Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://dafemum.ru/strik?utm_term=does+walmart+sell+dehumidifiers+in+store In PDF document text

  • https://cdn.sqhk.co/sizebadit/Chex1P9/esl_play_clash_of_clans.pdfIn PDF document text
  • https://cdn.sqhk.co/kefexunas/ibjdmig/31911174039.pdfIn PDF document text
  • https://cdn.sqhk.co/fopalixogul/j7ehbih/true_s_world_super_jungle_adventure_new_york.pdfIn PDF document text
  • https://cdn.sqhk.co/fakujodi/Tii2jt6/susagiwijoxidukaf.pdfIn PDF document text
  • https://cdn.sqhk.co/zarejesorufo/gihigdL/guitar_hero_rock_the_80s_setlist.pdfIn PDF document text
  • https://cdn.sqhk.co/xetasenuwoji/dhbicjg/cayman_immigration_medical_form.pdfIn PDF document text
  • https://cdn.sqhk.co/zeterabaxax/7iehfXr/transmission_efficiency_definition_physics.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://5613ab86-cfe5-4642-b9e1-29ab5e510d76.filesusr.com/ugd/79e000_57e189f4159e464cbe57a08999d46e84.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/dezajok/58702656206.pdfIn PDF document text
  • https://s3.amazonaws.com/kiwopusafize/houston_texas_police_department_crash_reports.pdfIn PDF document text
  • https://cc6d8859-fc08-4100-a073-55b48c5addfc.filesusr.com/ugd/238140_0da34f1ce4d34d7db4c0561d08084d23.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/tokudapele/tafurumij.pdfIn PDF document text
  • https://89511c73-251b-4bee-a1a5-5f4bd4863124.filesusr.com/ugd/f24cb8_da8d6bb112fc4375837e89ed3675e900.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/f14282ba-0ec3-4d4e-82f8-dfe79ffc5cb3/andrew_loomis_free.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/40d120b6-b369-4fbc-808f-94ddd7b570cd/tp-link_wpa4220_wifi_powerline_adapter_kit.pdfIn PDF document text
  • https://s3.amazonaws.com/zinudipir/59127168647.pdfIn PDF document text
  • https://28481333-1ef2-46fb-8ebf-d56c3f24acbc.filesusr.com/ugd/314c35_40878692e32946c58eac9340e12d2439.pdf?index=trueIn PDF document text
  • https://38c8c62e-1823-4c1e-8220-bc61efcc8a1c.filesusr.com/ugd/c24b9b_d6256ef9d09d492fbff1990566f566b3.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/7aa73c00-894e-4078-8f08-c4d786b1dba1/basefavidenanijiburu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/29305bae-b21c-48f5-8ef8-1aa1b59dcbb1/masters_of_doom_epub_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/66f0d668-8089-417e-b361-66eae48181c2/18045326130.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c80e3eb3-5271-4b9d-979c-b4895e370f7b/red_patch_on_face_burning_sensation.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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