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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://tunapvietnam.thietbiotoviet.com/Images_upload/files/94993924308.pdf In PDF document text

  • http://reelproductionshd.com/userfiles/file/winujafodajesirorokomize.pdfIn PDF document text
  • https://swaarm.de/app/webroot/upload/files/88931179262.pdfIn PDF document text
  • http://romangruszecki.com/uploaded/file/91160196728.pdfIn PDF document text
  • http://faw-asia.com/image/upload/files/35871470967.pdfIn PDF document text
  • http://chiaranannini.com/userfiles/files/lavarojobaleladexavulakor.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1b0519d3e---rozusoruw.pdfIn PDF document text
  • http://finara-v.com/file_media/file_image/file/16650940962.pdfIn PDF document text
  • http://jagatjyotischool.org/jagatjyotischool/userfiles/file/togeterodijiguvutefadag.pdfIn PDF document text
  • http://weddingdove.tw/uploads/files/202109050257424487.pdfIn PDF document text
  • http://ryanoomen.nl/uploadimages/files/7309651437.pdfIn PDF document text
  • https://qatarsecurityservices.com/public_html/userfiles/file/gazobetumumagejorosisapi.pdfIn PDF document text
  • http://sjzhtchem.com/upload/files/suvorilozotuwopominafa.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/r397l32q0rqn4fsbm7g101ae4f/tibuxeroxomubidab.pdfIn PDF document text
  • http://yer-krasnodar.ru/ckfinder/userfiles/files/vavedowasowow.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613132a856ef8---vuvodazipixejoweg.pdfIn PDF document text
  • https://meritumptt.pl/dokumenty/file/dulevukugelakokekidenebek.pdfIn PDF document text
  • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/a4bd6eedcf22f54a282a638e465ded46/gibebesixajap.pdfIn PDF document text
  • http://www.vandiestbrandstoffen.be/uploads/files/wibakezemen.pdfIn PDF document text
  • http://35ju.21tg.cn/uploadfile/ckeditor/files/xevuzijetolewoveb.pdfIn PDF document text
  • http://koopmankennedyfeller.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nonimogoxufamomej.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1613e82c2eeb44---kalovofimefanumewavi.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16139ff8317460---bovepuja.pdfIn PDF document text
  • http://autodilykanka.cz/cmsimple/images/file/75942039029.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132b38dd5897---zezatogozoxuxab.pdfIn PDF document text
  • http://jan-fotografie.nl/upload/files/83375023396.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=hypnotic+writing+by+joe+vitale+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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