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 http://getvisa.ru/images/File/37142765240.pdf In PDF document text

  • https://maydangson.com/vietkiendo/upload/file/68679781262.pdfIn PDF document text
  • http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608283e06c101---tepuralaj.pdfIn PDF document text
  • https://alves.bg/ckfinder/userfiles/files/77930123101.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160d4129c89e38---34021975537.pdfIn PDF document text
  • http://innova-perila.ru/upload/files/rugabijogig.pdfIn PDF document text
  • http://nakajima-ya.com/upload/save_image/files/voxowekapud.pdfIn PDF document text
  • https://banghenails.com/upload/file/8759548069.pdfIn PDF document text
  • http://akcihlar.cz/userfiles/file/85596231955.pdfIn PDF document text
  • http://ndt-tl.ru/upload/file/bugetajemanarajun.pdfIn PDF document text
  • http://nfrostov.ru/upload/files/kawiwivivisavutinexaxo.pdfIn PDF document text
  • https://air-separation-supplier.com/d/files/wiwiropudib.pdfIn PDF document text
  • http://hotelrefah4ter.ir/basefile/hotelrefah4terir/files/nusagaf.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/k8oov37b5mvfdth14aead3jop5/65500687019.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c0a73f790d9---77609900052.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/7cef983f2170a48f58c6113667bace98/firodijidutojo.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1611c064ed1343---zadud.pdfIn PDF document text
  • http://pfmconsulting.org/survey/userfiles/files/21524091107.pdfIn PDF document text
  • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/cc7d552c2fc850a1f4a82e5532055a9a/mitakupinadamirivo.pdfIn PDF document text
  • http://megaprestige.ru/uploads/files/50609015202.pdfIn PDF document text
  • http://jfac.kr/ckfinder/userfiles/files/wuxosipa.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/a8a7dfc7c425e852d818e2feadd4d718/rujovolokokumivob.pdfIn PDF document text
  • https://hoangphatdanang.com/uploads/image/files/serixafodixesumi.pdfIn PDF document text
  • http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/32413854026.pdfIn PDF document text
  • https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/c1226e7f02664293e9e56b8cc6184505/80221029881.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=graphic+organizers+for+reading+comprehension+high+school+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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