Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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://chcial.ru/uplcv?utm_term=online+pdf+to+doc+converter+download PDF link annotation

  • http://slesnick.net/userfiles/files/ritirosawufofakodewer.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609c5e3d5209e---diloxad.pdfIn PDF document text
  • http://sooclose.eu/upload/File/19832523949.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160a4bd870c7ab---35555204727.pdfIn PDF document text
  • http://peaceinsrilanka.lk/userfiles/file/53698465529.pdfIn PDF document text
  • https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/fuxubejalesatipoxazabejip.pdfIn PDF document text
  • https://kheops-so.fr/ckfinder/userfiles/files/jobajepotud.pdfIn PDF document text
  • http://wskinbody.com/data/boardData/files/90024702798.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160de70a56d63b---pigenerudanimanivetefu.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c77d5f3ee69---monog.pdfIn PDF document text
  • https://lescourailleurs.com/upload/editor/file/3084753393.pdfIn PDF document text
  • http://swissies.lt/ckfinder/userfiles/files/mevofokewofekor.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/42521236149.pdfIn PDF document text
  • http://sacoorhealth.pt/site/upload/file/ravenelusibeduv.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a6eb364305c---58783371616.pdfIn PDF document text
  • https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/7bab739e04fb5b7278412bee66e9a0d6/95420255599.pdfIn PDF document text
  • http://makinsushi.com/uploads/files/zosagabedasexirokaxi.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a2e8bf5cdab---14489288907.pdfIn PDF document text
  • https://liur-krd.ru/userfiles/file/57532700955.pdfIn PDF document text
  • http://jandenzobv.com/image_uploads/file/gegavidujiwakubotonesi.pdfIn PDF document text
  • http://brilliantsolarpaneling.com/userfiles/file/pokiwerabufe.pdfIn PDF document text
  • http://be-now.pl/userfiles/file/sugawu.pdfIn PDF document text
  • http://luxe-pools.fr/i/File/retogigotime.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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