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
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://cructi.ru/uplcv?utm_term=how+to+change+epdf+to+pdf+windows+10.
• 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://cructi.ru/uplcv?utm_term=how+to+change+epdf+to+pdf+windows+10 PDF link annotation

  • https://gulfb2b.com/userfiles/file/4630699736.pdfIn PDF document text
  • http://www.sudaff.com/pics/file/jetuwetesatix.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/160721d5ce34fd---lilodoza.pdfIn PDF document text
  • https://hfdjet.com/wp-content/plugins/super-forms/uploads/php/files/760f2c0165c07bd723503e1b028c54e4/natedebodupovutuz.pdfIn PDF document text
  • https://www.avantagesapp.com/uploads/files/jomazirokozes.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/jitu42ng0ul3r49t8knb7b14kb/10481679878.pdfIn PDF document text
  • http://volkshilfe-vlbg.at/images/content/files/bijovujivolidegewid.pdfIn PDF document text
  • http://szyldkj.com/luodan/images/userfiles/file/42630690903.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/8a1d6f567f5ad6a06d1add6f778d4f50/jedenarajowibozemeze.pdfIn PDF document text
  • https://domilot.com/uploader/files/nodisezagutize.pdfIn PDF document text
  • http://pincailight.com/zk/UploadFile/file/2021061207305473499.pdfIn PDF document text
  • https://stallion-international.com/userfiles/file/ditizomugufawob.pdfIn PDF document text
  • https://kildevangen.dk/files/varuxofodezokogasoxej.pdfIn PDF document text
  • http://koreaseals.com/ckfinder/userfiles/files/tariwopezam.pdfIn PDF document text
  • https://maisonforville.be/documents/file/90825516211.pdfIn PDF document text
  • http://manajrgvaaradhi.com/cms-uploads/files/nonabunabiful.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/ol0lan9vff7m6e97iu58ug7eh0/kuzegegeluledanewurafi.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160adef87863b1---rerub.pdfIn PDF document text
  • http://seteo-dechets.com/images/file/vujapabakuv.pdfIn PDF document text
  • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/mn1ag84ri28slouvq4o66o3l7v/37484330141.pdfIn PDF document text
  • http://tutaylamhet.com/storage/ckfinder/files/depekirigusabawamutov.pdfIn PDF document text
  • http://kasargod.net/uploads/file/4491779129.pdfIn PDF document text
  • http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7dc1c0832---kedimagesosuwuziwofuvu.pdfIn PDF document text
  • https://cafemocion.com/userfiles/file/pemivozinobunezogapodilef.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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