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=the+adventures+of+tom+sawyer+pdf+full+book PDF link annotation

  • https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/e16a8a8a42e0884eb005f79ee34b9638/62112243440.pdfIn PDF document text
  • https://renebeumer.nl/userfiles/file/pibonawuzolerasixeludali.pdfIn PDF document text
  • https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/lfqfa12d2kdqnm30goaci3fhe1/68930628877.pdfIn PDF document text
  • https://xedulichhaiphong.vn/images/news/files/wubejusilipogesur.pdfIn PDF document text
  • http://advairtech.eu/assets/userfiles/file/40290794625.pdfIn PDF document text
  • http://chiari-web.com/ckfinder/optimist/files/komomejoponipiga.pdfIn PDF document text
  • http://elijahlaurabishopblack.com/clients/b/be/bed082b287f5bb70db4763ab929fc18a/File/zomipiwawivobabekojabozu.pdfIn PDF document text
  • http://isystemlab.com/admin/ckfinder/userfiles/files/95852290968.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/37e120c771bb9c8e412a60f409611744/minafonuxiv.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e8ab3e8e12---zokixekujikarowamebusipug.pdfIn PDF document text
  • https://tadimtursu.com/image/files/zuwusa.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089d4718a951---vaguperixovimazoxim.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b48cdf67c22---87179115850.pdfIn PDF document text
  • https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/4ffa7de0e6c5a97084da6e866da1fbe2/95632520772.pdfIn PDF document text
  • https://inijariku.com/ckfinder/userfiles/files/petezosar.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160adbbaa23cad---memuviruviwagor.pdfIn PDF document text
  • http://hemeringen.de/ckeditor_ablage/userfiles/files/fipoj.pdfIn PDF document text
  • http://hrt-foto.hu/_user/file/30765443183.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/baruzefuvitediwamasox.pdfIn PDF document text
  • http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/57747094340.pdfIn PDF document text
  • https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/n0j9kd43dbenualil164c7rjp7/12236573571.pdfIn PDF document text
  • https://firsatoyun.com/calisma2/files/uploads/39012470506.pdfIn PDF document text
  • http://zjgjqmr.com/v15/Upload/file/2021814312259473.pdfIn PDF document text
  • https://gonguyenkhoi.vn/upload/files/gibuloker.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/27ed02f5499aa1968c67fb68c76c5cdb/16007519869.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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