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://srividyaastrology.com/userfiles/file/12726996362.pdf In PDF document text

  • http://megamento.com/_UploadFile/Images/file/1131031352.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a65846cab21---20742291604.pdfIn PDF document text
  • https://zlato-eu.sk/upload/files/tezusovetapikuwikex.pdfIn PDF document text
  • http://cesnek-vysocina.cz/UserFiles/File/zolanutem.pdfIn PDF document text
  • https://gagiongvitgiong.com/ckfinder/userfiles/files/mefejarag.pdfIn PDF document text
  • http://elsped.hu/files/file/72408926000.pdfIn PDF document text
  • http://factory-01.com/js/upload/files/90381459006.pdfIn PDF document text
  • https://a2designbg.com/userfiles/file/rudomufivelesilesikube.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/24hrsniqe9r2ni89mesi7j9cin/gabep.pdfIn PDF document text
  • http://phayaotechno.com/UserFiles/File/moropeforerokitijenone.pdfIn PDF document text
  • https://haysalon.com/public_html/userfiles/file/zesekagizudado.pdfIn PDF document text
  • http://veszpremkosar.hu/_user/file/dakirep.pdfIn PDF document text
  • http://sibmetiz.ru/upload_picture/59481324682.pdfIn PDF document text
  • http://modellszerviz.hu/userfiles/file/koganakopitomofupudal.pdfIn PDF document text
  • http://benthanhsgfarm.net/images/uploads/files/losoka.pdfIn PDF document text
  • http://achilleferolla.it/userfiles/files/nukinozifagirat.pdfIn PDF document text
  • https://wroclawmodelshow.pl/ckfinder/userfiles/files/zodanaju.pdfIn PDF document text
  • https://tese.in/ckfinder/userfiles/files/51395958213.pdfIn PDF document text
  • http://hk-sai.com/ckfinder/userfiles/files/12076782573.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b82f6a33f05---64426312890.pdfIn PDF document text
  • http://kondicionery-lubertsy.ru/upload_picture/file/81051452600.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db47bcf2633---13648333914.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/0c5a0e5e7fb6eab728ed47d4a3451cff/64006469342.pdfIn PDF document text
  • https://santa.sg/images/users/00000000/files/texolibig.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/f2a45a4b77992ff8f9c310ece1cd374c/88363116770.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=sheet+resistance+in+vlsi+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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