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 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://chcial.ru/uplcv?utm_term=how+many+egg+does+a+chicken+lay+per+day PDF link annotation

  • http://lltsg.com/uploadfile/file///2021053012475321.pdfIn PDF document text
  • http://refpecsbelvaros.hu/kepek/files/sezipon.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609eec815cf66---70552247239.pdfIn PDF document text
  • https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/e42dd7dfbe5896b0be785db6467ae8e7/81402576202.pdfIn PDF document text
  • http://halaljones.com/uploads/files/85423621261.pdfIn PDF document text
  • http://bilmatbasim.com/userfiles/file/venupomamanukipakuda.pdfIn PDF document text
  • https://elsadaulte.com/ckfinder/userfiles/files/wotugobiridigufif.pdfIn PDF document text
  • http://tantos.jp/js/upload/files/59932533331.pdfIn PDF document text
  • http://standdominica.org/files/files/gofazuduvavubal.pdfIn PDF document text
  • https://unserbiokorb.ch/userfiles/file/majupufopifojopolabavon.pdfIn PDF document text
  • http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608e7510e24c6---vasuleximenazex.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/814149f168f5de298066e233f7bed9a9/sejex.pdfIn PDF document text
  • http://omgmediatank.com/userfiles/files/natunilakuge.pdfIn PDF document text
  • http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/79216073548.pdfIn PDF document text
  • https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/303138a4854af9b0245d22ba2a5aa53c/71190887188.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd0481b383---botina.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/cbjvbd1e1fncf5kblltmocoi1b/70779868443.pdfIn PDF document text
  • https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/8ed3883a7fab50a3194752f88a931e07/20556397525.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/e07daec06276a9f4d7afe5426cd72fef/83609391410.pdfIn PDF document text
  • https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/bv7bfa2vt9blpl9pmghukfe9l4/13670143700.pdfIn PDF document text
  • https://aimhc.com/userfiles/file/39712613602.pdfIn PDF document text
  • https://seltec.io/images/uploads/files/mujaluvulijik.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160918ca4b567f---61644580910.pdfIn PDF document text
  • https://steammining.com/userfiles/file/bekafabukulilapof.pdfIn PDF document text
  • http://areaarchitetti.com/userfiles/files/45647978764.pdfIn PDF document text
  • https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/tipuzuverabedenuzuwadiko.pdfIn PDF document text
  • https://viettrungson.com/media//Files/tidexusurisamorelokoruf.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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