Malicious PDF — malware analysis report

Heuristics 6

• 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 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.
• 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://crysiq.ru/uplcv?utm_term=get+back+deleted+texts+android PDF link annotation

  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/16077ff20d1b4b---74590600742.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606fbb4a21391---84498638087.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a45d453a8ec---sonop.pdfIn PDF document text
  • https://serwisnawigacji.pl/userfiles/file/mijewobumu.pdfIn PDF document text
  • http://vytvarnyobchod.cz/UserFiles/File/suxikulokegagonipave.pdfIn PDF document text
  • https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/25881cc3f0576bdb4993ca949243f33c/xobopepi.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/95675722d97faa1f45e875312c7dba2b/16503663103.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/cfer2u8j2e0578nll4s4ur3lsl/15830366240.pdfIn PDF document text
  • http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ec6bc769e4---35133282560.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/a6da864d64d8ab4777e5b581d3f32624/masogozegujatato.pdfIn PDF document text
  • https://aiwatopup.com/ckfinder/userfiles/files/68628505002.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16077b33eb7cc7---45571027951.pdfIn PDF document text
  • http://residencecarlofelice.com/userfiles/files/givis.pdfIn PDF document text
  • https://optimustelecoms.com/ckfinder/userfiles/files/mivogofofotaribetutizuja.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607812c8701d3---49727468829.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/6ovkdtkiji5ss840780maq8i14/zanuwesisataz.pdfIn PDF document text
  • http://ajivikafinance.com/userfiles/file/75524648557.pdfIn PDF document text
  • https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/2e9c8fd84em3gsqrhgjlrme804/81323204183.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16080023397198---85372805067.pdfIn PDF document text
  • http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160832f30e81c9---zijiguvixoroximotux.pdfIn PDF document text
  • https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe1ac8e2c8---bifedok.pdfIn PDF document text
  • http://www.knickmeier.net/images/pageimg/file/wosimokafujuxuzo.pdfIn PDF document text
  • http://10glazsikeyrosa.ru/file/sogugelivurudugadafurel.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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