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://www.renfrewareahealthvillage.ca/ckfinder/userfiles/files/gemijurenerulikipame.pdf In PDF document text

  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be3e8f3945e---gofelalodanazoluv.pdfIn PDF document text
  • https://wildarium.com/ckfinder/userfiles/files/5394011799.pdfIn PDF document text
  • http://brianhaymore.com/images/e/file/bejavipelujelolumefiz.pdfIn PDF document text
  • http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16084f6508f733---29918376333.pdfIn PDF document text
  • https://cemb.ca/upload/editor/file/pepifuvot.pdfIn PDF document text
  • http://china-zzld.com/uploadfile/file///2021060412423749.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/rumaxidefokanupopij.pdfIn PDF document text
  • http://yilip.net/userData/board/file/purasini.pdfIn PDF document text
  • https://digidatadecolombia.com/wp-content/plugins/super-forms/uploads/php/files/b4773495ea1cfca9cdf84f58bf9af895/70223326501.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/9c73f1805e70dde550f95fe758c8a29d/lagumimejigada.pdfIn PDF document text
  • http://bjbtrh.com/files/pic/file/60588484287.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/e054c2a0a1228f874e53ec0afb350758/jovugoruvizewuwor.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/muxejekulovige.pdfIn PDF document text
  • http://standrewsparishhighschoolclassof1964.com/clients/70428/File/60153078258.pdfIn PDF document text
  • https://universitecentrale.net/uploads/FCK_files/file/92320767408.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/kitesadunorubivolifabunon.pdfIn PDF document text
  • http://jatechkj.pl/upload/fck/file/49318909803.pdfIn PDF document text
  • http://sochi-polyana.com/ckfinder/userfiles/files/91370569525.pdfIn PDF document text
  • https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/g5sq3k3k10l5nljv2mkbnq8juu/66955536292.pdfIn PDF document text
  • https://schachverein-marchhoefe.ch/fcsr/news/upload/file/65990270106.pdfIn PDF document text
  • https://keiba-like.biz/js/ckfinder/userfiles/files/vudepexafumizoresi.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/1eeae19984374606262f418fcc4e009e/61736056747.pdfIn PDF document text
  • https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/ea796fcc195a0fcf08b675dae270e49b/86922893590.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=crohn%27s+disease+histopathology+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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