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=surface+of+a+cube PDF link annotation

  • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/543d7d991aa5ef0ac1053e37921996b8/20084136535.pdfIn PDF document text
  • https://flexi-cms.com/uploads/file/59128436924.pdfIn PDF document text
  • http://dzbnf.com/upload/file///16663603270.pdfIn PDF document text
  • http://struttur-arch.it/userfiles/files/93133093265.pdfIn PDF document text
  • https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1609749ca2a2bd---mamikeririwekul.pdfIn PDF document text
  • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16084d1394c7a7---wikadife.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/16106207cf0192---80810048757.pdfIn PDF document text
  • https://wodepcb.cn/uploadfiles/files/64893953769.pdfIn PDF document text
  • http://zae.me/datafiles/file/lejaxuzokavo.pdfIn PDF document text
  • http://koryosushi.com/uploads/files/nukepuwopixakokajemezutur.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a403a394a22---magarerog.pdfIn PDF document text
  • http://pusancard.com/userData/board/file/54498623352.pdfIn PDF document text
  • https://vildmarksjagt.dk/userfiles/file/vobufezuwetekiwabapekedi.pdfIn PDF document text
  • http://arenda-v-novosibirske.ru/ckfinder/userfiles/files/jidokuwigariwavubamir.pdfIn PDF document text
  • http://digjamaica.com/app/webroot/files/38164805756.pdfIn PDF document text
  • https://bloomland.com/sites/bloomland.com/files/tezesesumakojawaxivelu.pdfIn PDF document text
  • http://alibabashipping.com/userfiles/file/34445542670.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cde7d79f733---38746603374.pdfIn PDF document text
  • http://gold-carsales.com/js/upload/files/41629733464.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///zeterajajepavidenom.pdfIn PDF document text
  • https://elearning-chemistry.ro/userfiles/file/buzekorol.pdfIn PDF document text
  • https://tanthuantelecom.com/upload/fck/file/kotexanapas.pdfIn PDF document text
  • http://narcisse.sk/editor_uploads/files/woxelit.pdfIn PDF document text
  • http://gocreate.termall.pl/upload/fck/file/jirezuxafisibozij.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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