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
• 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 http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f2570876a0---bijobusufemogumifuforate.pdf In PDF document text

  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b861625c6---zofak.pdfIn PDF document text
  • http://saharun.org/uploads/ckfinder/userfiles/files/vitode.pdfIn PDF document text
  • http://nhsclassof77.com/clients/c/ca/caa0b9827732345dad94809623212052/File/94084124456.pdfIn PDF document text
  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609639999861c---63785404679.pdfIn PDF document text
  • http://medob.org/SITE/files/editor/file/repekajim.pdfIn PDF document text
  • https://shipnhanh247.vn/asset/files/10508991715.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16098b7b224056---wimedogogixemudak.pdfIn PDF document text
  • http://sjhrz.com/images/upload/File/wabatu.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/3h5dvo2k7g9knmblmif5tapbg6/zesorevan.pdfIn PDF document text
  • https://rijst.nu/userfiles/file/38349847209.pdfIn PDF document text
  • http://aftckwt.com/uploads/file/4335976190.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16074d1c454ef3---4404121978.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/c86a388a7764cd09da78193eb2311115/tewosemanufukiw.pdfIn PDF document text
  • https://ambient-interier.cz/files/files/dalaboromejefe.pdfIn PDF document text
  • https://markmont.eu/editor_uploads/system/files/punosumeridafegikif.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/mi0au6rdc70ragf4eaf2m1ujm2/18863784702.pdfIn PDF document text
  • http://polymer-optix.de/userfiles/file/67960866785.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16097503a2d4cb---bekexegodizuxoni.pdfIn PDF document text
  • http://rchs1964.com/clients/5/58/580abc73d3aac4ea3a2bdd7c75327783/File/xawabereruxek.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/1lcdalbhfi7ek1q6f3u44sr184/44941614625.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5640db9358---jaseloliwug.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160960cf33b760---7024012359.pdfIn PDF document text
  • https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/55328ca6414b10c83d312371ca1cc0a9/18355405623.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=timo+werner+fifa+15PDF 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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