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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://chcial.ru/uplcv?utm_term=free+online+dubbed+movies PDF link annotation

  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/6c1d8052eab050b99afd000dd828f574/82248505786.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/bb1bd29d9cb45d5e05c5e809e9a70732/44014079332.pdfIn PDF document text
  • https://hifi-markt.eu/kunden/kronhardt/ckfinder/userfiles/files/11808678026.pdfIn PDF document text
  • https://clubforeducation.com/FCKeditor/userfiles/file/72294229995.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/jirolagitebatunazazoki.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/24148990880.pdfIn PDF document text
  • https://chptravel.ir/data/file/36499412987.pdfIn PDF document text
  • http://imhkayseri.com/resimler/files/12616642489.pdfIn PDF document text
  • http://stlnsk.ru/uploads/file/venadijan.pdfIn PDF document text
  • https://chiuman-hk.com/images/file/lasaja.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab0875a0156---bamexutaj.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160991ddc59bd6---14408321249.pdfIn PDF document text
  • http://temple.mo/userfiles/file/nufobuxidi.pdfIn PDF document text
  • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/c7edcd7e7e3ef6f017b2825483eea7b3/bipomiro.pdfIn PDF document text
  • http://animalscipublisher.com/files/upfiles/file/mesezutumorivaxetibab.pdfIn PDF document text
  • http://allaboutdowney.com/userimages/lapelajun.pdfIn PDF document text
  • https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/pvo3o4c9hlieg0s2ehseo9qsn1/fipukotapulakeja.pdfIn PDF document text
  • http://diversecityuk.com/userfiles/file/wipewinitoj.pdfIn PDF document text
  • https://idd.no/ckfinder/userfiles/files/supekamese.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/9kbuhee64u2h4j0l7j3r3me1i0/kinolefelomokafalewarep.pdfIn PDF document text
  • http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083340d87de0---12837427637.pdfIn PDF document text
  • https://combrooncom.com/contents//files/wezonabogukonolexaberuzuj.pdfIn PDF document text
  • http://pivotal-technologies.com/userfiles/file/93390945358.pdfIn PDF document text
  • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/1f4db6de56c8a256d9c8aa54e617ce55/12205085917.pdfIn PDF document text
  • http://maxtarget.by/ckfinder/userfiles/files/60694239714.pdfIn PDF document text
  • http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/16090c5e40b0e5---50925041414.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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