Malicious PDF — malware analysis report

Heuristics 9

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
  Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
• 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.
• 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://messianic.live/wp-content/plugins/super-forms/uploads/php/files/66262337a6d8a43650a2e29792f086fb/18849930537.pdf

  • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1607bcdeaa35d3---remaxuxazisolilawona.pdf
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b97d425d10b---newegodapesevozivan.pdf
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a704e67ea00---liboxapepifowu.pdf
  • https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/0f2kmvb3tsrupeupgtjv4tdgne/43464963828.pdf
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8164924620---tefenijirufukidikusup.pdf
  • http://np-laser.com/upload_fck/file/2021-6-24/20210624055659820774.pdf
  • https://hophamthaibinh.com/upload/files/wuxokikowinetoburimazape.pdf
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086742fabb31---tarigagedifapotumu.pdf
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a39aa9ce3c.pdf
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/0253d6bcb7b09c513eff58b48475bf06/36208723621.pdf
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/eb4f6954bfb9f3e932a71594d9148533/7861872919.pdf
  • http://hobbstownis100.com/clients/6/66/66141d04a4341350d76ae3a38785cb5a/File/vazanirukatixigubitez.pdf
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160821bff4545c---dalofiziwenubos.pdf
  • http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16077676738a75---kuvit.pdf
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a78f83c2b2---64228713816.pdf
  • http://www.ascendercorp.com/
  • http://www.ascendercorp.com/typedesigners.html
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=super+mega+crossword+nyt
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://scripts.sil.org/OFL

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