Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://krisoc.ru/uplcv?utm_term=truck+simulator+apk+mod+download PDF link annotation

  • http://esistore.de/userfiles/file/19850417714.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/a6f47ba46c1c29e339cc53f023ed9b02/kodazubixasiwuwavop.pdfIn PDF document text
  • http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/gerusireri.pdfIn PDF document text
  • https://palet-school.com/files/files/50805558802.pdfIn PDF document text
  • http://schodylux.pl/userfiles/file/21700021762.pdfIn PDF document text
  • http://portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/71559296257.pdfIn PDF document text
  • http://yasaitogo.com/uploads/files/bebavenekunusovivizakife.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/3375886b9e6fd1561479bbf6089b6f18/18555466656.pdfIn PDF document text
  • http://abnicum.com/files/file/dumut.pdfIn PDF document text
  • https://tpk-m.ru/files/file/43181052885.pdfIn PDF document text
  • https://icon-studios.com/userfiles/file/delebufiwazobop.pdfIn PDF document text
  • http://thestarbusan.com/FileData/ckfinder/files/20210924_229409019A849CFF.pdfIn PDF document text
  • http://brmhn.com/userfiles/file/20210914093848_bz4l7f.pdfIn PDF document text
  • http://ciatic.saintelserver.com/archivos_editor/file/sopavilobodojurabavuv.pdfIn PDF document text
  • https://hobbes-group.com/upload/files/jegozubifesekabu.pdfIn PDF document text
  • http://dishandspoonproductions.com/ckfinder/userfiles/files/tiwupudenarafegudopetibaw.pdfIn PDF document text
  • https://ssmahavidyalaya.org/lion/uploadedfiles/fck/files/file/88210411736.pdfIn PDF document text
  • http://apnm.indexint.net/ckfinder/userfiles/files/39869959130.pdfIn PDF document text
  • http://thesciencenetwork.org/uploads/files/65604782736.pdfIn PDF document text
  • http://nemdanangpho.com/uploads/2021-09-18/images/files/36153477858.pdfIn PDF document text
  • http://ping-property.com/user_img/files/16097457153.pdfIn PDF document text
  • https://gad-elhak.com/userfiles/file/gevipalenizegegajivape.pdfIn PDF document text
  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140164d03d81---28146278502.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/e9f5a01b940723e4e56263fdcf50dcbe/36809227531.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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