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 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://archism.ru/uplcv?utm_term=how+to+clear+download+manager+cache+on+android PDF link annotation

  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/2e7ac7e9c713c6568bd1ad768ecfa909/92862989249.pdfIn PDF document text
  • http://autofactory-jin.com/js/upload/files/94896989376.pdfIn PDF document text
  • https://holyfamilyhospitals.com/ckfinder/userfiles/files/75417168854.pdfIn PDF document text
  • https://rowadalbyt.com/userfiles/files/50695398013.pdfIn PDF document text
  • https://apexsafetyproducts.com/ckfinder/userfiles/files/nipufuxapuxoji.pdfIn PDF document text
  • http://imhome-listings.com/userfiles/files/1262744838.pdfIn PDF document text
  • http://15441707.com/data/board/file/20210910043044.pdfIn PDF document text
  • http://ettorebelfioreliutaio.it/userfiles/files/somugowejivit.pdfIn PDF document text
  • http://lamekatus.com/uploads/ckeditor/files/baxetirujex.pdfIn PDF document text
  • https://santevita-bg.com/ckfinder/userfiles/files/63203177348.pdfIn PDF document text
  • http://tzoetemondje.be/uploads/files/26736749756.pdfIn PDF document text
  • http://oroblupiscine.it/userfiles/files/78918834751.pdfIn PDF document text
  • http://csc0532.com/userfiles/file/20210904062716_4u9904.pdfIn PDF document text
  • http://khamtribacninh.com/images/files/56650424773.pdfIn PDF document text
  • http://ryukatsu.com/userData/board/file/wutudowid.pdfIn PDF document text
  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613939145feb4---93201061475.pdfIn PDF document text
  • http://anshan56.cn/userfiles/file/1631693835117453842.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c8f446807a---xosinipifadegebasewafibu.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a836f8464e04d41bfcf97f1cddb9fc4d/lejinomoni.pdfIn PDF document text
  • https://suksesunited.com/contents/files/12439572062.pdfIn PDF document text
  • https://alutat.com/data/file/damoxolodaxubawafumovin.pdfIn PDF document text
  • http://ingmontagna.com/userfiles/files/8296445769.pdfIn PDF document text
  • http://bwemfjhjk.friend-match.com/upload/files/49100182402.pdfIn PDF document text
  • https://birsamundapark.in/userfiles/files/22218793043.pdfIn PDF document text
  • https://52fantasies.com/home/holly/public_html/ckfinder/userfiles/files/58969775728.pdfIn PDF document text
  • http://lenosada.sk/editor_uploads/files/78971949767.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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