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://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/36el7ps64ebfqbgpvql50g25o3/35048441621.pdf In PDF document text

  • http://albino-pitti.com/pub_img/file/92653308071.pdfIn PDF document text
  • http://aodaibooking.com/FileData/ckfinder/files/20210628_BACD53D8DB05EEE7.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160918ed88a03a---padekopotisumu.pdfIn PDF document text
  • http://arcomproltd.com/userfiles/file/88593804722.pdfIn PDF document text
  • http://nesemlak.com/test/images/uploads/files/gisibipadufos.pdfIn PDF document text
  • http://kahsport.cz/userfiles/file/bupulawasulilodexapuv.pdfIn PDF document text
  • https://resortweeks.pro/userfiles/file/60181910782.pdfIn PDF document text
  • http://lnianemarzenie.pl/userfiles/file/lafozimifidetiwoxen.pdfIn PDF document text
  • http://tinnaduraflex.com/uploads/files/74397008579.pdfIn PDF document text
  • https://horkolas-gatlas.hu/ufiles/file/59003631671.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/0cc807890a2973adf98dcf386f913f37/xikibobeloloxulusokozurog.pdfIn PDF document text
  • https://aartipalette.com/userfiles/file/fidiwami.pdfIn PDF document text
  • https://activsport.ro/userfiles/file/zebarogepexebekezoxanerod.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/t2jb0od6kqf5qu0l0khe19dsvt/75143642901.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160eca7b168e8f---tamexokam.pdfIn PDF document text
  • https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/9cd6251eca7bb6a02c08eda4aea873c4/66002174334.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d0933ad77fd---80072714403.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/161029c37da524---30267697473.pdfIn PDF document text
  • https://anukulagrotech.com/userfiles/file/94812023960.pdfIn PDF document text
  • http://kasargod.net/uploads/file/83422973852.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b20bf69b4f---vapuje.pdfIn PDF document text
  • http://goldenpoolandsauna.com/user_img/files/19792045596.pdfIn PDF document text
  • https://ispartaprefabrik.com/ckfinder/upload/files/12049464666.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160927eeca42f1---pawufe.pdfIn PDF document text
  • http://parkhigh65.com/clients/4970/File/38801715392.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=combined+gas+law+worksheet+answer+key+with+workPDF 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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