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.
• 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://allytemp.ru/uplcv?utm_term=brick+rigs+download+android PDF link annotation

  • https://mariellatriolo.it/public/file/rodededilezuletagem.pdfIn PDF document text
  • https://tigaintan.com/contents//files/66788913163.pdfIn PDF document text
  • http://sjar-tech.com/uploadfile/file///2021061018412070.pdfIn PDF document text
  • https://dla-pracownika.pl/pliki_user/File/kelisojezizes.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab687e0b7d0---51296180321.pdfIn PDF document text
  • https://mariapolis.es/ckfinder/userfiles/files/52469089626.pdfIn PDF document text
  • https://okud-istra.hr/userfiles/file/kapikuwibesinariz.pdfIn PDF document text
  • http://anthonyvienna.com/sites/default/files/file/88341691261.pdfIn PDF document text
  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f41dd98d90---62316782272.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2e8ef5797d---42713202670.pdfIn PDF document text
  • https://ifbscalidad.eus/files/galeria/files/77693283832.pdfIn PDF document text
  • http://nbpcpentecostalchurch.com/clients/65183/File/turomu.pdfIn PDF document text
  • http://eraldocomo.it/userfiles/files/boxokexesonunubugusiduv.pdfIn PDF document text
  • http://virtualcharityevents.com/vce_cake/files/files/31967721387.pdfIn PDF document text
  • http://dchs1961.com/clients/871949/File/rofosivamexasi.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607df1e534577---rosujo.pdfIn PDF document text
  • http://trendymamy.pl/userfiles/file/suzimanefom.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/ol3lkjp3vpv7g417kilpke6ttc/xagodazezileroza.pdfIn PDF document text
  • http://www.pzkexie.com/up_files/file/14790386112.pdfIn PDF document text
  • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/65138f120ad6e09dcbe245212195aa1c/45542136315.pdfIn PDF document text
  • http://ratchadatitan.com/UserFiles/File/36965984248.pdfIn PDF document text
  • http://paillasse.hu/userfiles/file/28580443468.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4c24b6fb18---nisovifafutarefazesum.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16090f11155c5a---fokegijerugawokukibiruku.pdfIn PDF document text
  • https://kimtuong.vn/isc/public/files/fckupload/file/48837248868.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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