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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://philabc.ru/uplcv?utm_term=how+to+change+password+protected+pdf PDF link annotation

  • http://peaceinsrilanka.lk/ckfinder/userfiles/files/fonujojemebezatezavibi.pdfIn PDF document text
  • http://biaikatolikus.hu/files/file/26993249131.pdfIn PDF document text
  • http://lroundup.com/clients/d/d7/d7466da0ad72d96b64793f89c518a0d9/File/timasatasudareru.pdfIn PDF document text
  • https://www.geya99.com/ckfinder/userfiles/files/kevuxivotisaropasepel.pdfIn PDF document text
  • http://www.bsa.by/ckfinder/userfiles/files/51327205085.pdfIn PDF document text
  • http://actybrain-consult.com/Upload/files/peviji.pdfIn PDF document text
  • https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/6398bf493c674f2f64558ff62127d0f8/30419335144.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16087d296d678a---48567937787.pdfIn PDF document text
  • http://detskaoptika.cz/ckfinder/userfiles/files/bafenanogodevalaluvu.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/jjhlgj449vp0bue9vi37et6mof/71611748795.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee42b93487b---45482089610.pdfIn PDF document text
  • https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/0h9vsunvr1df98fcgjgc6vk1b6/79911925005.pdfIn PDF document text
  • https://laznia-radom.pl/userfiles/file/rekulimodozozubin.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/tegujevoxamakorebibobu.pdfIn PDF document text
  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606dcbead05d9---jebotobujusawed.pdfIn PDF document text
  • http://rajhansnursery.com/userfiles/file/19859614639.pdfIn PDF document text
  • http://icmasistemas.com/userfiles/files/vomabodijuvese.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2735a19b3e---70343826832.pdfIn PDF document text
  • https://ntct.dz/ckfinder/userfiles/files/sodojilanirofekotasunavis.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ba85db8a8---kisuvurogumas.pdfIn PDF document text
  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/28038409310.pdfIn PDF document text
  • https://sahodayabbsr.com/test/fckeditor/file/xenakuwiviwulezalelasis.pdfIn PDF document text
  • https://fablab808.com/nbloom/fckuploads/file/44566675115.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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