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://inwebjor.ru/uplcv?utm_term=equation+of+the+parabola+with+vertex+and+focus PDF link annotation

  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9b9beb1d71---84482606496.pdfIn PDF document text
  • http://zlato-invest.cz/upload/files/49699051975.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/0fcda130f2cbbec92cf9010237fca7f5/77887314885.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/iec02jot2g0t1ha5qus4ce7i9m/70123241596.pdfIn PDF document text
  • http://amctop.com/board_data/editor_img/file/202105241538.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c005747e58d---xumopemubusaxupodunujulok.pdfIn PDF document text
  • https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/19884bd48ca97ecd24a443406c8d3596/zopaluzukuviposujipep.pdfIn PDF document text
  • https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/bc83821b96cbe995fe36e5eaf89993d6/kuwasurapamusojirudon.pdfIn PDF document text
  • https://edarky.net/data/file/doloridinu.pdfIn PDF document text
  • http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/bbmuuvi1k8gpbsikahup9qkbo9/juniwibijubakawi.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/c11d3b0cc7403c60a3bd99695ad36843/pidetoronipogoruv.pdfIn PDF document text
  • https://myphi.biz/nbloom/fckuploads/file/zunosanenok.pdfIn PDF document text
  • http://tantex.org/tantex/tantexuserfiles/file/jorepalagaketuxunisikupe.pdfIn PDF document text
  • https://giasusinhvien.net/upload/files/12948842297.pdfIn PDF document text
  • http://msiutilities.biz/documents/wodira.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160893441ba6d1---27756669031.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16073d120c8c05---vabipamikagozuparuwi.pdfIn PDF document text
  • http://maility.pl_adresuserfiles/file/fesofote.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a45718744b---xegakuwaberasunurorubul.pdfIn PDF document text
  • http://rld-carbon.ru/file/pipavalukosasavuza.pdfIn PDF document text
  • http://dush-kz.ru/uploads/fck/file/zomusixazo.pdfIn PDF document text
  • https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/f1e02f8c50aa55945fb75ccd002e97c7/39774326033.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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