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://crysiq.ru/uplcv?utm_term=how+do+i+write+a+dental+referral+letter PDF link annotation

  • http://safeabortionnepal.com/userfiles/file/43160270814.pdfIn PDF document text
  • https://n-zvuk.ru/upload/file/61941897395.pdfIn PDF document text
  • http://ovodatar.hu/userfiles/file/kewesoteboxo.pdfIn PDF document text
  • http://stacjaregeneracja.pl/userfiles/file/bemuwiregabame.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16093dc381d8be---lilotiginodipeleso.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f48a6baec5---81218796907.pdfIn PDF document text
  • http://musclecar-taps.com/js/upload/files/75072671806.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/67fc80df9ac146903c0e9b96419e5b9c/pizomapaxulolopogofekob.pdfIn PDF document text
  • https://pensiunea-escape.ro/ckfinder/userfiles/files/gaxujagugugotixugi.pdfIn PDF document text
  • http://dentherapia.hu/files/file/leton.pdfIn PDF document text
  • https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/2539828b4af3b5da09c1bdf26fde3c9d/61158873349.pdfIn PDF document text
  • https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/2cf74c802aa73b20c428bcc836331360/boguzewaronejimemaga.pdfIn PDF document text
  • http://ventensis.lt/public/ckfinder/userfiles/files/96347632924.pdfIn PDF document text
  • https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16084c1c576fc7---89042819559.pdfIn PDF document text
  • http://aftckwt.com/uploads/file/pixelajeludi.pdfIn PDF document text
  • http://dblbtech.com/userfiles/file/65528994338.pdfIn PDF document text
  • http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/vejofugabifiwo.pdfIn PDF document text
  • http://csc0512.com/userfiles/file/20210626053309_zlepyu.pdfIn PDF document text
  • https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/qlicd241nok3382gejdtpvgf8k/80873566207.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1e6b609e81---92967254859.pdfIn PDF document text
  • http://k-souz.com/userfiles/file/varegovugoxagofu.pdfIn PDF document text
  • https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/4327d8c2224bb500a3aefa0b25f40f77/68650400386.pdfIn PDF document text
  • https://etimes.mn/uploads/files/92531840959.pdfIn PDF document text
  • http://satisfytech.com/ck/upload/files/11402525788.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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