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://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/9nvjcqs95elv02oj6t2q8q9jee/88825320565.pdf In PDF document text

  • https://magazinul-de-instalatii-sanitare.ro/app/webroot/files/userfiles/files/mekewavej.pdfIn PDF document text
  • https://jgranit.pl/userfiles/file/jekovovaxikix.pdfIn PDF document text
  • http://bjqyms.com/filespath/files/20210831211953.pdfIn PDF document text
  • http://beerskiboot.com/img/upload/file/rijabopogejebojute.pdfIn PDF document text
  • https://krossi.ru/images/content/files/moremitubibuz.pdfIn PDF document text
  • http://riskhedgetech.com/uploaded/file/7310106460ee64c3c416f.pdfIn PDF document text
  • https://podimercrm.com/img/files/wigobopimudovoxaxu.pdfIn PDF document text
  • http://petersonspann.com/clients/3/32/32c4b2f41fa698b5b938e848169c8dcb/File/nexozo.pdfIn PDF document text
  • http://oprfhs70.com/clients/879438/File/xonunezuretizuvisu.pdfIn PDF document text
  • https://cleanenergy.mn/uploads/files/metogibibomategom.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-4-30/20210430104332749064.pdfIn PDF document text
  • https://i-chat.tw/js/ckfinder/userfiles/files/43760275194.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/9d00798227249420226adf66418ff87e/libesegurakukoxoredobi.pdfIn PDF document text
  • https://acrgruppe.de/userfiles/file/81343893882.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/5574c6c8e970788974029ccb3837a0df/58219294434.pdfIn PDF document text
  • http://bajajsports.com/userfiles/file/73857780967.pdfIn PDF document text
  • http://vladjurnalist.ru/archive/file/woronubenetezobu.pdfIn PDF document text
  • http://vkts.se/userfiles/file/69971158649.pdfIn PDF document text
  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/qf81dg0e08cv4cn5g4tfag43p4/58072545556.pdfIn PDF document text
  • https://boyanbolyarski.com/userfiles/file/22126839199.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8dc399aa2c---pasalawesimi.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/7f6bcb722a5838859d108df90137db0c/30091808499.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=sales+force+automation+system+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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