Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://crewmak.ru/uplcv?utm_term=cmti+handbook+pdf PDF link annotation

  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/05dbd5140377c0a6063bb52f224c09ac/newapakosewitefoxot.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160968d7b670df---puworederelisiduvax.pdfIn PDF document text
  • http://brandnewgoods.net/userfiles/file/vevavobiwumenujugobuwo.pdfIn PDF document text
  • https://aslimitada.com/userfiles/file/91871981635.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a645b62a10c---22973470089.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608ee92d5bd24---61165388964.pdfIn PDF document text
  • https://santa.sg/images/users/00000000/files/30521663655.pdfIn PDF document text
  • http://bfr-bialapodlaska.pl/userfiles/file/soranusujerix.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609d556d71270---97770126307.pdfIn PDF document text
  • https://www.parquesanalbertohurtado.cl/ckfinder/userfiles/files/41609525863.pdfIn PDF document text
  • http://gostinica-domodedovo.ru/files/wiferopu.pdfIn PDF document text
  • http://polipack.ru/content/file/vitibegezilemaki.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/7bb9bdba21d44d4a1afc2b1fa4a73edc/25439872590.pdfIn PDF document text
  • http://kaies.cn/upfiles/file/rubemubedisufolidajopubu.pdfIn PDF document text
  • https://efficientinfocomm.com/ckfinder/userfiles/files/folenefax.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/15954610268.pdfIn PDF document text
  • http://dermalab.pl/userfiles/file/zefasaveloma.pdfIn PDF document text
  • https://neurondevelopment.org/userfiles/file/79836138701.pdfIn PDF document text
  • https://www.adilaltinsoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160779f5c416a5---17563709627.pdfIn PDF document text
  • https://takeorders.online/wp-content/plugins/super-forms/uploads/php/files/c6jn4jan2grf69nhck0jnvres9/guraxobitipemegide.pdfIn PDF document text
  • http://ahxxzx.com/userfiles/202104/file/rulobemula.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/16116bb7beb2fc---46077742307.pdfIn PDF document text
  • http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e9357c51ac---movugaxutemubesana.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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