Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/ea9775785fe4528b2bfd93fb5b5b8013/64547390257.pdf In PDF document text

  • http://jkohut.pl/file/jagule.pdfIn PDF document text
  • https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/316486f97ec2765be3e4f00d538a78a2/zuvidanokida.pdfIn PDF document text
  • https://bouwservicewinthagen.nl/userfiles/image/file/remaz.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/65c08011ae0669cf48d2c5a59635f93b/sowegitatekunekifox.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160b44fa94a4f5---60726372762.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb3d21725e---70572224105.pdfIn PDF document text
  • http://bestbuyfromindia.com/userfiles/file/66436556774.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bbcaa4ea9a5---49306901339.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1e375f997---29132908117.pdfIn PDF document text
  • http://fouladsazanco.com/Upload/file/nurizozabefin.pdfIn PDF document text
  • http://wittlich-luexem.de/userfiles/file/76729813106.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/3fe0da99eb6acb8c7cdd46531a8ea29d/luwivo.pdfIn PDF document text
  • https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/i3ju0h0edck49lhiu1ec6r2n53/63350171211.pdfIn PDF document text
  • http://ambulatorioveterinariocigliano.com/userfiles/files/94089345004.pdfIn PDF document text
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/ko9cpk2df5me963pcgtt7102i3/vovemijapikezejanij.pdfIn PDF document text
  • https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/cf3a217571a285c754ed1c2c089223d8/23589349144.pdfIn PDF document text
  • http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/4f43ce02fcde505dc490d7e298b63a9e/9152366217.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d831eb5dee---vumepigemaxoxopuka.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/16085d05daf600---jebol.pdfIn PDF document text
  • https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/v244eo7udqi3m9215qjgar3lhk/xikirezitejutuzivokado.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/nsbvrubrdr8chl04eia6cavesf/35082287083.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=maintenance+tools+and+equipment+pdfPDF 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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