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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://cructi.ru/uplcv?utm_term=sign+on+and+sign+off PDF link annotation

  • https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/56cdfada6b42febcd5420c8d54a320cc/64674295519.pdfIn PDF document text
  • https://roweryelectra.pl/app/webroot/uploads/file/16219842901793.pdfIn PDF document text
  • http://eprdel.cz/userfiles/file/16606483203.pdfIn PDF document text
  • http://sieuthibongda.net/ckfinder/userfiles/files/jelefinudepugosuxegiroje.pdfIn PDF document text
  • http://agrion.org/upload/fichier/zenaxisobazuzogoxenawez.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e2ea4038a---xilowimosatosogivu.pdfPDF link annotation
  • https://angkoronetour.com/userfiles/file/24817047388.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079fdd9b1b80---78539150967.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/auc00qinidepnatb6ph296eqng/fekupalo.pdfIn PDF document text
  • http://school19-zav.ru/userfiles/file/61766080496.pdfIn PDF document text
  • https://binarbaidfabrication.com/public_html/userfiles/file/dupexiru.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c459711c198---38404490654.pdfIn PDF document text
  • http://perila-vrn.ru/userfiles/file/10806155411.pdfIn PDF document text
  • http://aydinservis.com/ckfinder/userfiles/files/6124399565.pdfIn PDF document text
  • http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/62659319593.pdfIn PDF document text
  • http://onlinecommerce.bg/uploads/pages/files/54562488603.pdfIn PDF document text
  • https://gites-les-bardots.com/userfiles/file/49570059143.pdfIn PDF document text
  • http://panyuchen.com/ckfinder/userfiles/site_eachfun_com/files/44942812508.pdfIn PDF document text
  • https://nestuby.com/userfiles/file/tezijot.pdfIn PDF document text
  • https://hashtag.school/userfiles/file/sofudisewogidunome.pdfIn PDF document text
  • http://learnazia.com/fck/imagesfile/vowuvisisesel.pdfIn PDF document text
  • http://paintmaster.hu/js/ckfinder/userfiles/files/dajugitunufodekoj.pdfIn PDF document text
  • https://burragebrothers.com/demo/jolie/beta/userfiles/files/tumonikenilivewu.pdfIn PDF document text
  • http://ackerviewguesthouse.com/userfiles/file/26327382192.pdfIn PDF document text
  • http://www.rafaellucenaehijos.com/ckfinder/userfiles/files/zitunexi.pdfIn PDF document text
  • https://jxloanchien.com/style/postimage/file/22681293599.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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