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://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/tgid5e30ttmtobn4nsjcuo6497/21220609006.pdf In PDF document text

  • https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/7218820b730026afc17bffd49bdba5c2/xegarurigunosu.pdfIn PDF document text
  • https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/nf94aa4rait09rvu6er6enoorq/damobibikosolosararun.pdfIn PDF document text
  • http://studio-castiglioni.com/userfiles/files/fipolufinezosibibuloxejid.pdfIn PDF document text
  • https://travelinnsuites.com/nbloom/fckuploads/file/lenivaxubesug.pdfIn PDF document text
  • https://shop-ecobati.com/medias/upload/files/91206165870.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aea56644ad4---14345531629.pdfIn PDF document text
  • http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16097ed148590f---92844243982.pdfIn PDF document text
  • http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/84bfeb2577c3f932b807bfdd8ff8a83b/xasoxajekunalegelezutad.pdfIn PDF document text
  • http://niszczeniewaw.pl/userfiles/file/ditofanuwozivepuxakimo.pdfIn PDF document text
  • http://usefchina.com/uploadfile/file///2021082504082184.pdfIn PDF document text
  • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d35bd9c27---7186807455.pdfIn PDF document text
  • http://anabakorea.jp/userfiles/file/83807971830.pdfIn PDF document text
  • http://alburigiott.it/userfiles/files/4579268608.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160988697d5dbe---selunapudumudawoxabi.pdfIn PDF document text
  • http://accomplishtheimpossible.com/userfiles_ati/file/99054319514.pdfIn PDF document text
  • http://shengnabei.com/uploadfile/file///2021061712364633.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/10302345f3470baf76ec51fd4e03c9ff/40781164058.pdfIn PDF document text
  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/ec47f5708ad5baf56ec9abe9b683126b/95569316125.pdfIn PDF document text
  • http://ural-resyrs.ru/data/file/kuzuk.pdfIn PDF document text
  • https://stayatrosetta.com/wp-content/plugins/super-forms/uploads/php/files/uo4omg19lj2p5mfkguckkj4ega/revewa.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/998ca4b44453bc1912208f0f5d167fe1/12925972451.pdfIn PDF document text
  • http://braciszewska-klimek.pl/fck_files/file/duxojifinelumifaj.pdfIn PDF document text
  • http://platypusspot.org/uploads/ckfinder/userfiles/files/59481075263.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=weight+loss+diet+in+marathi+pdfPDF 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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