Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://pb-book.com/user_file/file/12401030057.pdf In PDF document text

  • http://kientrucnhacuagio.com/upload/files/41352881653.pdfIn PDF document text
  • http://timeyear-v.com/userfiles/file/jakiwozilevimo.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/d957e5f3b6a5406a6fb43fb8744a50be/tomefosifevofexasofeku.pdfIn PDF document text
  • https://investmentskillsgroup.com/images/userfiles/file/56338060247.pdfIn PDF document text
  • http://perilatomsk.ru/ckfinder/userfiles/files/70049553820.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3f3e63ceb---59201809331.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133b7e7f0ff7---57758809241.pdfIn PDF document text
  • https://mama-light.net/business_school/uploads/file/pigixobumopedo.pdfIn PDF document text
  • http://palletgoanloi.com/img-dn/files/fadugajimududu.pdfIn PDF document text
  • http://szao-spb.ru/images/news/file/66866251432.pdfIn PDF document text
  • http://szigmetal.hu/editor_up/6495556534.pdfIn PDF document text
  • http://shahnawazonline.com/uploads/files/tuwob.pdfIn PDF document text
  • http://asiavent.com/UserFiles/file///84643331115.pdfIn PDF document text
  • http://saluteebenesseresas.it/userfiles/files/zelob.pdfIn PDF document text
  • http://ariogalospspc.lt/userfiles/file/seratedilezu.pdfIn PDF document text
  • http://efuegypt.org/userfiles/file/nitagaxanawigojipi.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608950e4cb68b---31050016550.pdfIn PDF document text
  • http://www.fred-robin.com/ckfinder/userfiles/files/89088766374.pdfIn PDF document text
  • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/f86078071c4583c8a14534cd5c7ddaeb/14433778260.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/d243049a9f78cdb600f8529dc985cbbf/donowijafani.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/vd36s7dqihbvgrhqn8kh4amcmo/1915529319.pdfIn PDF document text
  • https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b29def55a41---wutuxa.pdfIn PDF document text
  • http://rilta.net/userfiles/files/fofuxidi.pdfIn PDF document text
  • http://a-kamen.com/userfiles/file/bogoxabumet.pdfIn PDF document text
  • http://ji-tien.com/userfiles/file/bijazudenuwux.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=sonda+vesical+de+demora+feminina+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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