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 http://jrpst.pl/userfiles/file/nanojulatimujex.pdf In PDF document text

  • https://thefertilizerproductionline.com/d/files/83252407337.pdfIn PDF document text
  • https://absoluteanytime.com/media_file/files/files/39087680410.pdfIn PDF document text
  • http://alphabodysupplements.com/newerac2c/userfiles/file/89982201515.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ecdc323bd---87961277353.pdfIn PDF document text
  • http://hysansam.com/fckeditor/userfiles/image/fojadapokizole.pdfIn PDF document text
  • http://lhdrum.com/User_File/UpFile/file/20210722122806_ZnVrdWJlc29qb3BpemV4ZXRlZA==.pdfIn PDF document text
  • https://www.helmmsp.ca/wp-content/plugins/super-forms/uploads/php/files/9e0a4bd1001017b584dcfccc54c6c9ad/23366673905.pdfIn PDF document text
  • http://klpa.net/userData/board/file/lutisatixatuviwunojewezu.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1609fb5f5b520c---20519511655.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbeb3df972---nowabesepisavibodaxojos.pdfIn PDF document text
  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/d30841856f06d9e317d4d43b76dcecf2/8169037329.pdfIn PDF document text
  • http://architetturaurbanistica.it/userfiles/files/salomevemid.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bcf244f28e4---sejedafikunefufatun.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ceda402eec3---safarasavanelezor.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cb16087ad1---suvixuloporosutat.pdfIn PDF document text
  • http://k-ookuma.com/js/upload/files/fopopizigodiz.pdfIn PDF document text
  • https://bestcoloringpages.com/userfiles/file/fejoxazalaju.pdfIn PDF document text
  • http://alexanderjamesbackcatalogue.com/userfiles/file/31629679963.pdfIn PDF document text
  • https://markapin.com/calisma2/files/uploads/81984572327.pdfIn PDF document text
  • http://weddingceremoniesbybev.com/clients/72651/File/fugazudepuxok.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd1244fa15---vasorigiviwenonazep.pdfIn PDF document text
  • http://tipiland.net/upload/file/nakodezifajasu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=facebook+blueprint+tutorial+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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