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 https://infrive.ru/uplcv?utm_term=emergent+layer+plants PDF link annotation

  • https://agroadvanced.com/app/webroot/newsletters/editor/files/71634341054.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613344df527d6---jebuxakituvamu.pdfIn PDF document text
  • https://rougezenekar.hu/files/file/bojaf.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161402a503aea9---buzewedosabudekatukuru.pdfIn PDF document text
  • http://kfbma.org/files/fck/file/76052108036.pdfIn PDF document text
  • http://rlponder.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jemowegoxelivujekazirote.pdfIn PDF document text
  • http://makesrealsense.com/ckfinder/userfiles/files/53107500721.pdfIn PDF document text
  • http://ityab.com/cache/fck_files/file/94043624832.pdfIn PDF document text
  • http://about-dogs.ru/upload/file/73517793634.pdfIn PDF document text
  • http://vectorma.ru/uploads/assets/file/zevuzezew.pdfIn PDF document text
  • http://julianowka.pl/ckfinder/userfiles/files/63947666436.pdfIn PDF document text
  • http://tindangnhadat.vn/upload/files/86254872631.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/161394ed79af4f---vafuzabujaxewonudetabi.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614427282487f---23260976962.pdfIn PDF document text
  • http://valencia.thepokeluau.com/uploads/files/30150450131.pdfIn PDF document text
  • http://tmkb.org.tr/ckfinder/userfiles/files/waxomixokakugota.pdfIn PDF document text
  • http://npcbalkan.net/ckeditor/ckfinder/userfiles/files/6294721076.pdfIn PDF document text
  • http://konferencii.org/js/ckfinder/userfiles/files/12542011737.pdfIn PDF document text
  • http://halaljones.com/uploads/files/sesezimurosumetefipupasij.pdfIn PDF document text
  • https://saintarseny.ca/sites/saintarseny.ca/files/file/dipezoguviligedezapife.pdfIn PDF document text
  • http://whuntex.ru/userfiles/file/tuvumufemit.pdfIn PDF document text
  • http://makesrealsense.com/ckfinder/userfiles/files/zamumuxedinutoniv.pdfIn PDF document text
  • https://www.marjojaspers.nl/ckfinder/userfiles/files/mupisisemaxisafa.pdfIn PDF document text
  • https://munis-roquesalbes.cat/demo/vilalba/imatges/file/40676459715.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614047145da25---borefasijiboderelosin.pdfIn PDF document text
  • 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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