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://chcial.ru/uplcv?utm_term=intermittent+fasting+workout+plan+pdf PDF link annotation

  • http://etepi.pt/js/ckfinder/userfiles/files/97598845663.pdfIn PDF document text
  • https://eletvital.hu/uploads/files/44012841177.pdfIn PDF document text
  • http://linkipt.com/_UploadEditor/files/sokodavijovunepajasaxo.pdfIn PDF document text
  • http://allergya.news-read.com/upload/files/59677466835.pdfIn PDF document text
  • https://tideandtigers.com/ckfinder/userfiles/files/26803150345.pdfIn PDF document text
  • http://gachmenminhchien.com/media/ftp/file/bozef.pdfIn PDF document text
  • http://charontrade.hu/data/file/90261122682.pdfIn PDF document text
  • https://inprovitmexico.com/ckfinder/userfiles/files/regulodutokowegimofoba.pdfIn PDF document text
  • https://pankajplast.com/ckfinder/userfiles/files/84677809863.pdfIn PDF document text
  • http://thewhitmerlawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/13765002290.pdfIn PDF document text
  • http://hftyby.com/upload_fck/file/2021-10-12/20211012145213423420.pdfIn PDF document text
  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/f2d9bb8df26ded0d79cd2b48a7ba7f86/pipigudidudujufevedelini.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615ec96bbb98c---jeseniwisexuxubogezitoxa.pdfIn PDF document text
  • https://mlbcsimleague.com/ckfinder/userfiles/files/55355756672.pdfIn PDF document text
  • http://gns3.swiz.eu/files/editor/95656211810.pdfIn PDF document text
  • http://chunmianxian.com/upfolder/e/files/20210908110159.pdfIn PDF document text
  • http://ewtch.com/upload/files/44843268599.pdfIn PDF document text
  • http://atoutslegion.com/userfiles/file/28269104912.pdfIn PDF document text
  • http://pnlestari.com/visitbali/image/files/golowunojuzuzet.pdfIn PDF document text
  • http://czyxchem.com/upload/files/biforezebo.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1615be6d07742c---jikurov.pdfIn PDF document text
  • http://mobilni-kadernictvi.cz/files/file/fikebaw.pdfIn PDF document text
  • http://sghr.ca/upload/ckfinder/files/79218224759.pdfIn PDF document text
  • http://gomientrung.vn/uploads/image/files/34479856105.pdfIn PDF document text
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f5d256d751---53054023221.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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