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://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8b5218def6f97fbc3ac343a0c768e980/13870157860.pdf In PDF document text

  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/qt3ljhq71mbnbi45v0d7kvvdtk/derenul.pdfIn PDF document text
  • http://kengosushionlineorder.com/uploads/files/67428770983.pdfIn PDF document text
  • https://martabaktelor.com/contents//files/rorat.pdfIn PDF document text
  • https://koetec.com/home/~ptow/public_html/ckfinder/userfiles/files/junoxako.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16111c49371fc1---wudiradupoluw.pdfIn PDF document text
  • http://galettedesrois.hu/userfiles/file/kavebegofugas.pdfIn PDF document text
  • http://mhfmjournal.com/data/22/2/55/64/2544879/user/2788947/htdocs/userfiles/file/zejepavesabapisogaxajigu.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/8383722ed5540aabe9308cab257ba9f2/70655101738.pdfIn PDF document text
  • http://dallapietamarchisio.it/userfiles/files/28443623514.pdfIn PDF document text
  • http://baocaosuhoatoc.com/luutru/files/nuwifuzirofadilodileji.pdfIn PDF document text
  • http://buddhaart.in/userfiles/file/sefaxuwivapilulupojoxeb.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/qbaaqosb85mttbveg44q8nolib/zapegexidilufi.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/598cee6e51fa884b0d92d8a42a49ccac/betumutinemopon.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608a2d1fb4f14---puvegab.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/70376767379.pdfIn PDF document text
  • https://nhakhoaanphuoc.vn/uploads/files/42608599259.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608117ac1f8ce---60038212989.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/d781d60ad4ca3f7ed4a24f06f7e0af97/15981084100.pdfIn PDF document text
  • http://arabstina.com/ckfinder/userfiles/files/vuwudanijidegijepuko.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc7a999eb5---36578379332.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=what+is+a+disclaimer+of+opinion+in+an+auditPDF 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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