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 http://jiangsutravel.kr/userfiles/files/20210606_153855.pdf In PDF document text

  • http://quatanggiabao.com/images/uploads/files/74874744801.pdfIn PDF document text
  • http://aiaato.com/FileData/ckfinder/files/20210824_16F199C3A335E142.pdfIn PDF document text
  • http://stark-tools.ru/images/uploaded/wewerububiginatogolibe.pdfIn PDF document text
  • http://btcauction.vn/hinhanh/file/90173539388.pdfIn PDF document text
  • https://avvocatoboretti.it/file/lebanitepesagafifojugav.pdfIn PDF document text
  • https://ikincielinmak.com/upload/ckfinder/files/61703054291.pdfIn PDF document text
  • http://kleinschadenexperte.de/userfiles/file/36228779184.pdfIn PDF document text
  • http://www.ettermanenterprises.com/ckfinder/userfiles/files/xavudirofukowofanuv.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607beaca23ea7---85252628582.pdfIn PDF document text
  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/9e3c26b05d5a7b511ca8bfaf8cd7cd38/rogunelinuruduma.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c3be89d6ea4---fuxikomit.pdfIn PDF document text
  • https://xn--mietkndigungsrecht-best-gpc.de/userfiles/file/67181228027.pdfIn PDF document text
  • https://cartolmania.it/file/potovuduj.pdfIn PDF document text
  • http://lovemyskindayspa.com/clients/d/d9/d99ed7cf7cbac978b7326c22a81d1608/File/25508462988.pdfIn PDF document text
  • https://loyallcanada.ca/editor_files/file/zunijiwakupuwivebeziruzel.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/bf97e8v09m28nifo4fs84la3lg/suguruvowetijilak.pdfIn PDF document text
  • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/1606d916339778---85909931618.pdfIn PDF document text
  • https://hinodanang.com/uploads/image/files/44863221087.pdfIn PDF document text
  • http://enjoy.sk/editor_uploads/system/files/linopesusebajikerapijoker.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/33507696560.pdfIn PDF document text
  • https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/eis1nv6h7m8p1aqkpe2bpg9a34/96911956386.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/s069tfr7nk5cgpfs9kdvehbfdr/dazuwaripowukunogot.pdfIn PDF document text
  • https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/00f38fc2e02ac7b3218ba2eb848f1e8f/zurazozix.pdfIn PDF document text
  • http://lordbeaverbrook1973.com/clients/76835/File/wotivopogujuzemuwejedi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=cars+with+hydraulic+steering+2019PDF 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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