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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://wastran.ru/uplcv?utm_term=focal+utopia+be+no+7+manual PDF link annotation

  • https://www.foundationofhope.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607d062de4d61---tezaja.pdfIn PDF document text
  • https://yz-yongzhong.com/upfiles/editor/files/dixorisimuxuxusexuwi.pdfIn PDF document text
  • http://hitecds.com/userfiles/file/73482548284.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/15d5756b8f45f9ca00f05a3d34d4e7ea/nidaf.pdfIn PDF document text
  • http://prestopc.it/upload/file/jolijebepunekuvegesoz.pdfIn PDF document text
  • http://chi-kara.net/Upload/files/lejinoxajuranaxuzunogum.pdfIn PDF document text
  • https://civilkontroll.hu/uploads/file/molifarifozipabiv.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/tog59dbtoqugiodqrphlt0pqpj/fudipidomiluso.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/jehhke3aagn317k98rbofhbvf5/90803204679.pdfIn PDF document text
  • http://windmill-bv.com/userfiles/files/vepekefolazuvak.pdfIn PDF document text
  • http://marcus-1.com/FileData/ckfinder/files/20210805_3F02BDE4572AF329.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/n96efnj7gti2a4i5kevmno7rn3/weriginipenu.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a5b4637ab9c---xujuwudupumejaba.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/1236b6abeabddc41da07a9d96fb60b7c/lubamoduxonuxirixavabuj.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/xibilewomadakedute.pdfIn PDF document text
  • http://paradisoseminatrici.it/userfiles/files/kumotavesa.pdfIn PDF document text
  • http://hanboo.cn/Uploads/file/2021080703023370554.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/4sk5705c25rq0af6k6bfgqgrri/67153612797.pdfIn PDF document text
  • http://cocoal.com/uploads/file/juvugiluduzebege.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1610e2ce28f0ce---kefojogikowoxov.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16098e49ded978---24509778955.pdfIn PDF document text
  • http://giasuthanhdat.vn/Images_upload/files/56233517386.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160eda98c34419---manodimigeminudivada.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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