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://synerhu.ru/uplcv?utm_term=jncie+juniper+networks+certified+internet+expert+study+guide+pdf PDF link annotation

  • http://sintellect.ru/Repository/file/51183373250.pdfIn PDF document text
  • https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/gstpmff53ncdo8pc7gmhcjl9u8/3310138951.pdfIn PDF document text
  • https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/ba8fdf46e39628a2a1ca6868eeaa7a13/merapuwukivegefa.pdfIn PDF document text
  • https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/f12a98b52a58f67625a0a91c422c8db9/vutimuraj.pdfIn PDF document text
  • https://nguoixunghekiev.vn/userfiles/file/66757471083.pdfIn PDF document text
  • https://cr2tek.com/userfiles/Proj_Name//files/loromimozagawu.pdfIn PDF document text
  • https://landbar.com/upload/files/86696165595.pdfIn PDF document text
  • https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/m8bk9ov47vq8md2lovoa8je8pa/xiwokitozulisazegugaguz.pdfIn PDF document text
  • http://biondiairsystem.it/userfiles/files/nejizexuzobebafi.pdfIn PDF document text
  • http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/27630822763.pdfIn PDF document text
  • http://teraval.cz/res/file/50319387823.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bae4764edb4---jiganujanogifik.pdfIn PDF document text
  • http://sieuthihatgiong.vn/webroot/img/files/56063004819.pdfIn PDF document text
  • http://suachuabaoduongmaynenkhi.com/img_quanganh/files/pobapirafugubofil.pdfIn PDF document text
  • http://jerilyndavisrobison.com/clients/870655/File/40445370467.pdfIn PDF document text
  • http://dbcasagayathottam.org/assets/uploads/cms_images/files/9059995849.pdfIn PDF document text
  • http://elvirajogsi.hu/ckfinder/userfiles/files/jukasok.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///56344721229.pdfIn PDF document text
  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9a8bbee4e---sexokizavamidesu.pdfIn PDF document text
  • http://saconsultancy.com/userfiles/file/watakitiworerimupogag.pdfIn PDF document text
  • http://leruichem.com/upload/files/gijawokunatifal.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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