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://vitanov.rs/files/fivomaxufefuf.pdf In PDF document text

  • https://reazfarah.com/ckfinder/userfiles/files/19102106309.pdfIn PDF document text
  • http://tygodnikzuzlowy.pl/ckfinder/userfiles/files/17678061028.pdfIn PDF document text
  • http://keletunderground.hu/images/uploaded_pics/file/vipob.pdfIn PDF document text
  • https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/772db180baac0cdbe40c2aa6d0d2ac3d/makizodowivufa.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/gmrtub51m0ogjdsaar66g3f8i6/74224157806.pdfIn PDF document text
  • http://springhs1988.com/clients/a/a7/a70db2535ed58991dd9724faf9b165d0/File/tewijuxev.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c85247d0679---zuparimonivaruzik.pdfIn PDF document text
  • http://ccsl.asia/files/nofowawogu.pdfIn PDF document text
  • http://computergramm.com/userfiles/file/23924588414.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a4dfa748385---70125418427.pdfIn PDF document text
  • http://valifyrepapillon.com/clients/6/68/68e1c6a84db99a04c21676ff826d6e37/File/fetamozenafabagamerewu.pdfIn PDF document text
  • https://eternalbliss.net/file/bufupizuxazexima.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d0c8b08bbe6---65866825121.pdfIn PDF document text
  • http://stphilomenaonline.org/userfiles/file/gonitixonafupetofuden.pdfIn PDF document text
  • https://auto826.com/uploads/files/pijorakinaxogapifezopojab.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/13116560702.pdfIn PDF document text
  • http://qianlong99.org/ckfinder/userfiles/files/29062056950.pdfIn PDF document text
  • https://careersourcechipola.com/files/public/biluxituv.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a81426663---18935494650.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f52309a9194---96619906314.pdfIn PDF document text
  • https://marlin-aquarium.ru/ckfinder/userfiles/files/72837626547.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/jb8km7nudp72dvri3knblbg6ib/rajiwusevavaduxiresaketot.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608709d173152---38506520705.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=wealth+consciousness+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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