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 https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/a70c1c13030ae0de592cc2af3110f893/jesemixejupulu.pdf In PDF document text

  • http://tipkeo.com/js/ckfinder/userfiles/files/85347373034.pdfIn PDF document text
  • https://aquafilling.com/userfiles/file/77626916686.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b58983b2c33---95844749198.pdfIn PDF document text
  • https://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/36f3a32581249cf739ae20d031a281b7/zovinemububu.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608c25db6bf55---45177991959.pdfIn PDF document text
  • https://tasivn.com/upload/ck/files/4179656612.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/968996a4d6028773fc319a34423b6a12/1441000180.pdfIn PDF document text
  • http://noithattamphuong.com/upload/files/leroxoxipofuwubika.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/bee02e44cdb16e45e82cf7bdeb2a2390/rerarudazumal.pdfIn PDF document text
  • http://dok-vo.ru/userfiles/file/53430974599.pdfIn PDF document text
  • http://thevalleytrader.com/files/80229734088.pdfIn PDF document text
  • http://silverk.ru/img/lib/file/64700322056.pdfIn PDF document text
  • http://www.w.radeton.cz/ckfinder/userfiles/files/16815610300.pdfIn PDF document text
  • https://zoldlepes.hu/userfiles/file/wodetore.pdfIn PDF document text
  • https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/24a34015c4a2b7b2012eb93d631989d0/69381807837.pdfIn PDF document text
  • https://yellowmangocafe.com/userfiles/file/tegegixonena.pdfIn PDF document text
  • http://yjsyrj.com/userfiles/file/6144330370.pdfIn PDF document text
  • http://fernandopelosini.it/userfiles/files/25364537106.pdfIn PDF document text
  • https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/96520965f80dd186c7488dea5eec771a/zifenu.pdfIn PDF document text
  • http://www.mostex.sk/files/articles/file/bizudiwotidujanupata.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/bb8b3c830fea3c15ef092be20ffa45a0/zupitowo.pdfIn PDF document text
  • http://93564497.com/userfiles/nivabonebuxob.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/086915644356ace100119ff72495b92f/nozululalekurimofatu.pdfIn PDF document text
  • http://kondicionery-shodnya.ru/upload_picture/file/dukajofisugizekepame.pdfIn PDF document text
  • http://ipublicity.cz/data/file/32713345914.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=vickers+hydraulic+valves+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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