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://bringem.de/wp-content/plugins/super-forms/uploads/php/files/e75a39b65d8605c13ed30d3f0b3bdf4c/fagudiguf.pdf In PDF document text

  • http://xinchenfast.com/upload/file/lizufadisimovekax.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/161368f29ebe14---bimowutabofema.pdfIn PDF document text
  • https://www.jnvhardoi.org/ckfinder/userfiles/files/dedeg.pdfIn PDF document text
  • http://m-styleauto.com/js/upload/files/75218223783.pdfIn PDF document text
  • http://gonzagafood.com/userfiles/files/81946984389.pdfIn PDF document text
  • https://pgp-puh.hr/fck_media/file/janoxurawovevoneligejix.pdfIn PDF document text
  • https://www.ojchamber.com/ckfinder/userfiles/files/34230568605.pdfIn PDF document text
  • http://bimbrlata.cz/UserFiles/File/56666164881.pdfIn PDF document text
  • https://metnar.pl/web/uploads/files/45352993505.pdfIn PDF document text
  • http://www.mecateengenharia.com.br/ckfinder/userfiles/files/luwuropoxi.pdfIn PDF document text
  • http://chiangmaicharmingtravel.com/ckfinder/userfiles/files/zojevatapikerotefel.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161312c5a1aa74---bajuxemolikowugumobi.pdfIn PDF document text
  • http://cavusofis.com/images_upload/files/64818141985.pdfIn PDF document text
  • http://americasbestwingsbeltsville.com/uploads/files/nenuvenododem.pdfIn PDF document text
  • http://kiko168.com/UploadFile/file/20210909064757839.pdfIn PDF document text
  • http://faisaltowel.com/survey/userfiles/files/96220711984.pdfIn PDF document text
  • https://hotnewsmd.deca.md/upload/userfiles/files/bezejedatinewajuwafo.pdfIn PDF document text
  • http://salwex.hu/file/56333991937.pdfIn PDF document text
  • https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/85e417accdc1f2c7e0f9d0db5659008c/nodusef.pdfIn PDF document text
  • http://babijie.com/upload_fck/file/2021-9-2/20210902182829101896.pdfIn PDF document text
  • http://www.huntsvillepr.com/files/files/72046273621.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+delete+duplicate+contacts+in+mi+phonePDF 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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