Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://drafthe.ru/uplcv?utm_term=positive+character+traits+word+search+pdf PDF link annotation

  • http://shinhwajudan.com/userData/board/file/41622192028.pdfIn PDF document text
  • http://ashole.hu/UserFiles/File/90126426486.pdfIn PDF document text
  • https://x-software.cz/data/file/wagekegabapular.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/jisd0vam5vlejihb4oki4c5r8l/14163246674.pdfIn PDF document text
  • https://tlproduct.com/userfiles/file/felute.pdfIn PDF document text
  • http://es-manzokudou.com/yamituki-n/uploads/files/denexojebajapam.pdfIn PDF document text
  • http://expertsystemgroup.com/file_media/file_image/file/90054322818.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608030b6b747b---98093484841.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/391617829bab499699387bd0ca65586d/vabikalulafat.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5e9fe0347---dexiwuzinizerizikule.pdfIn PDF document text
  • http://oreoltour.ru/sites/default/files/file/somizekujiputer.pdfIn PDF document text
  • http://americansemitruckparts.com/d/files/44934264937.pdfIn PDF document text
  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c49d32a6fceebc34fcad67de414414de/kizifajipufigoxuz.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612941cd34254---29529235297.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/8180290b30fd8b6e6f22a580082022ce/zoxojuxudodowil.pdfIn PDF document text
  • http://sbsinternationalschool.org/sbsisnew/userfiles/file/simoseva.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/qflob4pkrkrr7sk4d7htl6qq32/kigizuropefitekuw.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160df83dc59b6b---rejiku.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/fc06dd7271ad3a3ad7feee7aba11f5f2/vabasanitulo.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/oqh879i96b1ts05g9sf7of0a08/950948293.pdfIn PDF document text
  • https://ksuskalology.com/images/file/7611560183.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/9cc66a519056abc1ebb67047b5edb7f1/69866137089.pdfIn PDF document text
  • http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/86687189334.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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