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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://infrive.ru/uplcv?utm_term=abinitio+interview+questions+with+answers+%2B+pdf PDF link annotation

  • https://boucherienabli.com/uploads/FCK_files/file/25048569459.pdfIn PDF document text
  • https://mahae.hu/files/files/buvisivip.pdfIn PDF document text
  • http://go-pxl.com/uploads/files/57062814452.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2ef356ffd3---9164710617.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee1ffe7cb99---bojogatiriporeleminuti.pdfIn PDF document text
  • https://planningpvedh.nl/ckfinder/userfiles/files/rexafiwofux.pdfIn PDF document text
  • https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/wumevabana.pdfIn PDF document text
  • http://futurepoolandspa.com/ckfinder/userfiles/files/5838800243.pdfIn PDF document text
  • http://ausafe.net/images/art/files/dolazeb.pdfIn PDF document text
  • http://archimax.ch/dynamic-images/cms/file/jubidumaga.pdfIn PDF document text
  • http://hyosangjo.com/userfiles/file/20210805132027.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/71998796033.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a43ef57a04---dixuramivaxuguxegamowi.pdfIn PDF document text
  • http://agriturismolataggiasca.eu/userfiles/files/xijupalugikim.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c2c36d64502---napulutoxasesiwomama.pdfIn PDF document text
  • https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608163b8e5439---zovawalejux.pdfIn PDF document text
  • https://universal4shipping.net/userfiles/file/31999080850.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/69d32b012af144d297ad358d558a2b4b/70917345629.pdfIn PDF document text
  • http://aweibel.com/Photo/file/13745905660.pdfIn PDF document text
  • http://honderhotel.com/UploadFiles/FCKeditor/20210812090928.pdfIn PDF document text
  • http://rana-international.com/userfiles/files/zodubofux.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5cccc2ac5c---32535161956.pdfIn PDF document text
  • http://sunnysolutions.it/uploads/assets/file/kabepimutu.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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