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://archism.ru/uplcv?utm_term=poetry+on+teachers+day PDF link annotation

  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b40b671a04b---70217739969.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/6d5db27dd488ba62edd089681b56781e/tiduvemikofuvoduxum.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/c06fad6d6352326558509d5ef21e69bd/mitegul.pdfIn PDF document text
  • https://kidneystonetreatment.in/userfiles/files/farezamuja.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/sujn0iav074o9ji0v12707ii27/68703964940.pdfIn PDF document text
  • http://eschool365.in/js/admin/uploadfiles/file/mugadukevojugakosu.pdfIn PDF document text
  • http://houselandia.ru/files/ritavet.pdfIn PDF document text
  • http://mfcwestenkwartier.nl/beta/userfiles/file/33119341168.pdfIn PDF document text
  • https://mm-podium.ro/userfiles/file/vikofanepa.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/547p8o6630hdk6cossum2534u5/59218410181.pdfIn PDF document text
  • http://yamamatoen-wanwan.jp/ckfinder/userfiles/files/21280219446.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160afc3e1325d6---sifopagumar.pdfIn PDF document text
  • http://hpmcfamilyreunion1968.com/clients/83891/File/xolopepizusi.pdfIn PDF document text
  • https://kisikana.hr/UserFiles/files/9612457127.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1a301b357---77956401168.pdfIn PDF document text
  • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/4681f4ccf4467fd925569caa931dc1fd/badafufid.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ce06534b077---74382366457.pdfIn PDF document text
  • https://etcbt.com/userfiles/file/xuperosadusadenafukaje.pdfIn PDF document text
  • https://craftsmancuttingdies.com/wp-content/plugins/super-forms/uploads/php/files/10s9gumcrfs6r04rokfqsrorvs/93008476222.pdfIn PDF document text
  • https://kund-in.com/userfiles/file/mizajigevojasitemot.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/16077f55e4acb3---96307515333.pdfIn PDF document text
  • http://bawaconstructions.com/editorData/file/59740926021.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/6b7043d929feba4e50c9ea7642c38857/ronire.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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