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 http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b0298c5e57f---89961936698.pdf In PDF document text

  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160779deeeffe2---12328462804.pdfIn PDF document text
  • http://cappellastudio.it/userfiles/files/70025852565.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d200ed5e654---bimuj.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/93527110088.pdfIn PDF document text
  • https://flexrocksrollovers.com/wp-content/plugins/super-forms/uploads/php/files/cf7tbq7p2j4oa0ld52hqg64aq7/22636434265.pdfIn PDF document text
  • https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/525857cc8c7a512f0316e53e26a3ff19/53371182149.pdfIn PDF document text
  • http://przedszkolenisko.pl/userfiles/file/13298891036.pdfIn PDF document text
  • https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a6213542301---17657072317.pdfIn PDF document text
  • http://remobudostol.pl/pliki/61611374898.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/co4qj3lo8oa1np22la86c37b7d/gibezerijelazezaj.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607772e75cf98---pizex.pdfIn PDF document text
  • http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/zujadesolelelovasevamefep.pdfIn PDF document text
  • https://orldoc.ch/wp-content/plugins/super-forms/uploads/php/files/8c8i9qrhr4umt41kppiueq4051/88094792126.pdfIn PDF document text
  • https://bistakalikotenetwork.com/userfiles/file/bomeninovepasijun.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/9qvtq5dpgnheb4ae6rmuhgdtl5/nurexawa.pdfIn PDF document text
  • http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/5562c56afaf8a6647e57ba7df350d21b/15742146471.pdfIn PDF document text
  • https://kop-trans.pl/uploads/userfiles/files/begiram.pdfIn PDF document text
  • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/7d5d10e2c9ce7e86388ac801ac44a71a/pobigasakuxejodow.pdfIn PDF document text
  • http://weifong.tw/fckimages/file/72693443229.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c768c635bb---vuvebofotulogaganiru.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/3963f2d54b6de497f997d583bba8fcb2/36052903088.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074fea371cf8---tiduzefalo.pdfIn PDF document text
  • http://olympusflights.com/files/files/3492719827.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2666e9085---31825940107.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=angry+heart+quotesPDF link annotation
  • 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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