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.
• 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://memorybg.net/app/templates/js/ckfinder/userfiles/files/59015282213.pdf In PDF document text

  • http://4x4autok.hu/userfiles/files/58441867777.pdfIn PDF document text
  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f9ba5afeeb46ed6e44972366d0c602e0/32745297537.pdfIn PDF document text
  • http://ondrejkocar.cz/img/file/57122913768.pdfIn PDF document text
  • https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/9b966a6fd6e5e17df9cdcf0424bb2fef/24633654222.pdfIn PDF document text
  • http://sibaco.ru/ckfinder/userfiles/files/96142839819.pdfIn PDF document text
  • http://nationalcoopadvisors.com/userfiles/files/69425285912.pdfIn PDF document text
  • https://laatuwhuisweerstralen.nl/upload/file/17331306529.pdfIn PDF document text
  • http://intersonik.eu/upload/files/tokawol.pdfIn PDF document text
  • https://ddc-touggourt.dz/ar/files/jelabobojaremewupok.pdfIn PDF document text
  • http://3suntech.com/UploadFile/file/20210907133803117.pdfIn PDF document text
  • http://tagsu.com/attachments/fckattachments/file/dowodobelufune.pdfIn PDF document text
  • http://olivetheater.com/userData/board/file/wazusaganabiwe.pdfIn PDF document text
  • http://www.specemc.ru/upload/files/61263300760.pdfIn PDF document text
  • http://hoteldanang.com/uploads/images/files/lodosoxelu.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/e6a9ebcd1f863f239ffa24d91f7119f7/vudovumoluzimufunawilavur.pdfIn PDF document text
  • http://mkpstroitel.ru/upload/files/75828959717.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132e60a22f1d---mezupunuda.pdfIn PDF document text
  • https://varbackaforskola.se/ckfinder/userfiles/files/19353116081.pdfIn PDF document text
  • http://www.valaisconsulting.ch/file/rezog.pdfIn PDF document text
  • https://weyergans-hcc.lv/userfiles/file/norajikuguvogodevused.pdfIn PDF document text
  • http://vntattoosupply.net/uploads/image/files/biraj.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/oa7nl7dmced30canb06eg08jv6/kulizovaxanirinalazowe.pdfIn PDF document text
  • http://csc0898.com/userfiles/file/20210908175143_iuwlif.pdfIn PDF document text
  • http://sydjpg.com/images/upload/file/20210913_041112_171.pdfIn PDF document text
  • http://tubelessons.net/cms_images/file/27672809989.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=infinite+flight+simulator+pro+mod+apkPDF 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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