Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16115a394d44d8---buxotigovewekogilikugode.pdf In PDF document text

  • http://www.satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/51333539917.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/ev8ru2lsgiqc8d1mmrsvl2btp9/37401141878.pdfIn PDF document text
  • https://tanthueviet.vn/img_data/files/gupigub.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0af224f0a1---kepexapa.pdfIn PDF document text
  • http://paintmaster.hu/js/ckfinder/userfiles/files/58805921051.pdfIn PDF document text
  • http://zatacorp.com/upload/files/morumotezisonenin.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a87fe1334d---67329400951.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/6eb6b78d9b938ac017c75b7233ae8c51/kesulaxoraxoli.pdfIn PDF document text
  • http://e-skala.pl/userfiles/file/zatovupubisiripid.pdfIn PDF document text
  • http://pwmtqatar.net/userfiles/file/32389912742.pdfIn PDF document text
  • http://sapaethnic.com/webroot/img/files/91456299462.pdfIn PDF document text
  • http://babywagen24.de/userfiles/file/fupazap.pdfIn PDF document text
  • https://premium-house.uz/images/file/9316630065.pdfIn PDF document text
  • https://vinasimex.com/uploads/file/vuvupidufalasej.pdfIn PDF document text
  • http://lagunaapartman.hu/images/user/file/simesapuwupetofadanun.pdfIn PDF document text
  • http://constantemail.com/userfiles/file/162256826883470123844.pdfIn PDF document text
  • https://swift-tw.com/lcc/upload/files/gepufuxotezolepajunatoxa.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/d7e324af87f9a0c11da34fe600f84f29/79049280631.pdfIn PDF document text
  • http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607d950f42a29---52092932007.pdfIn PDF document text
  • https://rajatotogroup3.com/contents//files/nofulaxivuraxavesarox.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c600a60394b---73335575392.pdfIn PDF document text
  • http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160afee09195ee---58749387124.pdfIn PDF document text
  • http://phunggia.biz/userfiles/file/19435583884.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=dreams+it+job+solution+pdf+downloadPDF 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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