Malicious PDF — malware analysis report

Heuristics 6

• 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 http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1610ef9f484d2c---bojenavobizebe.pdf In PDF document text

  • http://np-laser.com/upload_fck/file/2021-7-2/20210702000917759364.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160928a27f242b---36352714914.pdfIn PDF document text
  • http://erictex.com/ufiles/files/xaxiwijix.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/3cfbf297283ca3c75e977e6575b50d4a/wewidilir.pdfIn PDF document text
  • http://hpmcfamilyreunion1968.com/clients/83891/File/95414030613.pdfIn PDF document text
  • https://magerp.org/upload/files/bodavosafaleliga.pdfIn PDF document text
  • http://klefmarken.se/upload/file/50608478662.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1611c7d4ba25f4---lowunemerevofibimalodo.pdfIn PDF document text
  • http://weddingceremoniesbybev.com/clients/72651/File/98176344348.pdfIn PDF document text
  • http://bilmatbasim.com/userfiles/file/tokolevobinoruzukutujo.pdfIn PDF document text
  • https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b05da57c0d6---70859563745.pdfIn PDF document text
  • https://activepymes.com/pub/file/ripuminemogizekogabaji.pdfIn PDF document text
  • http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/11796722422.pdfIn PDF document text
  • http://socialsipahi.in/assets/ckfinder/core/connector/php/uploads/files/bemujibezedivadepufi.pdfIn PDF document text
  • https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/5aeff99d1a5219efad835d0c6e33aab7/14317242257.pdfIn PDF document text
  • http://hornets88.com/clients/56662/File/77611405270.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/kagesafekemo.pdfIn PDF document text
  • http://jiuxingchaoshi.com/uploads/file/300257461265.pdfIn PDF document text
  • http://aaaexpressheating.com/userfiles/file/zoresitarizuzerebopesewo.pdfIn PDF document text
  • http://eldmsh1.ru/js/ckfinder/userfiles/files/bojewixasumuvup.pdfIn PDF document text
  • https://www.natursany.com//ckfinder/userfiles/files/48210431014.pdfIn PDF document text
  • https://lederstuhlshop.de/ckfinder/userfiles/files/wirejesurofizelaxiw.pdfIn PDF document text
  • http://fmafirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/belafej.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/pvjrbis3nua9hjgpj4fa7rqth1/definofozubedekusedukuses.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=fatshark+attitude+v2+manual+pdfPDF 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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