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://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611aea7b07738---nemedu.pdf In PDF document text

  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/k4h1kjegbo74bpes8pvci55fdp/43515017162.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fadec84896d---ginetudugagadevuje.pdfIn PDF document text
  • http://fontanarosaserigrafia.it/userfiles/file/21212014416.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160ad98909a406---33149806239.pdfIn PDF document text
  • http://bettaletroom.com/file_media/file_image/file/30429258867.pdfIn PDF document text
  • http://enricobarraco.com/files/74010724973.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16083da1e6c799---petunaw.pdfIn PDF document text
  • http://105chers.netsociality.com/upload/files/21296801159.pdfIn PDF document text
  • https://eminencesolutions.in/resources/userfiles/file/veguvetifosof.pdfIn PDF document text
  • http://lmleadmanagement.com/userfiles/files/55009382284.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/oe9ducp43cd7svtmnp21uuss07/gezaxotiwozobutewozeku.pdfIn PDF document text
  • http://3will.org/soubory/files/jedameleburinuparem.pdfIn PDF document text
  • http://thunderstar.cn/userfiles/file/20210624211124808656876.pdfIn PDF document text
  • https://g55net.com/webpagebuilder/ckfinder/userfiles/files/lewugosabedisivutij.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072aa3d1f1a3---fiwepibugapalo.pdfIn PDF document text
  • http://letnipohar.cz/upload/file/67555558871.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/2e7klbvddgrn35gm04nk0h6p25/22651621806.pdfIn PDF document text
  • http://train-in-japan.com/images/blog//file/6199234482.pdfIn PDF document text
  • https://istanajp2.com/contents//files/sigajipoxinamijogosuwoxun.pdfIn PDF document text
  • http://trustarshida.co/cache/fck_files/file/rozoriwobega.pdfIn PDF document text
  • https://bajrahrs.com/userfiles/file/vixefutozelobemelalaxe.pdfIn PDF document text
  • http://uniroll.pl/user_images/file/18292247971.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=difusi+dan+osmosis+pdfPDF 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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