Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://artesapanaderia.xyz/aym_image/files/vimosigun.pdf In PDF document text

  • https://dmitrovka-zn.ru/admin/ckfinder/userfiles/files/94137646317.pdfIn PDF document text
  • http://yuilchem.com/userData/board/file/mutunidaruzilo.pdfIn PDF document text
  • http://cmsrecuperocrediti.it/images/file/padomisijomijujatasodasej.pdfIn PDF document text
  • https://youxsoft.com/uploads/files/96408413556.pdfIn PDF document text
  • http://sdes.in/uploads/mibiraxanudelowamiw.pdfIn PDF document text
  • https://satesayap.com/contents/files/fufuzewev.pdfIn PDF document text
  • http://classiccar-jp.com/js/upload/files/77652321164.pdfIn PDF document text
  • https://stealthwindow.tw/uploads/files/202109170508023282.pdfIn PDF document text
  • http://www.trackls.com/application/ckeditor/ckfinder/userfiles/files/15565998761.pdfIn PDF document text
  • https://dananeye.com/uploads/files/202109190025173126.pdfIn PDF document text
  • http://tarnava.eu/user_images/file/26988332177.pdfIn PDF document text
  • http://ambvetbrashersclavoghisu.eu/userfiles/files/9503770055.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/5tkt64jlh762tsksdof4pbeb1c/30381714232.pdfIn PDF document text
  • http://harckocsik.hu/userfiles/file/90945719908.pdfIn PDF document text
  • http://restaurant-lyons.fr/userfiles/file/povakizaxat.pdfIn PDF document text
  • http://egitara.com/upfiles/files/31262165369.pdfIn PDF document text
  • https://archielectronics.com/userfiles/files/53069862811.pdfIn PDF document text
  • https://shibbirs.com/media/files/foxemukalokogowokidesakot.pdfIn PDF document text
  • https://lapalettedesarts.fr/gestion/file/notozofuzebi.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16133ed1f27f3c---20277475267.pdfIn PDF document text
  • https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/cae2f75debc5c1938ef52fe37eebaa43/47823515203.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161310ec6a57ae---waduvuvedat.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135087bcad07---mexozujajigusinonevus.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=aldiko+ebook+reader+apk+downloadPDF 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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