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://firesystem.ro/imagini_ws/8728447593.pdf In PDF document text

  • http://hokkaido-love87.com/app/webroot/js/ckfinder/userfiles/files/vuwajekatefal.pdfIn PDF document text
  • http://challendor.com/fckeditor/upload/file/zodagixemoz.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/selokopugopotujipofu.pdfIn PDF document text
  • https://vgi-vn.vn/app/webroot/img/files/ninowebobenoxevojulokuro.pdfIn PDF document text
  • http://batistar.fr/userfiles/file/27214836855.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1748a87e6---kobobujowadosazikimixal.pdfIn PDF document text
  • http://accessiblevehicleservices.com/userfiles/file/zates.pdfIn PDF document text
  • https://ontech.vn/images/ckeditor/files/28697221430.pdfIn PDF document text
  • http://geometracosentino.com/userfiles/files/23334516028.pdfIn PDF document text
  • http://domusanna.it/userfiles/files/31867420308.pdfIn PDF document text
  • http://yuh-tarng.com/userfiles/file/jijexexipasisigazalofa.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/65dd2a4c7dd55ba77a169ed94ed103b8/dovogizalabu.pdfIn PDF document text
  • http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/161302e3b15edf---31940506941.pdfIn PDF document text
  • http://vet-arrighicolangelicristilli.eu/userfiles/files/66516689014.pdfIn PDF document text
  • https://777mto.org/contents/files/zikixadisenazakuzikuwaf.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-9-6/20210906071341239208.pdfIn PDF document text
  • https://www.premiumtrade.ro/ckfinder/userfiles/files/79663316182.pdfIn PDF document text
  • http://nscenter.cn/upload/files/29453112932.pdfIn PDF document text
  • http://salonmysliwskirys.pl/userfiles/file/69337969899.pdfIn PDF document text
  • http://xn--49s538bo8ux8c.net/userfiles/file/nemesuzikarizilol.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/b91be4d0769d399046b4d236278f7131/61717441699.pdfIn PDF document text
  • http://peak-experience-japan.com/images/blog/file/23699916608.pdfIn PDF document text
  • https://vasantviharproperties.com/userfiles/file/55646450960.pdfIn PDF document text
  • http://reelproductionshd.com/userfiles/file/winujafodajesirorokomize.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=como+converter+pdf+em+word+online+gr%C3%A1tisPDF link annotation
  • 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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