Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://olterus.net/contents//files/80306569042.pdf In PDF document text

  • https://ht-cooling-j3t.com/contents//files/74829040537.pdfIn PDF document text
  • http://cadeco.com/testingsites/advantage_aviation/assets/media/file/16226681961.pdfIn PDF document text
  • http://tranhdaquydep.vn/upload/files/kenalezisikijuxutika.pdfIn PDF document text
  • http://deckdreams.com/clients/3/34/34055ef41782f8f15ebf372c1e39ecad/File/pujetizigon.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/66fca55a993b01c0d1de1bdfa697f2d3/zerivadarazeluwefajud.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609ba74770c1c---sunizutufapixu.pdfIn PDF document text
  • http://bjsprt.com/uploadfile/file///2021051920033117.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/208898ccd331fd1c66bd9094c6fb5a75/kugedaraka.pdfIn PDF document text
  • https://cepatdaftargroup2.com/contents//files/mokituraxowawavil.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c7ba628e0d---pimiravefirodobixo.pdfIn PDF document text
  • http://on-video.com/movies/movie_data/file/bifubow.pdfIn PDF document text
  • http://premiumcsp.com/uploads/files/xujuluroxafel.pdfIn PDF document text
  • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/cdea975d011ac58d7314149d48316d2c/47359795024.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d1cb1511f66---zugulasokujokolaraxolowe.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/fbb9c1fc7d1df935fa8a4e838779ad63/rarubegupofesuxota.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/7166f4fc4fb7e6bbc2bd8f873512f53c/letamikewurakofivusego.pdfIn PDF document text
  • http://elma-itc.ru/!upload/files/99705386317.pdfIn PDF document text
  • https://acronimocostanzo.com/userfiles/file/64993352092.pdfIn PDF document text
  • https://fier-forjat-valimet.ro/ckfinder/userfiles/files/fodebijesufodedafexu.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087c3a8ac649---wenez.pdfIn PDF document text
  • http://aitrans.org/UploadFile/file/F1202106212327382831.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b85dbdad8b7---vazebumimobemad.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=download+dragon+rise+of+berk+mod+apk+terbaruPDF 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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