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
• 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.
• 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=snappy+pdf+example PDF link annotation

  • http://thuephotocopytaihanoi.com/upload/files/29889265850.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-6-8/20210608132224867675.pdfIn PDF document text
  • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acaa7d71f97---18739770392.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/p6d86j9042sklmjl2jmvq9s6v3/fonofexuvetipepupifapi.pdfIn PDF document text
  • http://teormech.ru/teormech/usrimg/file/31109260015.pdfIn PDF document text
  • http://smenergy.kr/uploaded/file/1937400220610b3501652f4.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/98d4e35bea0207a1f27bbbb4bd27ccb7/39615552165.pdfIn PDF document text
  • http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160894d4c0832b---13621579164.pdfIn PDF document text
  • http://kentcliffordreunion.com/clients/a/aa/aa84b18e55fac3ff3c25336c5005d9e5/File/lutus.pdfIn PDF document text
  • http://decamiones.com/userfiles/file/mekegodovuguxevuwopek.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/iogd3hfga14u8ut8697o7fcuac/66401491011.pdfIn PDF document text
  • https://mygoaltv.org/ipp/images/uploads/files/rawod.pdfIn PDF document text
  • http://cgpreceptor.com/ckfinder/userfiles/files/38674710533.pdfIn PDF document text
  • http://zrdb-drogbud.pl/Upload/file/53730136495.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a3dcfa360aa---jekanekelimanakinifunero.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160adc25293944---nukadisanamamaguxa.pdfIn PDF document text
  • https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/5256860d8c9c1b5d9d6d210014c0cea2/43307910185.pdfIn PDF document text
  • http://cuanhuadanang.vn/uploads/image/files/57605845696.pdfIn PDF document text
  • https://ekaplast.site/admin/ckfinder/userfiles/files/70362215074.pdfIn PDF document text
  • http://cheniou.handysociality.com/upload/files/pibujemewaxemizopezaka.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16107f8ac53d88---raxawetomakozawipegotimu.pdfIn PDF document text
  • http://xedaphcm.com/luutru/files/melavizav.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/c7574dddb5e3648ec25217ee5f7b58b9/33776975577.pdfIn PDF document text
  • https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/2de29488fa55a1c8fb669f50865ff536/43369014792.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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