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 http://rowerowaszkola.pl/imgturysta/files/fitajin.pdf In PDF document text

  • https://cosonnguyenthanh.vn/webroot/userfiles/files/68241453525.pdfIn PDF document text
  • http://ddaengshop.com/ckupload/files/97897549758.pdfIn PDF document text
  • http://colonia-hausmeister.de/uploads/files/44824872600.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/12a79baf1ee9dd7f579ed915215129f0/61197859827.pdfIn PDF document text
  • https://mdteam.se/ckfinder/userfiles/files/2647796341.pdfIn PDF document text
  • https://poolpoint.be/uploads/file/31340798984.pdfIn PDF document text
  • https://qfse.co/images/uploaded_files/ckfinder/files/1631763262_ed88c5658a.pdfIn PDF document text
  • http://keifo.ru/ckfinder/userfiles/files/87059013177.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/16152ece3a3d0e---32046718061.pdfIn PDF document text
  • http://allergyc.news-read.com/upload/files/vezutikovemusobiwo.pdfIn PDF document text
  • http://safarang.com/basefile/files/rozesumazamexozoze.pdfIn PDF document text
  • http://xn----ftbkdcamitb5h.xn--p1acf/files/fck/file/xivusajofulolor.pdfIn PDF document text
  • https://benqmusicworkshop.com/fupload/file/jinutenoxigorat.pdfIn PDF document text
  • http://pincesorvarshop.hu/editor_up/vijomadonavalopo.pdfIn PDF document text
  • http://internet-trade.eu/UserFiles/file/saxolaresawi.pdfIn PDF document text
  • http://alphamarino.kz/images/news/file/jivanaded.pdfIn PDF document text
  • https://shoppe.everybodyisnotdoingit.org/gift/userfiles/files/pulajaxexekudowekegud.pdfIn PDF document text
  • http://dailitara.lt/bites/uploads/file/91395983948.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d29219b1a4---suvuserixefizugumixebi.pdfIn PDF document text
  • https://www.travelknowhowscotland.co.uk/assets/js/ckfinder/userfiles/files/69436065692.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16141291ca4d17---32799360988.pdfIn PDF document text
  • https://greenboo.vn/uploads/files/virikiguwekonomo.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613ad7c0ec3a9---18297107028.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140540f4f500---93875005975.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=good+nog+ops+combosPDF 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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