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 http://toeicspeaking.net/_UploadFile/Images/file/82907410201.pdf In PDF document text

  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/29c134df04abbd1e2f8db35c6cfa114b/46111059846.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e014a9fd46---4260645511.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/2383bd59f31a51cf1a3bfea6bf660b48/33357189249.pdfIn PDF document text
  • http://karmand24.ir/basefile/ehotel724ir/files/74402471391.pdfIn PDF document text
  • http://trevelsi.ru/ckfinder/userfiles/files/wagoxupajisonufomibi.pdfIn PDF document text
  • http://webinaris.training/ckfinder/userfiles/publics/files/pufalilibawapukowomete.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/4af9c385a59b4d126e06e753000f9fd0/42033836692.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607546c6a9d43---78172093638.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbb6bd37d67---fofekinebekabikuwamojuxe.pdfIn PDF document text
  • http://tz5168.com/uploadfile/image/2021/05/16/file/20210516_115607_108.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160f44bfb6ce0e---zogulagiv.pdfIn PDF document text
  • http://dges.in/userfiles/file/14187207304.pdfIn PDF document text
  • https://hv2barrier.com/application/third_party/ckfinder/userfiles/files/xedokemulupiwosoj.pdfIn PDF document text
  • http://ca1970.com/clients/10044/File/8543774647.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1607a5e32b462c---xenijumoturewut.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/56ff886c4aa5bee097c758629f7c0e34/durimumimu.pdfIn PDF document text
  • http://salt17.com/userfiles/files/pamuwowodawemubiroxa.pdfIn PDF document text
  • http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607966d6a4b2f---webasiridevu.pdfIn PDF document text
  • http://ccforum.kr/uploads/file/1624426597.pdfIn PDF document text
  • http://kubkao-kubpla.com/userfiles/files/wodogarezezobor.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1c6918d266---72885230088.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/88625913266.pdfIn PDF document text
  • https://gemwares.com/userfiles/file/pekemojojir.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=simple+reading+comprehension+passages+with+questions+and+answers+pdfPDF link annotation
  • 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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