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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Brand-impersonation credential phishing lure critical 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: action link to abused redirector https://kijutevuwixeka.weebly.com/uploads/1/4/1/4/141404931/36daaa3.pdf.
• Government-agency impersonation credential phishing lure high SE_GOV_CREDENTIAL_PHISH
  Document impersonates a government agency (Social Security, IRS, Medicare, HMRC, etc.) and uses identity/benefits-verification coercion ('identity verification required', 'this review is mandatory', 'temporary account restrictions') to steer the reader to a link that is not an official .gov/.mil destination — the hallmark of a benefits/identity credential-harvesting lure.
• 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://kijutevuwixeka.weebly.com/uploads/1/4/1/4/141404931/36daaa3.pdf In PDF document text

  • http://women-for-marriage.com/ckfinder/userfiles/files/wirepezipubipomonafiled.pdfIn PDF document text
  • http://gruppocinofilomarsalese.com/userfiles/files/tokom.pdfIn PDF document text
  • https://bokoxopeke.weebly.com/uploads/1/3/4/2/134266118/vuzupisopis.pdfIn PDF document text
  • http://szm.hu/userfiles/file/koxomuk.pdfIn PDF document text
  • https://bizonununifewe.weebly.com/uploads/1/3/4/7/134773553/vewarorusi_luwirawulaguru.pdfIn PDF document text
  • https://vamemaxodoj.weebly.com/uploads/1/3/1/4/131437173/rozaluzufu_nivixosurulito.pdfIn PDF document text
  • https://nilowawexevive.weebly.com/uploads/1/4/1/3/141383545/3783261.pdfIn PDF document text
  • https://kermanrooz.com/img/files/31268687416.pdfIn PDF document text
  • https://repflex.servermill.com/files/upload/files/1867159434.pdfIn PDF document text
  • http://mexxeopaint.com/upload/files/kovimu.pdfIn PDF document text
  • https://luvidobanuneje.weebly.com/uploads/1/3/1/6/131606009/ruvase.pdfIn PDF document text
  • http://bud-med.eu/userfiles/file/sapubaloruduzu.pdfIn PDF document text
  • http://liily.jp/upload/file/20220310174759.pdfIn PDF document text
  • https://dorakipep.weebly.com/uploads/1/3/4/7/134747047/finugag_lamugemikol.pdfIn PDF document text
  • https://dolilifiwu.weebly.com/uploads/1/3/4/4/134401054/6880489.pdfIn PDF document text
  • https://zimazegikej.weebly.com/uploads/1/3/4/7/134732290/5de7218fd07acf.pdfIn PDF document text
  • https://pafofenolaf.weebly.com/uploads/1/3/4/6/134668810/solabififi_bubinawe.pdfIn PDF document text
  • https://colod.co.za/YmrXLWy8?keyword=fit%20for%20life%20book%20pdf%20download%20pdf%20files%20onlinePDF link annotation
  • 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 extracted file (font_00_sfnt_off0000bd37.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000bd37.bin)

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