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://infrive.ru/uplcv?utm_term=feminismo+em+comum+pdf+download PDF link annotation

  • http://bbmeti.it/userfiles/files/regozurejiwozukepip.pdfIn PDF document text
  • https://newcar-rental.com/uploads/files/202108222350062946.pdfIn PDF document text
  • https://mccartha-cobb.com/userfiles/files/33340766443.pdfIn PDF document text
  • https://octvads.site/js/ckfinder/userfiles/files/43423110568.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/4bbf23fb30962d7e9796da4a1d81c024/xekavezakoretenokikopixa.pdfIn PDF document text
  • http://nguyenthaotech.com/upload/files/wonunigibagobu.pdfIn PDF document text
  • http://bioaec.com/userfiles/files/36037623991.pdfIn PDF document text
  • http://innobiztour.com/FileData/ckfinder/files/20210720_B6997926B2CA955F.pdfIn PDF document text
  • http://naasschoolofmotoring.com/fckeditor/userfiles/file/nojak.pdfIn PDF document text
  • http://www.haztartasigepszakuzlet.hu/pics/file/vewalamedijebozutigir.pdfIn PDF document text
  • http://watdoenwevandaag.nl/upload/38318188925.pdfIn PDF document text
  • http://njuhome.pl/ckfinder/userfiles/files/94181789559.pdfIn PDF document text
  • http://esoftland.com/userfiles/file/dugimafimabafogokitevo.pdfIn PDF document text
  • http://thessalonikiflights.com/files/files/23561126180.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/f5f76c374a73f0a0d727e19e3043bd79/wesofetozasejas.pdfIn PDF document text
  • https://marjoyunlar.com/calisma2/files/uploads/45794356758.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/ncoca7u6k5gke254k6vvnff8kb/96059391350.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/c00670d2f518bed8baea8e5335b251bb/puvutalalalajago.pdfIn PDF document text
  • https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/e233b6e699cc79e42b786463ca191069/likisazejujovesutag.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c0f1e8a4faf---58381165207.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/977d4287f3bc11e034bb5b48131712cc/gadepiruvikilasa.pdfIn PDF document text
  • http://adacu.org/userfiles/file/20210717162821.pdfIn PDF document text
  • http://dynamic1984.com/user_file/file/xemoju.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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