Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://pistant.ru/uplcv?utm_term=physicians+desk+reference+2017+pdf+free+download PDF link annotation

  • http://charivne.info/images/file/71939686839.pdfIn PDF document text
  • http://pogotowienaukowe.com/Upload/file/dusadadotamutebuk.pdfIn PDF document text
  • http://ipublicity.cz/data/file/wowedurikuduwoje.pdfIn PDF document text
  • http://cck-brno.cz/ckfinder/userfiles/files/pividonuzevetojiv.pdfIn PDF document text
  • https://allcreaturesinc.com/files/files/ditarunonifika.pdfIn PDF document text
  • http://emons-verlag.net/testarea/cwsCMSlight/media/files/26578306946.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609424bb568d6---26194212289.pdfIn PDF document text
  • http://faurerom.com/userfiles/file/dujalizevikilukizu.pdfIn PDF document text
  • http://www.darvidproperty.com/news/file/vopofikegu.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/2c180ca61a74b745d7fd7932a17c97b5/70640747756.pdfIn PDF document text
  • http://mt-filtration.com/uploaded/file/496974060bfa206ebd1a.pdfIn PDF document text
  • http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/laluzuwifixupijoboka.pdfIn PDF document text
  • https://pbchistoryonline.org/uploads/file/28795773201.pdfIn PDF document text
  • https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/sqkb78j7n8d9nrf5hotnp73afk/98876864389.pdfIn PDF document text
  • http://studiogiamberardino.it/userfiles/files/93265037369.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/737e51f91daf45a1108bb34c56341a69/govazadem.pdfIn PDF document text
  • https://gites-les-bardots.com/userfiles/file/jimebawofududowivadezomug.pdfIn PDF document text
  • https://red-adlay.com/upload/files/38386481303.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16086a533025d7---24233691073.pdfIn PDF document text
  • https://listapp.in/ci/userfiles/files/panufukunut.pdfIn PDF document text
  • https://www.campacinter.com/image/upload/File/luxakezawamepur.pdfIn PDF document text
  • http://musicandyouapp.com/webupload/editorimg/files/17513807705.pdfIn PDF document text
  • https://incense888.com/uploads//files/202108062200541571.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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