Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://pistant.ru/uplcv?utm_term=parasitologia+neves+livro+pdf PDF link annotation

  • https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/7f5ba8eeeeb594ddcd107778fe30b000/sekogidevatarabasuwujo.pdfIn PDF document text
  • http://labotinnghia.com/img/files/43659383313.pdfIn PDF document text
  • http://location-appartement-venise.com/italie_documents/files/pumike.pdfIn PDF document text
  • http://profitoolinfo.ru/ckfinder/userfiles/files/85225496277.pdfIn PDF document text
  • http://csc-028.com/userfiles/file/20210714094507_pkc8zs.pdfIn PDF document text
  • https://dm288.rs/slicice/file/zizimebik.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160dcc4a3dadfc---86190114815.pdfIn PDF document text
  • http://hourinkan.net/js/upload/files/61798383808.pdfIn PDF document text
  • http://gesgo.de/userfiles/file/59744830839.pdfIn PDF document text
  • http://www.barbazan-debat.fr/ckfinder/userfiles/files/jitizo.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612865cc0e272---bowuwufufanufopirerer.pdfIn PDF document text
  • https://mysilo.com/upload/ckfinder/files/rexogegakabolo.pdfIn PDF document text
  • http://iowatriallawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jokepelodotak.pdfIn PDF document text
  • https://nicosiacaffe.it/file/23850736049.pdfIn PDF document text
  • http://kinel-hunter.ru/upfiles/file/juxar.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/0d831e7a24772d679d315f8a189281b5/keseg.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/160984b8c304bc---65549641181.pdfIn PDF document text
  • http://wernersuarez.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/42498614025.pdfIn PDF document text
  • http://apexibd.com/uploads/fck_uploads/file/tatilusegoze.pdfIn PDF document text
  • https://greenvalleykerala.com/ckfinder/userfiles/files/kuboriwanobebironid.pdfIn PDF document text
  • http://tremonttemplemacon.com/clients/862779/File/jodajoroxagajisez.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609f775d9d868---gonaganofizodaj.pdfIn PDF document text
  • http://nt-module.ru/ckfinder/userfiles/files/segipuwidid.pdfIn PDF document text
  • https://zlatartopalovic.rs//files/62275981385.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/c78d5323e51b678fca51734989f1861e/41500964801.pdfIn PDF document text
  • https://momsgardenfoods.com/ckfinder/userfiles/files/75175149365.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/aec35b0e19d73a1eca7620b51195624b/tololebetuxo.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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