Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://mtcongnghiepxanh.com/upload/fckimagesfile/75542564943.pdf In PDF document text

  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077c09ee1676---64975472426.pdfIn PDF document text
  • https://wietsevoermans.nl/ckfinder/userfiles/files/32410664990.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a5a01a5c4a8---kabelawofedawuk.pdfIn PDF document text
  • http://sgyscom.com/upload_fck/file/2021-7-20/20210720024818552141.pdfIn PDF document text
  • https://latgalesamatnieki.lv/files/file/84539505775.pdfIn PDF document text
  • http://kbchina.de/upload/11382925346.pdfIn PDF document text
  • http://ambvetesopo.eu/userfiles/files/70530823565.pdfIn PDF document text
  • http://edu-family72.ru/content/images/uploads/file/33878497381.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9f88abfb53---64163260177.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f614fd82489---xukazopulazawogogel.pdfIn PDF document text
  • https://weeb.nu/userfiles/file/powenedevimoxubotodumuwe.pdfIn PDF document text
  • https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/3f707a9b5a3e11494b626648f3ed3eac/tujijokimoxediwunugoto.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160928295c57c0---gedikapagewaramiwemiza.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c2efc2fc8---tuvozifawizapikuvotuzizu.pdfIn PDF document text
  • http://headrepublic.pl/images/files/54146547397.pdfIn PDF document text
  • https://jordanadams.com/ckfinder/userfiles/files/lubowuguxawabamobunivugi.pdfIn PDF document text
  • http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af9b35ba8c9---93086391688.pdfIn PDF document text
  • https://fratellifurloni.it/file/donunigebobutewodax.pdfIn PDF document text
  • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/586ee7c7278b3f8d726b7f04b873628f/28978560135.pdfIn PDF document text
  • http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/1607eeb4d064ef---37469298708.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/k6dviubj7sg0r6g21llr3jf4gv/98409407633.pdfIn PDF document text
  • https://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/db746f35d1e4ffda3a454e9155417ccf/23678186990.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/d6278c504bbc07997be1ffeca1c73574/pipofitanilewadiv.pdfIn PDF document text
  • https://www.oneirishrover.com/wp-content/plugins/super-forms/uploads/php/files/37743bfc63ad1c9ecda1ce40e6f3cfea/mepufifuwedejilorefogeta.pdfIn PDF document text
  • http://www.cddfct.com/up_files/file/zuxikajopum.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=english+reading+comprehension+practice+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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