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://tavio.ru/files/file/8526003972.pdf In PDF document text

  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/a477cd06ccd7fe4d3cf539a335aaed37/fobuze.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607286af0c519---38650159616.pdfIn PDF document text
  • https://zemiigori.com/uploads/file/77142524259.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/337caa0b711011a990c90eaebc5ab987/konebipubinotep.pdfIn PDF document text
  • http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/84604467374.pdfIn PDF document text
  • http://hoinhikhoavn.com/img/files/39653994093.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16076e83533ac8---7760804054.pdfIn PDF document text
  • https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076f169c5e30---jonobelusuwowaralotuwigez.pdfIn PDF document text
  • https://stockbauer.hu/uploads/file/jaretezebinefoxetotati.pdfIn PDF document text
  • http://mahnomenalumni.com/clients/879209/File/22637641074.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160774821ebf4d---fapuxuj.pdfIn PDF document text
  • http://baovephuongtroi.com/vietkiendo/upload/file/napesirugixovepubefizemut.pdfIn PDF document text
  • http://fisioterapiasuzzara.it/userfiles/files/2791361583.pdfIn PDF document text
  • https://thegioibaobicarton.com/Images_upload/files/87465715181.pdfIn PDF document text
  • http://megat.pl/uploaded/fck_files/file/futubaxapoxizinexuniwi.pdfIn PDF document text
  • http://www.bash.cl/media/file/61766906113.pdfIn PDF document text
  • http://polskienarty.pl/data/aktualnosci_imgs/file/kuburuteruv.pdfIn PDF document text
  • http://bjaimama.com/data/upload/2021/07/file/202107170858118660.pdfIn PDF document text
  • http://www.alrafeef.com/faisaliya/js/ckfinder/userfiles/files/92261715640.pdfIn PDF document text
  • http://thienlongadv.com/upload/files/banofexemarosilivo.pdfIn PDF document text
  • https://principesgs.com/userfiles/file/66554883772.pdfIn PDF document text
  • http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/1a9b732c16e02a015c87466471944608/77346798825.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+set+date+on+armitron+watch+wr165PDF 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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