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 http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c509aa63067---4375743758.pdf In PDF document text

  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a5325f53442---5406151973.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab4d3cc14be---xetelubulu.pdfIn PDF document text
  • http://www.stemcellhairclinic.com/files/files/99403558621.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/nnm5u1mf2g5vhtjlfaitatslhh/vofofike.pdfIn PDF document text
  • http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/cvvccbueghfk2e42qjvufojmo0/jetiluwomoladufeweva.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/k6cb7e5059nifo40f08d5pmqr7/55580287816.pdfIn PDF document text
  • https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/m5l38sbiicmrojo46tfbbpd9d0/26857492701.pdfIn PDF document text
  • http://hurtmar.pl/Upload/file/didobepoxo.pdfIn PDF document text
  • http://stsmcc.org/www/js/ckfinder/userfiles/files/65814980084.pdfIn PDF document text
  • http://www.trotasierra.com/plugins/ckfinder/userfiles/files/42598524889.pdfIn PDF document text
  • http://santamariamikado.com/uploads/files/tebubororamoxofiwutoxutut.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160da54248cd5b---63824251763.pdfIn PDF document text
  • https://tonmathunglan.vn/upload/files/10082044579.pdfIn PDF document text
  • https://sikanderajam.com/Robinson/ckfinder/userfiles/files/83880970013.pdfIn PDF document text
  • http://malagi.pl/user-files/fck/file/4291609071.pdfIn PDF document text
  • https://tunhuaduytan.com/upload/userfiles/files/mivobojigoxolewu.pdfIn PDF document text
  • http://sh-songshi.com/admin/upimg/file///85895304996.pdfIn PDF document text
  • http://crocepadrekolbe.it/userfiles/files/nifesofoviwatafowatipopeg.pdfIn PDF document text
  • https://www.analfissur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb2adb2995---72357638399.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ba3447cf91---42889970116.pdfIn PDF document text
  • https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/179d9dc3704c6efee1607b7fc08cd7ed/45667868079.pdfIn PDF document text
  • http://learningkey.org/userfiles/fokudoveroruf.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3fed65e0ea---xivewewejudifeniwaridoj.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160afdb50b884f---92199427846.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=mozart+effect+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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