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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://laborke.ru/uplcv?utm_term=descargar+sony+vegas+32+bits+windows+10+full+espa%C3%B1ol PDF link annotation

  • https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/977s4fbi3cjpajqau90qatdobm/kezimonorenisofulonew.pdfIn PDF document text
  • https://efficimm.fr/userfiles/files/kewarogezerejigedo.pdfIn PDF document text
  • http://salt17.com/userfiles/files/vozilavudakif.pdfIn PDF document text
  • https://aspirans.com/files/file/51661012881.pdfIn PDF document text
  • https://fairtradeportal.pl/userfiles/file/womitarevokaninipef.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a09267d334c---dorawikuwugemikuki.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/161179d0c61f2f---gudefone.pdfIn PDF document text
  • http://resortvillairene.it/userfiles/files/17562775895.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/meao8cr63dudc5cqefbgeh79a5/tozigotekiwubopunitu.pdfIn PDF document text
  • https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/3454af55f2bd0360d8176488a29a54ce/10147255410.pdfIn PDF document text
  • http://www.evisiontiendaonline.com/ckfinder/userfiles/files/fivapopuwotilorufixe.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/f0an2vakn3m97hm5lggj41t723/xixeka.pdfIn PDF document text
  • https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/crc4ao22h12oalhqjif3m3tm8o/31130764943.pdfIn PDF document text
  • https://truckforceone.com/upload/editor/file/86401061054.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d779d06da30---15089969127.pdfIn PDF document text
  • http://criollo-cocoa.com/userfiles/file/ritojeruzisesujeromof.pdfIn PDF document text
  • https://maclashoes.it/file/35666811021.pdfIn PDF document text
  • https://hgqq.hk/tony/churchofgod/ckfinder/userfiles/files/sugazubutotujuxowap.pdfIn PDF document text
  • http://playitdirect.ca/ckfinder/uploadfiles/files/porivinuwetiwaropep.pdfIn PDF document text
  • http://tykhestudiodesigns.com/clients/7/73/7311521ca682816632878891c231d107/File/gibadefewijukanisafud.pdfIn PDF document text
  • https://floridainvestment.cz/files/file/45222295344.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed48a0fcf0---komefixate.pdfIn PDF document text
  • http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b45f0972155---69646872245.pdfIn PDF document text
  • http://jpsacademy.com/slbdavbatala/userfiles/file/zabezumemu.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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