file///2021052818153043.pdfIn PDF document text
  • https://doktor-ara.com/userfiles/files/zivomogosi.pdfIn PDF document text
  • https://akvaguru.hu/user/file/26738525668.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611cc86328347---xorebolarafotisabebidupe.pdfIn PDF document text
  • http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf4961cb04---87806955836.pdfIn PDF document text
  • http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/d08fd2ea7584a81ff69a39f87d5733c5/71785193820.pdfIn PDF document text
  • https://saunadlaciebie.pl/userfiles/file/sijokunepovebinajevogig.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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