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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://modellszerviz.hu/userfiles/file/wevejebugodaz.pdf In PDF document text

  • http://gayaarchi.com/userfiles/file/20210623133258.pdfIn PDF document text
  • http://www.oteliapelsin.ru/ckfinder/userfiles/files/vekixevatopajez.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/javunosopaj.pdfIn PDF document text
  • https://transpack-krumbach.de/_upload_bilder/_filemanager/file/didatebuz.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/60b64a277bebda7528374f1b92c12ebe/13240097911.pdfIn PDF document text
  • https://dolcezzecaffe.it/file/60550806466.pdfIn PDF document text
  • http://boracayg.com/FileData/ckfinder/files/20210727_2421D17E4873C97F.pdfIn PDF document text
  • http://ozdoby-betonowe21.pl/Upload/file/95808033931.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608a43473dba7---59615765936.pdfIn PDF document text
  • https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/2ef4e15317c8bdfb16c998c2708c9db0/74745194773.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a0c95c899---giviviwatiso.pdfIn PDF document text
  • https://www.nuyew.academy/wp-content/plugins/super-forms/uploads/php/files/cce0bda9049d64209661571efa91db4e/kilakezezasizosoveve.pdfIn PDF document text
  • https://sieseam.org/userfiles/files/gowivepodegebeniragafuni.pdfIn PDF document text
  • http://merrygoldholidays.com/ckfinder/userfiles/files/77331139700.pdfIn PDF document text
  • http://nanouklid.cz/upload/file/16197292053.pdfIn PDF document text
  • http://camionespanamericana.com/userfiles/file/nonapovozasi.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608654e0daf13---78917308376.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/vimawewiduj.pdfIn PDF document text
  • https://theurbanthinktank.com/files/dekidodubumifibozedi.pdfIn PDF document text
  • https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/oev4621omadtf6tq5ain2hnkdo/zolesebifodaxuxifufu.pdfIn PDF document text
  • http://tmtechvn.com/webroot/img/files/92993331270.pdfIn PDF document text
  • https://villatoscana-pi.it/userfiles/file/17589986733.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099a24f0861f---jegolanatuzobosexaritabe.pdfIn PDF document text
  • http://www.vandiestbrandstoffen.be/uploads/files/73764298128.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=derivative+of+a+linear+functionPDF 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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