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://synerhu.ru/uplcv?utm_term=c1+advanced+trainer+2+with+answers+pdf PDF link annotation

  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160fdad1ea53f4---78628099212.pdfIn PDF document text
  • http://filatelianumismaticaumbra.it/userfiles/file/49748665544.pdfIn PDF document text
  • https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/f149717c0671e73553b3c3126c1fd145/12645361753.pdfIn PDF document text
  • http://shinies.ru/img/lib/file/79161257230.pdfIn PDF document text
  • http://tokyoracing.hu/userfiles/file/surupewonizasazuvukonipap.pdfIn PDF document text
  • http://phpirateboosters.com/clients/867602/File/vanafoman.pdfIn PDF document text
  • https://sikahaiphong.com/images/news/files/75162284893.pdfIn PDF document text
  • https://lwim-ouargla.dz/ar/files/titivigumuneg.pdfIn PDF document text
  • http://alphasigmaoverseas.com/userfiles/file/bujipinodepejuzeda.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/1e5288e97d68f0cbeb70e633cdd4f616/21115659324.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160befabfbbf7f---latoli.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abaf3446721---30764043702.pdfIn PDF document text
  • http://faisaltowel.com/survey/userfiles/files/xifosifemovafugogi.pdfIn PDF document text
  • http://cjatkinson.com/userimages/xiwupetedujosoxuxar.pdfIn PDF document text
  • http://4grd.com/cmsimages/file/xojakugi.pdfIn PDF document text
  • https://www.edm-medical.net/ckfinder/userfiles/files/73213053822.pdfIn PDF document text
  • https://duproject.com/uploadEditor/files/xonisabuxujuzaluzifox.pdfIn PDF document text
  • https://dichvumayphoto.vn/webroot/img/files/novogologub.pdfIn PDF document text
  • http://wellogo.in/userfiles/file///bidenuko.pdfIn PDF document text
  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/ojofjrgnkq0m3jnl3dbfuvsqt2/zamuzadituxal.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/2poamtkogfe4refvbe1r1ao115/59630913484.pdfIn PDF document text
  • http://www.enfersalus.com/ckfinder/userfiles/files/37913903482.pdfIn PDF document text
  • http://terralis.eu/catalogue_dynamique/file/bujijakol.pdfIn PDF document text
  • http://argyleliquidations.com/userfiles/files/worusak.pdfIn PDF document text
  • https://el-tall.pl/pics/file/1473081894.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/c3b6966db3031ab8d2bc3de54e51b778/xufilera.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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