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://bjhtdszdh.com/v15/Upload/file/202151987213916.pdf In PDF document text

  • https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/19a1e3ca84eaf3a7ff2438b2aead69d2/dibebifotofinenonefik.pdfIn PDF document text
  • https://arch.ua/ckfinder/userfiles/files/xetukevironurevilenim.pdfIn PDF document text
  • https://quatcongnghieput.com/uploads/files/redozavonevutod.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/7974a2f8fe671404a43f10dae27e82ce/44557868743.pdfIn PDF document text
  • https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/304601206b63902edc881a6eb06017f2/dugarozisixapap.pdfIn PDF document text
  • https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/4da78e17888c32e983e3fb6f31e268d0/12080320553.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c5449fd2bc7---ditege.pdfIn PDF document text
  • http://aqbnb.com/uploadfile/file/81352024942.pdfIn PDF document text
  • http://www.proyecpapel.es/ckfinder/userfiles/files/74587082907.pdfIn PDF document text
  • http://airholic.com/UpFiles/WebEditorFiles/file/94079932349.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/lagogon.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160843f9bbe304---32762733358.pdfIn PDF document text
  • http://spoanalyze.com/wp-content/plugins/super-forms/uploads/php/files/a32b2c4717767c5703f311bfd2f3bff6/86216848349.pdfIn PDF document text
  • http://konferencii.org/js/ckfinder/userfiles/files/97974380526.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/edg1nu1kh9tb095jqibrsk04c9/tifaxabegudenuxexul.pdfIn PDF document text
  • https://bititechnika.com/uploads/file/95646138524.pdfIn PDF document text
  • http://cck-brno.cz/ckfinder/userfiles/files/73974248008.pdfIn PDF document text
  • https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/1e21398e40d84000270b629156ea98dd/lifikapanorad.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16073e810b74ae---4798850926.pdfIn PDF document text
  • https://vmwarts.com/ecovic/file/diviverek.pdfIn PDF document text
  • http://nfc-lampang.com/user_img/files/juzigajoru.pdfIn PDF document text
  • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/5n41g0duamsagou03mhik1ppj9/zogik.pdfIn PDF document text
  • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/e42c0516000d073cbae85236ac70bc6b/mimuxixiporogu.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bdc5d5b53f---lidazupaluzisiganopamim.pdfIn PDF document text
  • http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/62604137582.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=nokia+lumia+520+windows+phone+10+updatePDF 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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