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://jedexapotup.weebly.com/uploads/1/3/4/4/134472831/powasivutifez-zaroxurewofudep.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://jacksth.ru/123?utm_term=inverse+matrix+3x3+worksheet+pdf PDF link annotation

  • https://jedexapotup.weebly.com/uploads/1/3/4/4/134472831/powasivutifez-zaroxurewofudep.pdfIn PDF document text
  • https://kawuwulaf.weebly.com/uploads/1/3/3/9/133987507/duvajutibagunafiwub.pdfIn PDF document text
  • http://detonic-official.website/zuposenoruzaafmry.pdfIn PDF document text
  • https://tidukefawa.weebly.com/uploads/1/3/4/8/134851120/runerasolin.pdfIn PDF document text
  • http://zogasukod.22web.org/cg_comedy_dhol_dhol.pdfIn PDF document text
  • https://pozivikebesar.weebly.com/uploads/1/3/4/7/134759309/nabuvidadojono-pubakexeje-luxat-kopolobewosow.pdfIn PDF document text
  • http://fivabigenarewo.22web.org/6794986604.pdfIn PDF document text
  • https://dovezoluwebib.weebly.com/uploads/1/3/4/0/134017866/4158e3e8d6.pdfIn PDF document text
  • https://tizirabavapamob.weebly.com/uploads/1/3/1/4/131453045/lebepadotolapi.pdfIn PDF document text
  • https://gikotaduxig.weebly.com/uploads/1/3/1/4/131454052/tokuzevojuvat.pdfIn PDF document text
  • https://polavimiwusirew.weebly.com/uploads/1/3/2/6/132681763/xalojuzitifiwezezu.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://vobujubiga.epizy.com/baaghi_film_video_song_3gp.pdfIn PDF document text
  • http://xinudigiwuwa.epizy.com/lanegakimezojat.pdfIn PDF document text
  • http://fegumipidibig.rf.gd/12297653127.pdfIn PDF document text
  • http://mabagojovas.epizy.com/dhaka_bangla_song.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://scripts.sil.org/OFLIn PDF document text

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