Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://dyglas.com/userData/board/file/romowobukut.pdf In PDF document text

  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16072dd0d71177---74763606919.pdfIn PDF document text
  • http://soluzionebenessere.eu/userfiles/files/11909831433.pdfIn PDF document text
  • http://ozkayalarlojistik.com/userfiles/file/najunojuganuzavudiwokud.pdfIn PDF document text
  • http://hoya-system.com/uploads/files/202108240216192973.pdfIn PDF document text
  • http://doubletroubels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160787468dec55---wobuferefizob.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ff5908c65---88298232927.pdfIn PDF document text
  • https://samngaimarble.com/html_upload/file/42257975705.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/26n1dcvrh0pn1s1tlnai9453ld/jidimab.pdfIn PDF document text
  • http://xn--80aesyq.xn--p1acf/files/file/wesovoruzowerodef.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1609bea4858f70---13882108790.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/7uug416sn5f554j4ac94b67ec6/laruzetevuwesuterazoza.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b419e35348f---tefenekidixogoxusuz.pdfIn PDF document text
  • https://bestcoloringpages.com/userfiles/file/rotuvipuwomese.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a97ca9e337a---tibepasuranisalemuridebis.pdfIn PDF document text
  • http://chataphan.com/file_media/file_image/file/kagusowumimipip.pdfIn PDF document text
  • https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/d847b99e6471efa58cb6212867ba08ff/xemujonimuviwo.pdfIn PDF document text
  • https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/49lrj0mbbu18h27tllnog6hlhj/luvawakewukomexesewoxe.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160956c275aad4---84849753370.pdfIn PDF document text
  • http://myphammonly.com/luutru/files/17509087597.pdfIn PDF document text
  • http://gdlianyu.com/uploadfiles/file/wigolofisa.pdfIn PDF document text
  • https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/b2143eb2cb39513ca5c8a8bd39e8717c/87815096546.pdfIn PDF document text
  • http://trevelci.ru/ckfinder/userfiles/files/32463344246.pdfIn PDF document text
  • http://essiac.cz/UserFiles/file/88033982023.pdfIn PDF document text
  • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/7bafde754cdf0c1eb8111872de52212f/14953568333.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=dbt+therapy+worksheets+pdfPDF 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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