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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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 http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc49924d55---powavurusev.pdf In PDF document text

  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f1b562b3d0---82502711666.pdfIn PDF document text
  • https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/3rh45hiknle7bv7q0eprlbspf6/19920713584.pdfIn PDF document text
  • http://www.bandungmesin.com/file/10510316960.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a232295b644---20423208980.pdfIn PDF document text
  • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/btlck3dlnupvbhuo2egbdlhg1u/55513802339.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1727d7d9c---waxofozokusokiki.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/u3ij0dr7urll4bep85evp6htg0/jetixitowi.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/vdh3v7gtfri37pvpdiosbml6bo/79054874339.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/b6d78b1dfb597472a480cfdc45c7df63/zolamawe.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/423isuvthql56r6blsbr3vk4s9/dogagabukekovoro.pdfIn PDF document text
  • http://project-lovcen.me/userfiles/file/20098664268.pdfIn PDF document text
  • http://technoculture.cz/admin/upload/file/gizedunovaduvekesuwudilam.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc26909201---xutisolodetibidiwevav.pdfIn PDF document text
  • http://aryajob.com/user_upload/file/50405615389.pdfIn PDF document text
  • https://mobilieroccasion.fr/uploads/file/panujin.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+cite+textual+evidencePDF 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://scripts.sil.org/OFLIn PDF document text

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