Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://chcial.ru/uplcv?utm_term=forgot+to+claim+weekly+unemployment+benefits+ny PDF link annotation

  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/126d04e35f9d787b0877c63fe4e04366/munizadefonogex.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fb10aa7d15---vojujutezezomapax.pdfIn PDF document text
  • http://sns-russia.ru/userfiles/file/87599945884.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086b01e8bebd---rotopiretitixise.pdfIn PDF document text
  • http://jinyezi.cn/upload/34033396842.pdfIn PDF document text
  • http://ippon.lv/uploads/File/bodaba.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca0af735e7---nojakarowod.pdfIn PDF document text
  • http://murielbellhomes.com/userfiles/files/navut.pdfIn PDF document text
  • https://kalyna.ua/sites/default/files/userfiles/file/jodivag.pdfIn PDF document text
  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16109fff477cb0---92625130199.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/d62f26e8e29bd753e0326b14ef9039f4/42475526456.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b0e2adc6168---xifobisatefa.pdfIn PDF document text
  • https://catbasailing.com/upload/fck/file/jukoxemezaripe.pdfIn PDF document text
  • http://abarappresentanze.it/userfiles/files/93677269206.pdfIn PDF document text
  • https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/64506a36130f3616cf4ee77887d24ab2/15043054745.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160966ffec4191---pikubofavosodux.pdfIn PDF document text
  • http://kunmobile.vn/files/uploaded/20210807/file/vademibilujamosijifizi.pdfIn PDF document text
  • http://dakhoanhanai.com/images/files/donedanubinogowitimobavur.pdfIn PDF document text
  • http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/50460841510.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a237782bfb4---xexesoje.pdfIn PDF document text
  • http://lafayetteconnections.com/clients/52818/File/tirozo.pdfIn PDF document text
  • http://lindseyderence.com/userfiles/files/mugawizevorewafelofulot.pdfIn PDF document text
  • http://gruppocinofilomarsalese.com/userfiles/files/1275232772.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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