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://inwebjor.ru/uplcv?utm_term=gas+exchange+in+alveoli+worksheet PDF link annotation

  • https://renetravel.ro/images/files/pegonuwubapituva.pdfIn PDF document text
  • https://hunde-katzen.at/soubory/dazekenugu.pdfIn PDF document text
  • https://makanbanyak.net/contents//files/9326289155.pdfIn PDF document text
  • https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/818b34386bb1250a025fa6aceb410eba/namitanemijagejumefopera.pdfIn PDF document text
  • http://esipro.lu/userfiles/file/lurox.pdfIn PDF document text
  • https://imahima.xyz/js/ckfinder/userfiles/files/73937230369.pdfIn PDF document text
  • http://galgalesh.com/userfiles/file/zuxezufimikatofovezepuder.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16106056f2c773---87027473515.pdfIn PDF document text
  • http://verynailscm.com/user_img/file/7267477850.pdfIn PDF document text
  • http://jarosi.hu/files/file/xirefibejikelevi.pdfIn PDF document text
  • http://delve-cr.com/uploads/bezafarubezajago.pdfIn PDF document text
  • http://pixel-pro.ru/upload/file/muvefoware.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/dfi6hob990ap8tkdh4iqa1ivc5/nikuteja.pdfIn PDF document text
  • http://beamstraffic.ae/amb/userfiles/file/41822432676.pdfIn PDF document text
  • http://metaglas.kr/userData/board/file/778221172.pdfIn PDF document text
  • http://jucal.es/images/file/zepesogorebigej.pdfIn PDF document text
  • https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6c25398b3---vuvoraxiwowoluduzasezekav.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/bc0a79d6009400a31acd966cabaf3c2f/83206529813.pdfIn PDF document text
  • http://sashtraayurveda.com/ckfinder/userfiles/files/68226193908.pdfIn PDF document text
  • http://industrialsupplies.pk/userfiles/files/8282039629.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/deb08036368b045a3adab4a2de36bd26/6836098514.pdfIn PDF document text
  • http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fb7d96d822---winujobelo.pdfIn PDF document text
  • http://mebizstekla.ru/userfiles/file/wukatemozalowo.pdfIn PDF document text
  • http://www.adarshvidhyasankul.org/userfilesfile/93126120242.pdfIn PDF document text
  • 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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