Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://infrive.ru/uplcv?utm_term=snapchat+lenses+with+music PDF link annotation

  • http://hauptlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nisive.pdfIn PDF document text
  • https://mma-montessori.com/admin/ckfinder/userfiles/files/694371059.pdfIn PDF document text
  • http://pevak.info/UserFiles/File/46334225250.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/2a9ac92660ed960f89b0cde388ac241e/59904863072.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/161427a5f492ca---birovoni.pdfIn PDF document text
  • https://qeyeoptical.com/ckeditor/ckfinder/userfiles/files/xevimefumimebifonejot.pdfIn PDF document text
  • http://baracenter.be/userfiles/file/nulidupezeruxuwanod.pdfIn PDF document text
  • http://zlzljc.com/uploadfile/file///2021090401562624.pdfIn PDF document text
  • http://pantanalmsnews.com.br/ckfinder/userfiles/files/29341950193.pdfIn PDF document text
  • http://adas-muko.pl/photo/file/jinodaka.pdfIn PDF document text
  • http://bbfederico2.net/userfiles/file/82465359703.pdfIn PDF document text
  • https://dom4m.de/userfiles/files/99314783315.pdfIn PDF document text
  • http://kingsfci.com/userfiles/file/49444709213.pdfIn PDF document text
  • https://detectagsafety.com/ckfinder/userfiles/files/5948402388.pdfIn PDF document text
  • http://hsaltsj.com/uploads/files/72449119751.pdfIn PDF document text
  • https://hocaukhudothithanhphogiaoluu.com/asset/site/files/77441325746.pdfIn PDF document text
  • http://0-50.ru/userfiles/file/88125788179.pdfIn PDF document text
  • http://konferencii.org/js/ckfinder/userfiles/files/86053609275.pdfIn PDF document text
  • http://lexuspolymers.com/assets/ckfinder/userfiles/files/58637921865.pdfIn PDF document text
  • https://vmgeducationtrust.org/home/vmgedu/public_html/public/userfiles/file/69048175819.pdfIn PDF document text
  • https://itandem.net/ckfinder/userfiles/files/lununufogepa.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/86d759ac3055b536da40164aa9eee0ce/9118096344.pdfIn PDF document text
  • http://frutapac.es/ckfinder/userfiles/files/wimov.pdfIn PDF document text
  • http://nikolalepojevic5.com/multimedia/file/bifolivup.pdfIn PDF document text
  • http://quatangsongvan.com/hinhanh_fckeditor/file/63493865955.pdfIn PDF document text
  • http://sitoad.com/bbqjoekey/files/202109021148137957.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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