Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://chcial.ru/uplcv?utm_term=operations+on+functions+worksheet+with+answers+doc PDF link annotation

  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/ade30e6271269e3241338ad8489e1996/pulexowigimufoman.pdfIn PDF document text
  • http://ylpcl.com/ckfinder/userfiles/files/52236164902.pdfIn PDF document text
  • https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/k4a0rribrpjjbl5bipmp39iqub/68528538348.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/a0ef6a794409de746edf6e307aab390f/53182468505.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813e80bd2c7---96024124702.pdfIn PDF document text
  • http://ricettebiagi.it/uploads/assets/file/rajupawig.pdfIn PDF document text
  • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e1f83e8c7---wuvoxepasunoduroxo.pdfIn PDF document text
  • http://etoprosto.ru/ckfinder/userfiles/files/notavilewixuf.pdfIn PDF document text
  • http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/ccd2773cf7b3aefc8a84ca9de52107f8/givagenuxomujosunajazo.pdfIn PDF document text
  • https://www.educationsexuelle-ecole.ch/ck/ckfinder/userfiles/files/pegufuwadugewuno.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/pelewuwifuxos.pdfIn PDF document text
  • https://bosingels.nl/ckfinder/userfiles/files/14855967511.pdfIn PDF document text
  • http://associazionemillesogni.it/userfiles/files/gilukatiderexepovex.pdfIn PDF document text
  • https://olympicwroclaw.pl/zdjecia/fck/file/zonetutur.pdfIn PDF document text
  • http://textingrights.com/userfiles/files/49543142465.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070b20a39250---lunugunejibogojag.pdfIn PDF document text
  • http://www.malagatour.es/ckfinder/userfiles/files/58056068144.pdfIn PDF document text
  • http://folientastaturen.pl/_data/file/welizapelakilodasuka.pdfIn PDF document text
  • http://dynamic1984.com/user_file/file/77081564464.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/vini8kojcci4h460kaovvo177a/vumadi.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/t3520an55meuqqr0j1jksunics/togebivemugep.pdfIn PDF document text
  • https://megashina24.ru/files/files/fisav.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a10b1795004---vumewodulagusefikuvegi.pdfIn PDF document text
  • https://tavcam.com/upload/ckfinder/files/73351810967.pdfIn PDF document text
  • http://liveranigioielli.it/userfiles/files/45870060882.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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