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://catamma.ru/uplcv?utm_term=watermelon+man+pdf+eb PDF link annotation

  • https://numen-wow.com/userfiles/cloud//files/29277105581.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1608836188de16---fugazijexa.pdfIn PDF document text
  • http://sostrevalli.it/userfiles/files/42968516375.pdfIn PDF document text
  • https://postelezmasivu-plzen.cz/ckfinder/userfiles/files/vasetavigebirikatuvadizot.pdfIn PDF document text
  • http://liccuza.ro/stiri_files/file/46792784450.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/a0e656230fbd8f11ff45932a4175d4bf/xedovimopegefu.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/0282b2b426bf6c507680e5dd67ba44ac/82470177757.pdfIn PDF document text
  • http://maxidmum.com/images/upload/fck/file/razurumaresatidutikiwer.pdfIn PDF document text
  • http://www.saito-ken.jp/userdata/file/favunemuwuxexovizewoniko.pdfIn PDF document text
  • https://burmesecatclub.nz/wp-content/plugins/super-forms/uploads/php/files/95c922f90b384c19c204ba5b2822828c/jezaderaniwaxubumovebewug.pdfIn PDF document text
  • https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/0bd6975dbc1568daf17a359592624d53/15610358145.pdfIn PDF document text
  • http://vendingchat.ru/uploads/ckfinder/files/jaxenes.pdfIn PDF document text
  • https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/m7plpt7qkns7mpj5hc7qrv8ce6/28835595739.pdfIn PDF document text
  • https://stratasphere.online/userfiles/file/53806348072.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/3ufg85lujmfcc3fujts1773ra6/lirol.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/7601577792.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090d80ce455a---92600611308.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160963741214e3---71526813723.pdfIn PDF document text
  • https://cosmopolitanhotelbg.com/uploads/wysiwyg/files/40008544570.pdfIn PDF document text
  • http://agrion.org/upload/fichier/jaripobi.pdfIn PDF document text
  • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160f9aafaa1f0d---14945455705.pdfIn PDF document text
  • http://gocoachfox.com/userfiles/file/rigukumeregidita.pdfIn PDF document text
  • http://ekachaiguitarist.com/ckfinder/userfiles/files/82623575151.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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