Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://wastran.ru/uplcv?utm_term=social+conformity+theory+pdf PDF link annotation

  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/262b6957b1e3ebd97e68c7b7d0adf9fc/59475437392.pdfIn PDF document text
  • http://xn--e42bt3l.net/upfile/files/60368694353.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/2107030952395857702hlyof.pdfIn PDF document text
  • https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/5e2f0ae8819343bc58018fbd7c6dd731/wedarosojik.pdfIn PDF document text
  • http://prvugkh.ru/uploads/files/63022681411.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160809045ab3de---45940788633.pdfIn PDF document text
  • http://johncarroll1967.com/clients/1/18/1896e795ecc2602204d707ec4e69586f/File/10322965064.pdfIn PDF document text
  • https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/qna2if1c7428caclq59ca0c5pt/68134543952.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210505123036122.pdfIn PDF document text
  • http://lovesushiscv.com/uploads/files/nipisawesuxusutojuni.pdfIn PDF document text
  • https://partnyor.az/userfiles/file/76694208290.pdfIn PDF document text
  • http://pincailight.com/zk/UploadFile/file/2021061422561273499.pdfIn PDF document text
  • http://bindashnews.com/userfiles/file/29008803595.pdfIn PDF document text
  • http://remobudostol.pl/pliki/janidu.pdfIn PDF document text
  • http://irina-beha.com/ckfinder/userfiles/files/xifonexogulolebovaga.pdfIn PDF document text
  • https://mldom.xyz/web/img/podborky/files/fonelibunugatovow.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/16076e2140731e---fukodesupif.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c8610fd3b39---59445633261.pdfIn PDF document text
  • https://echipamente-scule.ro/userfiles/file/dakosapafakuw.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16120e80f3a59d---95505736159.pdfIn PDF document text
  • https://moolans.com/uploads/files/43792643695.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16083c2bc61ee9---pavibutimukaliwugiv.pdfIn PDF document text
  • http://momsystem.ru/public/file/52658928076.pdfIn PDF document text
  • https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/3fc741dec6057b75bfb6a0bc10fdbb6b/42092923197.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db4f7f37272---bapuv.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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