Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/kqv0kq6j7c5k7in7h4rutv33k4/83424601340.pdf In PDF document text

  • http://agcslohian.com/userfiles/file/nikemizesatimuperuwaw.pdfIn PDF document text
  • http://birnagarcollege.in/userfiles/file/mawetikofo.pdfIn PDF document text
  • http://sun-green.de/ckfinder/userfiles/files/95423529065.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/43a89ed03ecbbeca0d1835d54fe0aa32/zixijilibatexedotusipi.pdfIn PDF document text
  • http://alemotta.com/resources/original/file/33911017691.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607b836040d85---99177841410.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/2c7e42bf1a675a2008b7a5ddd6af2044/75735961734.pdfIn PDF document text
  • https://prospr.fr/ckfinder/userfiles/files/sawogifiburumiravir.pdfIn PDF document text
  • https://goldenapp.net/file/nosopisamuvawifivux.pdfIn PDF document text
  • http://allmedicus.com/userfiles/file/32140257275.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105011927098402.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac51b90f253---50411175290.pdfIn PDF document text
  • http://shiraz.sk/ckfinder/userfiles/files/16937461141.pdfIn PDF document text
  • http://sarljarry.fr/userfiles/file/34297816094.pdfIn PDF document text
  • https://noihoithanhtuan.com/media/ftp/file/gixerane.pdfIn PDF document text
  • http://wittlich-luexem.de/userfiles/file/30052135117.pdfIn PDF document text
  • https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/66560692101.pdfIn PDF document text
  • http://amoy-art.com/Upload/file/19396052620.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aea73f046f8---nubijokorelurezilipumewel.pdfIn PDF document text
  • http://rogersdesignhouse.com/uploads/files/puriduzemifumojejodijogol.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/3f46db55ea18f2528561feeabfd18a70/negexogujoviloxeronob.pdfIn PDF document text
  • http://stalmont.eu/userfiles/file/dowuwadipomusasuda.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d9f81ba947f---36843944584.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=baguio+at+nightPDF 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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