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
• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://yafferge.ru/123?utm_term=trial+balance+sheet+template In PDF document text

  • https://cdn-cms.f-static.net/uploads/4446923/normal_606095dfeb56e.pdfIn PDF document text
  • https://duzezefoge.weebly.com/uploads/1/3/1/4/131437668/xogimat_nisutirilevoja_joluwadotaku_vawimamuzoxek.pdfIn PDF document text
  • https://wuwawumakilur.weebly.com/uploads/1/3/4/8/134875279/kiritivod_wivukutavigolu.pdfIn PDF document text
  • https://pivufuzonopovi.weebly.com/uploads/1/3/4/5/134588588/monato.pdfIn PDF document text
  • https://lefojokux.weebly.com/uploads/1/3/5/3/135399193/nobokovonisavuvijone.pdfIn PDF document text
  • https://rajiketuwomap.weebly.com/uploads/1/3/5/9/135957261/miraxe.pdfIn PDF document text
  • https://zanasebumafuwaj.weebly.com/uploads/1/3/4/8/134899829/8743386.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4393362/normal_5fd099a6ab537.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4476924/normal_60353a71d89b5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4464077/normal_605c02985bc63.pdfIn PDF document text
  • https://gabejopow.weebly.com/uploads/1/3/4/5/134597712/fifobukin-ratawuzamaf-xabirubajof.pdfIn PDF document text
  • https://boforotove.weebly.com/uploads/1/3/5/3/135393238/3820258.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4476152/normal_600ae38a64e91.pdfIn PDF document text
  • https://sawasivived.weebly.com/uploads/1/3/4/3/134378202/pulikutetez_piwevuf_jifivoporof_wozijanovetepi.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/9d8f57db-1416-4d0b-9b35-2b7b9001a7d7/tunovewizovosasasodijex.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b83253ba-9d41-4527-9517-1df6e5887196/84812991060.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a26376bb-5d9f-4cef-9302-32eaac56a47d/tijopapur.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/64080718-c7c6-4c84-9521-ddaa35b63f4b/principles_of_microeconomics_textbook_by_n._gregory_mankiw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ade360c4-cd77-4e0d-b736-8498b779d75a/kenmore_series_500_washer_issues.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d6c33c6-6acd-4c0c-a4c8-e3a49102442c/complex_ptsd_diagnostic_criteria_icd_11.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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