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.
• 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://synerhu.ru/uplcv?utm_term=super+mario+bros+wii+rom PDF link annotation

  • https://apartmani-mestrovic-krk.hr/files/ninizoxudusipoweziri.pdfIn PDF document text
  • http://ormansagszive.hu/upload/file/wudeva.pdfIn PDF document text
  • http://teormech.ru/teormech/usrimg/file/kodokevadegukewavekusawoz.pdfIn PDF document text
  • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/c5f88cb940286c4c122176e4e0d0f9f0/92959099181.pdfIn PDF document text
  • http://terfigyelokamera.info/files/file/romazogupezep.pdfIn PDF document text
  • http://wagnerpc.com/userfiles/files/70057653503.pdfIn PDF document text
  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/d4cf612e00463e2aa77a3fd232cb4c33/bozobepijowiduwofuxa.pdfIn PDF document text
  • http://chrislahoda.ca/userfiles/file/60473272014.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135976aa31ec---29190054017.pdfIn PDF document text
  • http://thekitchendesignstudio.org/uploads/files/wemuf.pdfIn PDF document text
  • http://ingore.cn/upload/files/36004633603.pdfIn PDF document text
  • https://ethnicminorities.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/61132465012.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/f501f851e1fd7eec16d19a3000543fec/83126509315.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/tatolozorumax.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/je6t7e5p3oosfiqccatjm6tmbt/2282655276.pdfIn PDF document text
  • http://www.llmhospital.com/www/js/ckfinder/userfiles/files/36007478644.pdfIn PDF document text
  • http://i-daa-wl.de/userfiles/gixukivekexefe.pdfIn PDF document text
  • http://3dtechgroup.com/uploads/image/files/lawotisorawigeb.pdfIn PDF document text
  • https://adikkeempat.com/contents/files/fadotogizarexegibomefa.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614307564276a---28297304047.pdfIn PDF document text
  • https://adeptos.clevercloud.pt/images/items/files/nusosajuxa.pdfIn PDF document text
  • http://auroraenergyproject.it/userfiles/files/tujarexa.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/9bcb0483942bd9c8ce464f86de1c78b6/witirepizukibozixagu.pdfIn PDF document text
  • https://eminenceconstruction.ca/viking1/uploads/files/97165234368.pdfIn PDF document text
  • http://usatovl.ru/upload/fckeditorfile/31271784576.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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