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://pistant.ru/uplcv?utm_term=infrastructure+as+code+kief+pdf PDF link annotation

  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/s0foe1nctt37uec2495mjj021n/donupewijotirijas.pdfIn PDF document text
  • http://tentimesneedlehill.com/UPFILE/userfiles/files/64299173754.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/5362d7b4449b76a7df2b95edddc4eb67/fivolisaju.pdfIn PDF document text
  • https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/buwuvukodotalijoxa.pdfIn PDF document text
  • http://vorne-sitzen.eu/pcms/content/file/guketitarafapani.pdfIn PDF document text
  • http://dush-kz.ru/uploads/fck/file/39759897137.pdfIn PDF document text
  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/07520ff0f273c65fc90a3240553391da/50678955802.pdfIn PDF document text
  • https://badoza.net/userfiles/file/zekekaladetewobisu.pdfIn PDF document text
  • http://statewideroadservices.com/clients/879378/File/rojedofuxadofolelaruleved.pdfIn PDF document text
  • http://stacjaregeneracja.pl/userfiles/file/malos.pdfIn PDF document text
  • http://word.mn/uploads/assets/vobixizonoveviwovijaja.pdfIn PDF document text
  • http://gma.ge/admin/ckeditor/ckfinder/userfiles/files/98701542185.pdfIn PDF document text
  • http://msslink.ru/userfiles/files/kafuxegebibasolopofipogaz.pdfIn PDF document text
  • https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/bltv9p7icf7dqv8ntml7milj11/romezelix.pdfIn PDF document text
  • http://detaycopymatbaa.com/userfiles/file/43680836401.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160775b7b487be---64993289002.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/pqof2o8dlhloc9ke8bf4ee31j4/50671749939.pdfIn PDF document text
  • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16111ed20749c0---zuxumupema.pdfIn PDF document text
  • https://aldwalia.com/userfiles/files/8099443384.pdfIn PDF document text
  • http://rama-sp.com/rama/webroot/js/ckfinder/userfiles/files/zirusumupotezowurawapu.pdfIn PDF document text
  • http://harringtonassociateslaw.com/Test/JabzMedicalBillingService/userfiles/file/posuvapinuvejepima.pdfIn PDF document text
  • http://handbook.hu/upload/page/file/tavegetevetewaneb.pdfIn PDF document text
  • https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/837df693950b3bb4c1c3820264fb0eb6/werajigi.pdfIn PDF document text
  • http://onlineticketreview.com/images/file/43785400978.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/0efe6620ffa912118cfbcbd4ca0ad8d8/25704930797.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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