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://crysiq.ru/uplcv?utm_term=install+django+ubuntu PDF link annotation

  • https://shreenathtechnologies.com/userfiles/file/48580908445.pdfIn PDF document text
  • http://sntaviator.ru/ckfinder/userfiles/files/389202317.pdfIn PDF document text
  • http://firstcuwire.com/file_media/file_image/file/xalafari.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614852929d6cb---33865340636.pdfIn PDF document text
  • http://morpheus-architects.com/file_media/file_image/file/pofuda.pdfIn PDF document text
  • http://adwokaci-pila.pl/userfiles/file/42644001175.pdfIn PDF document text
  • http://rvhifi.cz/files/file/kibanajogera.pdfIn PDF document text
  • http://ulrike-mayer.de/userfiles/files/12862555774.pdfIn PDF document text
  • http://splhardware.com/UploadFile/file/2021091716290473499.pdfIn PDF document text
  • http://scherzerpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gokipiwusuzamivizobodafe.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/ilic0dln6do6bsc0v8b19p008h/21902948872.pdfIn PDF document text
  • https://xn--bankkrtya-41a.hu/js/ckfinder/userfiles/files/noxes.pdfIn PDF document text
  • http://garagehayashi.com/js/upload/files/41568289616.pdfIn PDF document text
  • http://bukvoznaika.ru/ckfinder/userfiles/files/tidofe.pdfIn PDF document text
  • https://inprovitperu.com/ckfinder/userfiles/files/mumuwofudogejuz.pdfIn PDF document text
  • https://maggies-handmade.com/UserFiles/files/sarewozejafopad.pdfIn PDF document text
  • https://dmitrovka-zn.ru/admin/ckfinder/userfiles/files/juwikewasixunapofiputom.pdfIn PDF document text
  • https://congnghieptauthuyvietnam.vn/upload/files/22313059545.pdfIn PDF document text
  • http://www.aamuhsv-madisonalumni.org/files/files/wopunofabetanavewebolo.pdfIn PDF document text
  • http://gsemilia.it/userfiles/files/paxunojon.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/mke75jq9386rm7br7s5hrgf093/lupefijupibafonurigubaviv.pdfIn PDF document text
  • https://rmp-familienanzeigen.de/cms/files/zijomatamirikuvik.pdfIn PDF document text
  • http://indianapit.thriftstorewebsites.net/flash/indianapit.thriftstorewebsites.net/file/rugofasepezinibesov.pdfIn PDF document text
  • http://mobiliteit.nu/files/tojebunuvojafes.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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