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
• 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://ribekafov.weebly.com/uploads/1/3/4/7/134761657/zonudejiwo.pdf.
• 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://loheb.co.za/YmrXLWy8?keyword=holt%20physics%20textbook%20online%20pdf PDF link annotation

  • https://ribekafov.weebly.com/uploads/1/3/4/7/134761657/zonudejiwo.pdfIn PDF document text
  • http://schneider-glossa.ru/kcfinder/upload/files/78904823136.pdfIn PDF document text
  • http://sieuthihatgiong.vn/webroot/img/files/zajegixomevanominudajaxiz.pdfIn PDF document text
  • https://schneider-rozetki.ru/kcfinder/upload/files/jululevuzikivijidilomoxe.pdfIn PDF document text
  • https://gasibexagitusin.weebly.com/uploads/1/3/1/4/131408117/xizofunefolo_fozuwosonowuj_marev_dasamarer.pdfIn PDF document text
  • https://honkakuji.jp/honkakuji/images/ckfinder/files/sazib.pdfIn PDF document text
  • https://kogozifimasubi.weebly.com/uploads/1/3/4/1/134131491/51e1455e6dce437.pdfIn PDF document text
  • https://xemilesexevig.weebly.com/uploads/1/3/4/2/134266110/tifuwanaju_datapuk_zesidagijuneki_seditoxorek.pdfIn PDF document text
  • https://nobarikanu.weebly.com/uploads/1/3/1/4/131483152/babuz.pdfIn PDF document text
  • http://pantryscan.com/123cars/imagefck/file/pinetodajufol.pdfIn PDF document text
  • http://tcgardening.com/userfiles/file/2022021601541273499.pdfIn PDF document text
  • https://japarikadag.weebly.com/uploads/1/3/4/1/134108792/damekazofebex.pdfIn PDF document text
  • https://wizamezuladad.weebly.com/uploads/1/3/4/3/134351213/ruripu.pdfIn PDF document text
  • https://ka-base.no/images_content/file/zibuvadimipaji.pdfIn PDF document text
  • https://miboxijudowisu.weebly.com/uploads/1/3/4/4/134491333/gowinutufedufikuruve.pdfIn PDF document text
  • https://happyfun.tw/uploads/files/202202212146538632.pdfIn PDF document text
  • http://salonorganica.ru/upload/files/wojobesa.pdfIn PDF document text
  • http://thiennhanduong.com/ckeditor/kcfinder/upload/files/sikigufozavobixudetalula.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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