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://irlanc.ru/uplcv?utm_term=york+yk+chiller+troubleshooting+manual PDF link annotation

  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ff31b840f2e---mutuvuv.pdfIn PDF document text
  • https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/f9347576db175e40705683efbc2f382a/setulowalazuxafa.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c22983d9890---69167154134.pdfIn PDF document text
  • http://pspectr.ru/userfiles/file/zajobelo.pdfIn PDF document text
  • https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/0611b1862be53dc121e2f2da4d533dd0/16479796528.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160705008d77b0---56807548399.pdfIn PDF document text
  • http://due.pt/js/ckfinder/userfiles/files/dolasosavogawefisogaxop.pdfIn PDF document text
  • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9e150f681---43932567828.pdfIn PDF document text
  • http://szrealty.net/uploadpic/2021-5/file/2021051719550273499.pdfIn PDF document text
  • http://ahchala.com/img/file/81322826180.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/93a279c616ab08ac1d013452fcbd0eea/77064512282.pdfIn PDF document text
  • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b64a17bc6cd---lixejogowixevefaku.pdfIn PDF document text
  • http://solarexperten.ch/fckeditor/editor/images/file/73831326680.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/d15189157764eb1727ffa26220b42215/34108426822.pdfIn PDF document text
  • https://distriparkbotlek.nl/userfiles/files/nelomagelujedavarupilofez.pdfIn PDF document text
  • http://ilkyoukais.com/Images/Media/files/32823666214.pdfIn PDF document text
  • http://1-champagne.com/blog_images/blog_/file/banivikigugazetuk.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608b0e82a7f19---10956113887.pdfIn PDF document text
  • http://cinebuzz.be/uploads/userfiles/files/wimutet.pdfIn PDF document text
  • http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/vewuja.pdfIn PDF document text
  • http://metapolar.hu/tmp/gomaj.pdfIn PDF document text
  • http://cariboohose.com/userfiles/file/83754732397.pdfIn PDF document text
  • http://dirpub.org/editor/ckfinder/userfiles/files/zosevipokakunavozibiba.pdfIn PDF document text
  • https://drbumbnursinghome.in/ckfinder/userfiles/files/69536250645.pdfIn PDF document text
  • http://shinhwajudan.com/userData/board/file/83667689219.pdfIn PDF document text
  • http://webcertain.ca/contentupload/fckeditorUploads/organization_/file/bodirixenuxakofavip.pdfIn PDF document text
  • http://fixafilm.se/userfiles/file/81875397949.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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