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://allytemp.ru/uplcv?utm_term=how+to+use+tubemate+to+download+videos PDF link annotation

  • https://btsis.com/upload/ckfinder/files/5569211635.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143b92077a1f---77607584934.pdfIn PDF document text
  • http://daedukgs.com/admin/fckeditor/data/file/20210915202922.pdfIn PDF document text
  • http://thuephotocopytaihanoi.com/upload/files/50324220121.pdfIn PDF document text
  • http://tomgiongvip.com/uploads/files/file/17085233205.pdfIn PDF document text
  • https://hainutedecopii.eu/ckfinder/userfiles/files/sefedesivafixaz.pdfIn PDF document text
  • http://vertracapital.com/uploads/files/69181959579.pdfIn PDF document text
  • https://cmfnepal.org/userfiles/files/sosimaxe.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/048cacb38b718d78ab7ee28f54318c0f/2757120486.pdfIn PDF document text
  • http://fantalife.nl/userfiles/file/95593401924.pdfIn PDF document text
  • https://www.sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/4765807403.pdfIn PDF document text
  • http://exosushi.com/uploads/files/75835411066.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/72bv9ei6fr5pi0v193he0k7t54/64857692089.pdfIn PDF document text
  • http://www.cerathai.com/image/upload/File/18317284687.pdfIn PDF document text
  • https://mavachhaiphong.com/upload/files/31835154296.pdfIn PDF document text
  • http://ergakiland.ru/files/files/86967494300.pdfIn PDF document text
  • https://villamishkan.com/310renonew/front/images/files/17380371150.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1613521f956eaf---sosubepivuzamiteneti.pdfIn PDF document text
  • http://www.sushmitamukherjee.com/fckimages/file/46939998720.pdfIn PDF document text
  • http://www.yoko-ono.be/images/userfiles/file/21600341836.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/d3eeefae169f7ed2c4b98dae0575ea88/vovavugudazef.pdfIn PDF document text
  • http://www.pics4us.de/userfiles/file/25204733188.pdfIn PDF document text
  • https://at1apigroup3.com/contents/files/pedunabopukodulu.pdfIn PDF document text
  • https://museuminiaturesbesalu.com/files/38042183995.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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