Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://nomylo.ru/uplcv?utm_term=stickman+legends+db+mod+apk PDF link annotation

  • https://ego-sofa.tw/uploads/files/202109171815487306.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/b05d1ec3c4736cb6bfc419c7d2172809/80928466931.pdfIn PDF document text
  • http://artstudiodesign.it/userfiles/files/45513910831.pdfIn PDF document text
  • http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/vorisomasukadasememezivez.pdfIn PDF document text
  • http://uralcomservis.ru/crn_fls/crn_files/depukudan.pdfIn PDF document text
  • http://siamintertrade.com/file_media/file_image/file/96173632569.pdfIn PDF document text
  • http://cathugo-catamarans.de/res/wysiwyg/file/7819251060.pdfIn PDF document text
  • https://santa.sg/images/users/00000000/files/mapudanefiwilakufan.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/eca2db5d18319f0767a1a6c9b984aa28/rufaz.pdfIn PDF document text
  • http://bielwod.com/userfiles/file/mopuvovos.pdfIn PDF document text
  • http://fasson.vip/images/editor/files/wukeroruxaxopavozizi.pdfIn PDF document text
  • http://rkmaster.ru/uploads/files/gedaxe.pdfIn PDF document text
  • http://6nergy.fr/6nergy/sites/default/user/file/16710077652.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/161454425a0e6a---86990378485.pdfIn PDF document text
  • http://prunay-en-yvelines.fr/ckfinder/userfiles/files/nesapuvituseveg.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/ramofalamifolifigedemuba.pdfIn PDF document text
  • http://hyunshin.net/userfiles/file/85098477964.pdfIn PDF document text
  • http://rebeccaosborne.com/uploads/59412014227.pdfIn PDF document text
  • http://nataliashishkina.com/userfiles/file/nujixas.pdfIn PDF document text
  • http://hoangminhceramics.com/app/webroot/uploads/files/fomepejamugigaxi.pdfIn PDF document text
  • https://absoluteanytime.com/media_file/files/files/sebatovijeruxagaxobopobu.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d9a94534f9---xariviguxatumilepek.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613739e80d153---kuzumefowuwujogunakiniwus.pdfIn PDF document text
  • http://rs-entp.com/upload/file/69051172034.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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