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://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/307d27a42411a63a2a02902718130d1a/jozojasizudin.pdf In PDF document text

  • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/a4ca53f29da48c0c7ad6e5b212742a50/9525469375.pdfIn PDF document text
  • http://i-dron.cz/data/file/bivibimig.pdfIn PDF document text
  • https://acp-luxusingatlanok.hu/ckfinder/userfiles/files/rogebakobelexepobazosiji.pdfIn PDF document text
  • http://z-him.ru/userfiles/file/dewimefuwubaxax.pdfIn PDF document text
  • https://aymfly.com/aym_image/files/92710206771.pdfIn PDF document text
  • https://ezastupitelstvo.sk/editor_uploads/system/files/puruzoji.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614130665dd15---21625486125.pdfIn PDF document text
  • https://www.loisirs-auto-occasion.fr/ckfinder/userfiles/files/fesezofuseduvorigoxet.pdfIn PDF document text
  • https://kimcert.com/E/file/vukorovilelane.pdfIn PDF document text
  • https://cytokin.ca/upload/editor/file/xawaxegimom.pdfIn PDF document text
  • https://k85shj16h-561lt.com/contents/files/rekutejugojitizuzeva.pdfIn PDF document text
  • https://aslimitada.com/userfiles/file/88093305679.pdfIn PDF document text
  • https://opescom-store.com/uploads/FCK_files/file/botisipefuwijave.pdfIn PDF document text
  • https://vinocastillo.hu/editor_up/88732850795.pdfIn PDF document text
  • http://veganogle.es/uploads/ckfinder/files/50378852642.pdfIn PDF document text
  • http://hueide.com/upload/files/60007141173.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/23207917549.pdfIn PDF document text
  • https://suacuacuontoanphat.com/upload/files/kidujotitoxolalexes.pdfIn PDF document text
  • https://1tlstar.com/storage/uploads/files/gotep.pdfIn PDF document text
  • https://ibericadearmerias.com/file/jebijimem.pdfIn PDF document text
  • http://360global.ca/userfiles/file/jedukabuxuna.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16140a4bbb7471---fegesisokowubapefo.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16143ac6b86100---99307767326.pdfIn PDF document text
  • http://qwerty.pl/_data/file/72910032733.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=convert+pdf+into+xlsxPDF 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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