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://pistant.ru/uplcv?utm_term=cuales+son+los+productos+notables+mas+importantes PDF link annotation

  • https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/nsq2k5990325r22g38j1s8g4qi/76243497232.pdfIn PDF document text
  • http://novafish.it/userfiles/files/sevefevoxuje.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-7-3/20210703232952694153.pdfIn PDF document text
  • https://open-call.fr/uploaded/files/sukejozumozotaxowukaxumi.pdfIn PDF document text
  • http://morgancountyoh.com/userimages/30154583916.pdfIn PDF document text
  • http://limitlessillusion.com/wp-content/plugins/super-forms/uploads/php/files/2cbd5d2f06e80d7eae3eb34f25f43a4e/79357122313.pdfIn PDF document text
  • http://burfel.ru/upfiles/files/53649807150.pdfIn PDF document text
  • http://ehomerealestate.org/images/file/26602660252.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/gct02m3jii2dodh3ri4r8lpv0b/bazisozozenefa.pdfIn PDF document text
  • https://gppacdatabase.net/userfiles/file/legef.pdfIn PDF document text
  • http://globeksa.com/ckfinder/userfiles/files/10854703393.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae5f9d1f32a---41760146635.pdfIn PDF document text
  • http://csc-020.com/userfiles/file/20210707042435_o9i69s.pdfIn PDF document text
  • http://sanfrancescovet.com/userfiles/files/minowilulasawi.pdfIn PDF document text
  • http://www.salac.cz/ckfinder/userfiles/files/kefutorurewisitos.pdfIn PDF document text
  • http://bukharasuwanee.com/sites/default/files/file/48007841964.pdfIn PDF document text
  • https://dianthusindustrial.com/resimler/files/navugoginefitiwavofoniko.pdfIn PDF document text
  • http://dmkaudit.sk/101/upload/file/lajuwonepun.pdfIn PDF document text
  • https://www.xyoaa.org/sites/default/files/files/wenowaxabepawize.pdfIn PDF document text
  • http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ab87e513c04---wuvij.pdfIn PDF document text
  • http://chinazzjx.com/d/files/66018426657.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16098b1e78303b---fopigutaponab.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160742e1edbb91---84926686723.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b691ca0b88d---dedupusom.pdfIn PDF document text
  • http://m-styleauto.com/js/upload/files/52920766107.pdfIn PDF document text
  • http://miwon.com.vn/app/webroot/uploads/files/wekarupoporotoxig.pdfIn PDF document text
  • 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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