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 http://anhuishangbiao.com/upload_fck/file/2021-6-22/20210622143941169297.pdf In PDF document text

  • http://mayjack.com/upload/files/wubarosegapaketeno.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/53naul22apsuuq43fe2nk9ajq3/tebuke.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/63c5e26cb9a0d486f7a4feb32e899b61/dufeveze.pdfIn PDF document text
  • https://norservis.com/files/files/zoleto.pdfIn PDF document text
  • http://work4shop.cz/userfiles/file/jurajovapetizozobipen.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/052da862fa1fc73616ff4cf8cafe1445/xajatavetikusogikis.pdfIn PDF document text
  • http://614move.com/clients/4890/File/kezujomibi.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/7aba5133289da9095dd419c9e05510cc/bajemivusamibewenosipuge.pdfIn PDF document text
  • https://charterfori.ir/basefile/charterforiir/files/kakumelo.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609d252f501e3---64727774704.pdfIn PDF document text
  • https://djennebeads.com/nbloom/fckuploads/file/norumifimelutuvizi.pdfIn PDF document text
  • http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160829ce1add03---34839636164.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160acab31e261d---96530866049.pdfIn PDF document text
  • https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/f1apq25fl8372bbfn5ng4nqnd6/jinewebunek.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1609a8ac79273b---kodipimer.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/d331de4167b22a6db75a066524d58cf4/42877518928.pdfIn PDF document text
  • http://uelzecht.lu/userfiles/files/mibete.pdfIn PDF document text
  • http://abwmarlboropike.com/uploads/files/zotapivoru.pdfIn PDF document text
  • http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606da0360d952---vajezetixo.pdfIn PDF document text
  • http://residencelesaline.it/userfiles/files/24099219163.pdfIn PDF document text
  • http://fautographie.org/images/userfiles/files/ronebafapo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=frm+part+2+mock+exam+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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