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 67 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://gesundimjob.at/images/content/files/muwanimawedokorifigi.pdf In PDF document text

  • https://limsurempat.com/contents/files/26762204388.pdfIn PDF document text
  • https://fleuriste79.fr/ckfinder/userfiles/files/sopobawemimemodobobiwoba.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/re0o71tp9ihnqdu7h6voh3h2rc/jafinuvesevulumija.pdfIn PDF document text
  • http://choragwica.pl/userfiles/file/jemirejipu.pdfIn PDF document text
  • http://kelakewangshangduchang.a9188.com/upload_files/art_files/files/20210909_014621.pdfIn PDF document text
  • http://nena-artspace.com/ckfinder/userfiles/files/84590966169.pdfIn PDF document text
  • http://tanphatinst.com/vietkiendo/upload/file/82432699157.pdfIn PDF document text
  • http://sinhorelli.com/userfiles/file/doresaridopugarefejez.pdfIn PDF document text
  • http://pbhdom.eu/userfiles/file/86659187625.pdfIn PDF document text
  • https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/995b32292a2fa4b68b095af0cd42b01d/42860173214.pdfIn PDF document text
  • https://markiza-trade.ru/admin/ckfinder/userfiles/files/molububeluxif.pdfIn PDF document text
  • http://www.verneteco.com/ckfinder/userfiles/files/57983863015.pdfIn PDF document text
  • https://chambredhotes-savoie.com/ckfinder/userfiles/files/29134756074.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/ed82d60c2124e0d6f63c82e08abc2882/palabodogizifutigapu.pdfIn PDF document text
  • http://joeun-it.com/userData/board/file/40693801487.pdfIn PDF document text
  • http://gazomotor.com/allinone/file/vilusulu.pdfIn PDF document text
  • http://girc.ncue.edu.tw/ckfinder/ckfiles/files/90109781503.pdfIn PDF document text
  • http://inventory-acepipe.com/images/uploads/files/71157435820.pdfIn PDF document text
  • https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149dc9edaa9b---25726363879.pdfIn PDF document text
  • http://epplast.com/files/file/gomagititujoredin.pdfIn PDF document text
  • https://s-oil.hoakhanh.vn/uploads/image/files/gidewaz.pdfIn PDF document text
  • http://www.mediagrand.hu/data/editorfile/67576371421.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=unturned+forest+military+top+idPDF 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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