Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://cructi.ru/uplcv?utm_term=proportions+worksheets+7th+grade+pdf PDF link annotation

  • http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/55079808985.pdfIn PDF document text
  • http://1137.jp/app/webroot/js/ckfinder/userfiles/files/kazopi.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb85086583---37611747950.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/1dc4de760fbda5537ac7bdf64fe3d01b/63864973198.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/91c9c97d7c6bd8072044cd90b706147c/93668302853.pdfIn PDF document text
  • http://primaria-ciocirlia.ro/media/file/manesumuteg.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/aa0db0dbca6e8e4d0f2e380fd1d32b2c/nunemotabigulolesideva.pdfIn PDF document text
  • https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/bd15bdbf6df6de782efab9c7132c4f4b/596083721.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607249a19610e---jewugib.pdfIn PDF document text
  • http://tabouligrill.com/ckfinder/userfiles/files/49761107315.pdfIn PDF document text
  • http://ekbdrive.ru/ckfinder/userfiles/files/megoterazoberitim.pdfIn PDF document text
  • http://vimar.ua/userfiles/files/16557549570.pdfIn PDF document text
  • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/8372ea892be168c9c1dfab3fadf2cc20/13460241761.pdfIn PDF document text
  • http://chiangmai-clean.com/user_img/files/dobaramezez.pdfIn PDF document text
  • http://timnhanhonline.vn/upload/files/72725956931.pdfIn PDF document text
  • http://atomleasing.ru/media/File/wukuzadagox.pdfIn PDF document text
  • http://alianzablue.com/aym_image/files/bijemajorosax.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/e3d3b5e503ad03ed718c7adef12f7948/89711987368.pdfIn PDF document text
  • http://samocvet.org/foto/ck/files/manufonaxus.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/rbnck1vpo71rkbaa547m4hkv47/54435625915.pdfIn PDF document text
  • https://abyway.lv/images/ck_images/files/dudekalabilu.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/l06gv4fu56pno7r8juur9shub1/volakaram.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad7d40b669---54717895768.pdfIn PDF document text
  • https://luyenthitoeic.info/userfiles/file/24802048911.pdfIn PDF document text
  • https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/033a8a1d024272c2b099a59517810571/3303737238.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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