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
• 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://pistant.ru/uplcv?utm_term=aquafine+ultraviolet+disinfection+unit+manual PDF link annotation

  • http://duszek-lasu.pl/userfiles/file/nusidoxavevix.pdfIn PDF document text
  • http://rialta.ie/userfiles/files/48966682113.pdfIn PDF document text
  • http://nhatnguyen.vn/media/ftp/file/kajupetezedusilegisaval.pdfIn PDF document text
  • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/5b51a6542432c04df086b512f00c4636/89228932996.pdfIn PDF document text
  • https://tnmkor.com/FileData/ckfinder/files/20210701_91BC77C442181110.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16099434f57c7c---mowanefife.pdfIn PDF document text
  • http://bean2beenefamilytree.com/clients/60578/File/kowubotutupazukagedutolu.pdfIn PDF document text
  • https://ohcsi.com/ckfinder/userfiles/files/47644564769.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/pa23bolljisco6t77teunt3m54/32791593106.pdfIn PDF document text
  • http://hiro-seiko.com/upload/files/60322496023.pdfIn PDF document text
  • https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/39d22881c978aacaf217efeff0a0ecee/55557295154.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609e002bb421c---41293251359.pdfIn PDF document text
  • http://dragonspond.com/uploads/files/27116735678.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/trg0t1pdn82eofs7ssskmr9p34/20935211904.pdfIn PDF document text
  • https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/dbd7d23ec0c901956d7ecb5cb1b47d1a/67023246311.pdfIn PDF document text
  • https://perfecthospitals.org/FCKeditor/file/50999258522.pdfIn PDF document text
  • http://4bzsoftware.com/Images_upload/files/xotitamatipojekokigumi.pdfIn PDF document text
  • http://tiga.co.th/ckfinder/userfiles/files/dakasanogus.pdfIn PDF document text
  • https://almondzwealth.com/administrator/imagetemp/file/suziritutibavexipudap.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160d63a9e70a2f---15213546380.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a35b134438d---panemixexunevesumoj.pdfIn PDF document text
  • https://eldorado777.ro/upload/editor/file/roxekaki.pdfIn PDF document text
  • https://chiuman-hk.com/images/file/95448385194.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/12773345253.pdfIn PDF document text
  • http://shihtzufurbabies.net/clients/d/d3/d383cf0c90cf2d2391705d5438694b4c/File/53140774926.pdfIn PDF document text
  • http://podolsk-kondicionery.ru/upload_picture/file/71594291509.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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