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
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://nomylo.ru/uplcv?utm_term=mac+os+windows+10+dual+boot PDF link annotation

  • https://terminarz.online/kosmetyczka/krakow/files/17571706761.pdfIn PDF document text
  • https://djennebeads.com/nbloom/fckuploads/file/56689319928.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/c98dadf857a3cf255aa2f5aae90c759a/jimuwezore.pdfIn PDF document text
  • https://smartmedia.ro/app/webroot/files/userfiles/files/8830999892.pdfIn PDF document text
  • http://sh-ruiyangcpa.com/userfiles/file/2021-9///20219210274346.pdfIn PDF document text
  • http://herborgthailand.com/file_media/file_image/file/31489965787.pdfIn PDF document text
  • http://stylekd.ru/files/47926182645.pdfIn PDF document text
  • http://kme-kme.cz/files/file/61139633087.pdfIn PDF document text
  • http://lishasurgical.in/ckeditor/ckfinder/userfiles/files/62491659016.pdfIn PDF document text
  • http://svenskafik.se/uploads/fckeditor/file/90017929000.pdfIn PDF document text
  • http://sgo-bage.com/public/files/files/lifazegugesumumebe.pdfIn PDF document text
  • http://ky-auto.com/uploadfile/files/87847891876.pdfIn PDF document text
  • http://lnyuanzong.com/uploads/files/20210901231954.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/26364e6f22cabb981aee6bd0d3e417de/pulumagopixinowevaxomilo.pdfIn PDF document text
  • http://natur-pet.cz/webpagebuilder/ckfinder/userfiles/files/56877545622.pdfIn PDF document text
  • https://baigiangtoanhoc.com/upload/files/duzarimepaxipebiwipus.pdfIn PDF document text
  • http://yossy.biz/userfiles/file/pizonigikilexa.pdfIn PDF document text
  • https://granitnet.hu/editor_up/tipozijasotixijet.pdfIn PDF document text
  • http://hqshop24.com/userfiles/file/gizoveguwazazezob.pdfIn PDF document text
  • http://chono.mn/uploads/userfiles/files/wufimilinusitetuf.pdfIn PDF document text
  • http://rsport.eu/yonexshop/static/file/fubunatusuwoxifamimer.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/4838d5d6e4de60ad1808e26c1e34b44e/dawebagajizasu.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/161485c99b66e1---87390496664.pdfIn PDF document text
  • http://agroanaliz.by/upload/editor/files/xafevanex.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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