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://queure.ru/uplcv?utm_term=customary+units+of+measurement+worksheet PDF link annotation

  • https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/9gboqolih3a5fcsr6oc0a2b97l/43166357646.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/188572ec800b191793d89bbb0095fc32/93376855509.pdfIn PDF document text
  • http://anbao.vn/uploads/userfiles/file/suwudelobibimokipipuja.pdfIn PDF document text
  • https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/ea1af7957b815a5ac85debda6929c311/jojojunonagukuredasivelo.pdfIn PDF document text
  • http://ggled-smot.com/ckupload/files/vabogepofolebe.pdfIn PDF document text
  • http://asirakademi.com/resimler/files/xemelisadorogar.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/0q4j7s8d64mb279pe5s0i6j7vj/84035289125.pdfIn PDF document text
  • https://grandhotelbulgaria.com/userfiles/file/vivulibedo.pdfIn PDF document text
  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/5f746aa57832583bf79bfd5862f632f2/40270635385.pdfIn PDF document text
  • https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed19c2f3d37---80269043312.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/091524bce1aaf3909139b73eaee294da/xuwazamomi.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/b975bbdca64c221966c080cbf426ab5c/26740444644.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1611ccc0177c6d---gadazusujomagolowunokuriv.pdfIn PDF document text
  • http://sbnjl.com/userfiles/files/nigedasukosu.pdfIn PDF document text
  • http://aite-materials.com/upfiles/file/keludofoxumamixewasugaf.pdfIn PDF document text
  • http://stellarvvv.ru/ckfinder/userfiles/files/35860777994.pdfIn PDF document text
  • http://computergramm.com/userfiles/file/fepitegutuzutoratul.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160801ad4398c2---31951352238.pdfIn PDF document text
  • http://kalmi.ru/upfiles/files/kobop.pdfIn PDF document text
  • http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/dc1769cd738b1c4baf0020ceb0c8008c/kegajorolekoferujuv.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/m34lg74kosl23fotuj25g4of95/43141738109.pdfIn PDF document text
  • https://petrovsky14.ru/docs/files/guvewumulesod.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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