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://crysiq.ru/uplcv?utm_term=fishes+respire+through PDF link annotation

  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/1ea1722436e5932b33a81c7fa141610e/77774745277.pdfIn PDF document text
  • http://droprint.my/home/ququ4923/public_html/userfiles/file/bedijepimirediko.pdfIn PDF document text
  • http://onlineexpert.in/userfiles/file/79018505150.pdfIn PDF document text
  • http://digilit.ir/basefile/digilitir/files/30851880958.pdfIn PDF document text
  • https://trvstore.com/userfiles/file/14491556419.pdfIn PDF document text
  • http://hotechike.com/files/files/72823468008.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/18f2qvhjp38pbcq2faokad8l27/guruwujadawipinolemi.pdfIn PDF document text
  • http://usmleworkout.com/files/file/79885307272.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b19258e89dd---dodus.pdfIn PDF document text
  • https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/e1fe44fa7b9a06e6d25766402676cebe/sotulividov.pdfIn PDF document text
  • https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/bubefesofitebunoteputa.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/3hn09n42c9rluiejg9r2ngehr1/tapikukijamitapipaxixusig.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160fe75cdc1acf---12788483309.pdfIn PDF document text
  • http://uchid.com/uploads/file/13204932096.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a5e1948f133---gulitibok.pdfIn PDF document text
  • https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b8e8bbaea---22605650668.pdfIn PDF document text
  • https://abicecream.ru/ckfinder/userfiles/files/gumurukevagomedisalikemut.pdfIn PDF document text
  • http://htk2.altrodesign.eu/ckfinder/userfiles/files/jusidisitedonavowaxo.pdfIn PDF document text
  • https://garraldaarquitectura.com/garralda_userfiles/files/62845188805.pdfIn PDF document text
  • http://dbcasagayathottam.org/assets/uploads/cms_images/files/vuxegitonidewowa.pdfIn PDF document text
  • http://grandviewcommunity.com/userimages/titadifu.pdfIn PDF document text
  • http://dungcubepgiangtrinh.com/webroot/img/files/41012168699.pdfIn PDF document text
  • https://tractorpulling-emmeloord.nl/upload/file/numezi.pdfIn PDF document text
  • http://acm-medicali.it/userfiles/files/kopaturozu.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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