Malicious PDF — malware analysis report

Heuristics 8

• 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 68 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.
• 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://poledance-chrudim.cz/files/file/kafipizenivi.pdf In PDF document text

  • http://kancelaria-perfect.pl/app/webroot/media/files/63872424794.pdfIn PDF document text
  • https://matratva.in/userfiles/file/77310462874.pdfIn PDF document text
  • http://lindseyderence.com/userfiles/files/21504077322.pdfIn PDF document text
  • http://word.mn/uploads/assets/58152044009.pdfIn PDF document text
  • http://icbiz.ru/userfiles/file/55664026674.pdfIn PDF document text
  • http://dolekkoyum.com/admin/UserFiles/file/bowivovukosojozubofuwuso.pdfIn PDF document text
  • https://www.hkfew.org.hk/ckfinder/userfiles/files/naloxitowalidibajulexuzi.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/934452c3a31d5c6996d4310932444bd2/badizugisusi.pdfIn PDF document text
  • https://clifestyle.net/uploades/userfiles/file/gamupabisesenepuwudup.pdfIn PDF document text
  • http://palakkadtourism.in/ckfinder/userfiles/files/7788280426.pdfIn PDF document text
  • http://cavusofis.com/images_upload/files/68815265038.pdfIn PDF document text
  • https://www.aifimm.it/admin/inc/ckfinder/userfiles/files/pigejejuke.pdfIn PDF document text
  • https://pr-dienst.ch/file/gofipopimewuwozo.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613a22e50af06---sotepoxudufe.pdfIn PDF document text
  • http://www.multigacos.com/admin/uploaded/fck/file/xavisugapo.pdfIn PDF document text
  • http://ros-grad.ru/fck_editor_files/files/70283264341.pdfIn PDF document text
  • http://rhondadejean.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/66720509641.pdfIn PDF document text
  • http://avon-bratislava.com/files/files/9649602415.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16141ce6707433---40003489554.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/lamisetipesujo.pdfIn PDF document text
  • http://timnhanhonline.net/upload/files/manunosiropipuvojaj.pdfIn PDF document text
  • http://longbeach.ilovepokebar.com/uploads/files/siruxoborexofejifijopa.pdfIn PDF document text
  • https://cli-kh.com/uploads/files/202109021342125631.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/f501f851e1fd7eec16d19a3000543fec/83126509315.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=download+new+fonts+for+androidPDF 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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