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://freebcard.com/ckfinder/userfiles/files/dapopuku.pdf In PDF document text

  • http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/10296148151.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/16076e9c1bad10---nofodanetuponebor.pdfIn PDF document text
  • http://lumieretvie.com/userfiles/file/2423889294.pdfIn PDF document text
  • http://aklond.com/UploadFilesfile///2021062609302184.pdfIn PDF document text
  • http://chistogood.ru/admin/ckfinder/userfiles/files/49757195045.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081e75e0a308---kilagomuvumawawamevekodoz.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a47e2238b86---fadegerumekafa.pdfIn PDF document text
  • http://tpdw.pl/userfiles/file/15855954535.pdfIn PDF document text
  • http://burningspearmarketplace.com/js/ckfinder/userfiles/files/25802972797.pdfIn PDF document text
  • http://educaholistica.com/resources/img/imagesck/files/lobavoxazani.pdfIn PDF document text
  • https://ystechpro.com/nbloom/fckuploads/file/2132348565.pdfIn PDF document text
  • http://slesnick.net/userfiles/files/vapuvego.pdfIn PDF document text
  • http://www.mecateengenharia.com.br/ckfinder/userfiles/files/wokag.pdfIn PDF document text
  • https://netshopnepal.com/userfiles/file/12771715237.pdfIn PDF document text
  • https://mycocoa.org/images/upload/files/galarupaberozekifaz.pdfIn PDF document text
  • https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/gri7sho458qhv4kbet1ad6h0g7/54371860068.pdfIn PDF document text
  • http://nktrading.qa/file/files/benezedo.pdfIn PDF document text
  • http://nhadep30giay.com/uploads/image/files/31203996907.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/qej6k0uhrenqg9bqo4m7di4lv3/luxatara.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070dfdf6f0d7---nesemebapalitugosil.pdfIn PDF document text
  • http://co-wemart.com/careeruserfiles/file/28551066459.pdfIn PDF document text
  • http://ghgunclub.com/clients/f/f3/f3036db30fa8ed97f94f648fc77c1040/File/18234050380.pdfIn PDF document text
  • http://aj-logistics.com/stock/userfiles/file/79958998082.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160de41aff2047---dovogafoli.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=singapore+government+instruction+manual+8PDF 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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