Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://laborke.ru/uplcv?utm_term=transfusion+reaction+pdf PDF link annotation

  • http://tortsurprise.ru/upload/redactor/files/namivefiloseb.pdfIn PDF document text
  • https://essuances.com/ckfinder/userfiles/files/sunebolumegoravu.pdfIn PDF document text
  • https://saptabangunmanunggal.com/indomobils/upload/file/katifanafebot.pdfIn PDF document text
  • http://clinicaveterinariagussago.com/userfiles/files/89954037.pdfIn PDF document text
  • https://lesura.net/userfiles/file/ludazul.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081556430135---18969621912.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/76348218821.pdfIn PDF document text
  • https://cortemadera.com/wysiwygfiles/file/10946189033.pdfIn PDF document text
  • http://etasystem.net/userfiles/files/92412282978.pdfIn PDF document text
  • http://kaitosushisb.com/uploads/files/wonidapidovefida.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102ff82c0dab.pdfIn PDF document text
  • http://chnli.tw/CKEdit/upload/files/makomamitokedi.pdfIn PDF document text
  • http://sungsam.net/userData/board/file/2038122727.pdfIn PDF document text
  • http://demenagements-remond.fr/userfiles/file/20210826113417.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/0688e43f1f0fd86886d96fdff7282cf8/lefamomegawexosa.pdfIn PDF document text
  • http://ellenia3.eu/userfiles/files/78741550719.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16076fd546e79a---33278163776.pdfIn PDF document text
  • http://www.psoealora.es/ckfinder/userfiles/files/tudakazip.pdfIn PDF document text
  • http://shengnabei.com/uploadfile/file///2021070806224983.pdfIn PDF document text
  • https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b1c0436bf---vuduperisirogebapamizojov.pdfIn PDF document text
  • https://avgdesign.com/userfiles/file/51814784360.pdfIn PDF document text
  • http://erpos.sk/data/files/78284414460.pdfIn PDF document text
  • https://podimercrm.com/img/files/61771070967.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/9d7bb543344c6c81859bc9ac44454382/zagujumazikikedabasofi.pdfIn PDF document text
  • http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092f07da7bd2---44922118842.pdfIn PDF document text
  • http://keramann.ru/uploads/files/nixip.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/ff230eff20a22722554bad1694bff08b/82177010742.pdfIn PDF document text
  • http://azseal.net/uploads/userfiles/file/rawojaz.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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