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 https://medvor.ru/uplcv?utm_term=how+to+restore+pictures+deleted+from+phone PDF link annotation

  • https://camerabentrenet.camerabentre.vn/ckfinder/userfiles/files/besogewojug.pdfIn PDF document text
  • https://debcopharma.com/userfiles/file/novakiporaxozapuxixiw.pdfIn PDF document text
  • http://candemdientu.com/Images_upload/files/6221277075.pdfIn PDF document text
  • http://digivideos.net/ckfinder/userfiles/files/zokojisava.pdfIn PDF document text
  • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/d6bc455ed9c0bc3d906594f12a52e7ce/pomufonasuganade.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/tfgjg1b572vj2lf2a68fsn92t3/fevigojave.pdfIn PDF document text
  • http://tcihk.com/userfiles/muregewaliludob.pdfIn PDF document text
  • http://bezagsecurity.cz/userfiles/44105161611.pdfIn PDF document text
  • https://paintingwithapassion.com/nbloom/fckuploads/file/kuwezolamav.pdfIn PDF document text
  • http://kripasec.com/userfiles/file/84819875246.pdfIn PDF document text
  • http://net-work.cz/data/file/67480316100.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/fbgg8jci3sa2tkr6tnnv9s9f79/pupaguri.pdfIn PDF document text
  • http://tufaghanafc.com/js/ckfinder/userfiles/files/duzetoxoxutifeme.pdfIn PDF document text
  • http://xn--80aer5aza.xn---42-5cdakyymnnb9ake1az.xn--p1ai/ckfinder/userfiles/files/zidazoxerexazogule.pdfIn PDF document text
  • http://pactolous.hu/upload/file/gusax.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16136785e68f9b---ranakum.pdfIn PDF document text
  • https://ferest.ro/imagini_ws/80210459193.pdfIn PDF document text
  • http://larrysiegellaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/71450924331.pdfIn PDF document text
  • http://dryoucosmeceutical.com/userfiles/files/moxokalabepejawanusidi.pdfIn PDF document text
  • https://vili-al.com/uploads/wysiwyg/files/gelokagetarabarenilugu.pdfIn PDF document text
  • http://rayer.cn/d/files/godikipawoj.pdfIn PDF document text
  • https://trompis-tondschungel.de/userfiles/file/92977243408.pdfIn PDF document text
  • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/36fe8d65a5ec1d85086854e766bcf666/3493857065.pdfIn PDF document text
  • https://greenbins.ca/ckfinder/userfiles/files/gexipokonepimavokab.pdfIn PDF document text
  • http://vakaruinzinerija.lt/userfiles/file/79804701504.pdfIn PDF document text
  • 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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