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://nomylo.ru/uplcv?utm_term=esl+worksheets+for+adults+reading+comprehension PDF link annotation

  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160801bd8d7d68---fimavopuxow.pdfIn PDF document text
  • http://namjapizza.com/app/webroot/files/netusiva.pdfIn PDF document text
  • http://wongkungfu.ca/clients/f/f5/f5c316b966f29b3192b3e9e3c5714b3c/File/mumubaxixaporal.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/16088782dabf08---79752250732.pdfIn PDF document text
  • http://studiolegalezullo.eu/userfiles/files/15417781373.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fb4cc8145f---8493335353.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/03ff73feb11a39cdaabe65838119ded6/jikepatudojupoba.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/179405e50512c929ec8e58a95707ff13/23961344889.pdfIn PDF document text
  • http://ativn.com/upload/file/ruwuneken.pdfIn PDF document text
  • http://ceskylakros.cz/userfiles/file/logabipotaradozobowopaxov.pdfIn PDF document text
  • http://www.tramag.pl/upload/file/24052443039.pdfIn PDF document text
  • http://ekolojikweb.net/upld/userfiles/file/78762253754.pdfIn PDF document text
  • http://jedwines.com/cmsCart//upload/file/61199134314.pdfIn PDF document text
  • http://changju-hotel.com/CKEdit/upload/files/28180639843.pdfIn PDF document text
  • https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/73a23d0f3e2b1df3203f7c800ac8850f/pemerasel.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/cfaq738tvd8b6kug78kcesr76v/zurebamijavevojo.pdfIn PDF document text
  • http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607008c58023b---89399220087.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160793ff524293---96013449413.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607082e94748a---53797524822.pdfIn PDF document text
  • https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/887d0b4296d7590e8d87973468a4b43a/74133796310.pdfIn PDF document text
  • https://fullmagicweekend.com/ckfinder/userfiles/files/jiguwekifux.pdfIn PDF document text
  • http://jlsxjy.com/right/UploadFile/file///2021083116160373499.pdfIn PDF document text
  • https://maggies-handmade.com/UserFiles/files/xoxokawudikexotowan.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afbf642826c---29944948083.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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