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
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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 http://japhina.com/upload/file/29358468771.pdf In PDF document text

  • http://maciejabramowicz.pl/upload/files/file/setajukaxurobo.pdfIn PDF document text
  • http://psycare-spb.com/userfiles/file/jurepupilajuviraropun.pdfIn PDF document text
  • http://rent2day.ca/ci2/userfiles/files/83573503165.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613c228c58ab4---4124904470.pdfIn PDF document text
  • https://playindiano1.in/ckfinder/userfiles/files/50306094214.pdfIn PDF document text
  • http://banlinhkienlaptop.com/userfiles/file/mevipevemotepol.pdfIn PDF document text
  • http://xn--939a66v0zjo3bcvdmrp.com/data/ckfinder/files/24149774310.pdfIn PDF document text
  • http://kramor.bg/userfiles/file/nujuzumodavariz.pdfIn PDF document text
  • http://gavionescodeinsa.com/userfiles/berujajetivofepuxedoba.pdfIn PDF document text
  • https://weilmclainboiler.ca/fck_upload/file/sezenukeluvonaw.pdfIn PDF document text
  • https://red-adlay.com/upload/files/negisugafifanevasutovudel.pdfIn PDF document text
  • http://mudrkanuch.sk/editor_uploads/system/files/93911529385.pdfIn PDF document text
  • https://www.dgaspcsm.ro/ckfinder/userfiles/files/81455420323.pdfIn PDF document text
  • http://sergeybazarov.ru/file/tidesagifokutakumima.pdfIn PDF document text
  • http://energo-market.ru/sadm_files/jinawiroxuka.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/161300da909cb0---vevofejojiwevuse.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/firebezuxufavarofale.pdfIn PDF document text
  • http://rama-sp.com/rama/webroot/js/ckfinder/userfiles/files/96979846681.pdfIn PDF document text
  • https://granitabrasive.hu/editor_up/ratuvasuvitetezofubetimis.pdfIn macro / runtime command snippet
  • https://sieuviet.net/webroot/img/files/sisalixusawomidexevas.pdfIn PDF document text
  • https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/161376b337fff1---1359049430.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=best+games+like+gta+on+androidPDF 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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