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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://coretry.ru/uplcv?utm_term=control+system+nise PDF link annotation

  • https://alakharia.com/public_html/userfiles/file/rijexonidel.pdfIn PDF document text
  • http://richmore.kr/uploadfile/fckeditor/file/62191509750.pdfIn PDF document text
  • http://lukasikgroup.pl/Image/files/fisonekala.pdfIn PDF document text
  • http://tjsijiqing.com/ckfinder/userfiles/files/2021/0810/b08222cb9dcdf8f7eb87f4c7d4bb0e72.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160e79f31e4dca---18577205809.pdfIn PDF document text
  • https://akrmedia.no/ckfinder/userfiles/files/64380500504.pdfIn PDF document text
  • https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/c9cd01152d586618a848cb542e2bdaae/difolus.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/38a7f4db13ecc40546e3153aec30baf1/854664811.pdfIn PDF document text
  • http://haiphongcontest.com/images/files/ludajibozasokezuzixefemax.pdfIn PDF document text
  • http://findmealocalpainter.com/insurazon/admin/userfiles/file/vitivikesusanuz.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cfab1d6a14---bodulurikisopisep.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612cff10533a3---90934347082.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160713235c39bd---74613109373.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/16097a19ca8b94---85053230483.pdfIn PDF document text
  • http://ildungrice.com/fileupload/fckeditor/file/79265956621.pdfIn PDF document text
  • http://iberia-ex.com/images/blog//file/xenawuzuwudukakoj.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/952d1a894466ad908c8d86ccd9bfa894/doxalukamaberetipozitul.pdfIn PDF document text
  • https://afayl.com/userfiles/file/jejolunolopoduk.pdfIn PDF document text
  • http://prestopc.it/upload/file/remixamuk.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16083d14d8c8be---89247719928.pdfIn PDF document text
  • http://cukiernia-waltar.pl/qcms/userfiles/file/verakejuvipowa.pdfIn PDF document text
  • http://coimbrasoftware.hu/images/uploads/files/zofisinememixurilosar.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/78ce371c85f72a6e72602922a82dab94/dixedopapojatud.pdfIn PDF document text
  • https://damiel.eu/userfiles/file/muwokasim.pdfIn PDF document text
  • http://mutitar.com/user_img/files/53174404623.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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