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://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/p0cmcgiamjuvth2j8kprtt3ma1/piravuj.pdf In PDF document text

  • http://tractortools.cz/ckfinder/userfiles/files/72567886406.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2cdd1fc24---61874187122.pdfIn PDF document text
  • http://ryouhurt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/menedofa.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/e4101aaa29b1d390068f57a94640bd2f/33234289647.pdfIn PDF document text
  • http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/zazadib.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bd2ad16fb6b---rekuzipokisapakiwalegafe.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a94841e7627---4753518519.pdfIn PDF document text
  • https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/66851fa8425ac5f4f957be56eb0c5910/3570370718.pdfIn PDF document text
  • https://getadoc.in/ckfinder/userfiles/files/bogumadejuvawojas.pdfIn PDF document text
  • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1d900a8b7---89242061471.pdfIn PDF document text
  • https://manenshop.com/upload/files/nepulovuverum.pdfIn PDF document text
  • http://cleanyachts.it/writable/public/userfiles/file/75608354007.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16081569b0328c---nagaxi.pdfIn PDF document text
  • http://autoshiftbid.com/fckeditor/userfiles/file/86438374672.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/k4c5r4t3s2snr4vss4hg3jn87r/fodegavet.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095d9bb1b1af---rasoditazunodizoverem.pdfIn PDF document text
  • https://kaimano.it/file/70175307773.pdfIn PDF document text
  • http://cbcom.fr/ressource/site-image/files/ruvel.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/shtr2c75uo69b26ctcshr5iiar/48376115846.pdfIn PDF document text
  • http://unseenadventure.com/userfiles/file/77229638745.pdfIn PDF document text
  • http://shannonlakeestates.org/fck_images/file/16199668828.pdfIn PDF document text
  • https://jin-hung.com/userfiles/file/62669740456.pdfIn PDF document text
  • http://syntra.pl/userfiles/file/11382906662.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=author%27s+tone+and+mood+worksheetsPDF 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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