Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://cructi.ru/uplcv?utm_term=assembling+a+pc+step+by+step+pdf PDF link annotation

  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5dfe5c0048---8158745421.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160e968291b0ab---3035597959.pdfIn PDF document text
  • https://flexrocksrollovers.com/wp-content/plugins/super-forms/uploads/php/files/fopalpim89pgbeaq8o348somrm/41938872758.pdfIn PDF document text
  • http://fructusartis.com/i/File/57649821932.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/6765d9cb4645375848472b47449fef5c/38651571216.pdfIn PDF document text
  • http://decorstore.eu/upload/file/wokagigigalobutaka.pdfIn PDF document text
  • https://cuacuonbentre.com/upload/files/vifaf.pdfIn PDF document text
  • https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607abc1d6d260---vijitiraba.pdfIn PDF document text
  • https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/931f68b95950d03986460938f59e6b21/88377389017.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160c483019a516---63044413821.pdfIn PDF document text
  • http://herculesestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/milovojafikutuk.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1611a34e19d506---7820263988.pdfIn PDF document text
  • http://yummyschool.com/_UploadFile/Images/file/nexazavegorozagig.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160921f946a41f---44145872249.pdfIn PDF document text
  • https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/da72bb9ee51464a147e52a24cb33892f/radanise.pdfIn PDF document text
  • http://wsp.pl/userfiles/file/poditobimopipix.pdfIn PDF document text
  • http://dvg.asia/ckfinder/uploadfiles/files/55306069024.pdfIn PDF document text
  • http://gps-tw.com/CKEdit/upload/files/6252566882.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd54491454---rozifego.pdfIn PDF document text
  • http://poltinka.ru/userfiles/file/kodofinefadoxujemekak.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/8aeecb5df2df00149e37d054e06e55c8/60649064823.pdfIn PDF document text
  • https://vibingvibes.com/userfiles/files/84042924103.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/1f14a115f87800fd9cd764d8d3f4ce33/99758312345.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c1c0c0efe7d---wepexarowasu.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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