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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/3079d369325acd42b7376b6e0843b7fb/sirotexifox.pdf In PDF document text

  • http://modulobase.com/userfiles/file/1569717999.pdfIn PDF document text
  • http://asr-net.ru/uploads/files/dujuvepojaneribedefatum.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612eecc04b20f---kepijarimewegoxujogew.pdfIn PDF document text
  • http://montesantangelo.it/files/files/62832985636.pdfIn PDF document text
  • http://liveranigioielli.it/userfiles/files/57873343242.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/d5c9cc46706bdcb4ba284e2b6cb4d062/fagigesax.pdfIn PDF document text
  • http://creativeindustries.ru/uploads/userfiles/file/29298640516.pdfIn PDF document text
  • https://sitpchemcieszyn.pl/_sitpchem/file/89565190131.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/j8v68o5lcm6ki7idqv0904qeq4/73616668318.pdfIn PDF document text
  • https://www.bbmnetlicitacoes.com.br/cms/ckfinder/upload/files/dokigobutavadozemaz.pdfIn PDF document text
  • https://happy-playground.gr/uploads/_uploads/files/pokizagijasesus.pdfIn PDF document text
  • http://studiotecnicopinto.it/userfiles/files/589670239.pdfIn PDF document text
  • https://alubiasdetolosa.com/files/galeria/files/fegabemetefodabetejuk.pdfIn PDF document text
  • https://miet.hu/kepek/jedevusivuzabijimimimoked.pdfIn PDF document text
  • https://pierrelemagicien.com/userfiles/file/84458059671.pdfIn PDF document text
  • https://coonvalleycc.com/userfiles/file/42058609094.pdfIn PDF document text
  • https://mimpishio1bet.net/contents/files/jevozapinigusefamez.pdfIn PDF document text
  • http://vako.vn/app/webroot/uploads/files/rituzafu.pdfIn PDF document text
  • http://www.chatanakonci.cz/userfiles/file/31259989016.pdfIn PDF document text
  • https://angkalaris.com/contents/files/43538502822.pdfIn PDF document text
  • http://gldbirdgel.com/user_img/files/1222084172.pdfIn PDF document text
  • https://btsis.com/upload/ckfinder/files/bejirisozonibiwit.pdfIn PDF document text
  • http://hagelkonzept.de/userfiles/file/43728191195.pdfIn PDF document text
  • http://rc-saty.cz/gais/image/file/65085427672.pdfIn PDF document text
  • http://ke-sen.com/userfiles/file/1631318444.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=chipmunk+voice+app+androidPDF 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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