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.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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=is+the+tokyo+ghoul+re+anime+good In PDF document text

  • https://cdn.sqhk.co/xeduwukaxusa/ielWjeu/fikivovazijidu.pdfIn PDF document text
  • http://tadosuzewamu.medianewsonline.com/can_you_whitewash_with_chalk_paint.pdfIn PDF document text
  • http://xefopuro.mypressonline.com/xisezinudufibometugixak.pdfIn PDF document text
  • http://mawosatejojeka.sportsontheweb.net/mastoiditis_pediatria.pdfIn PDF document text
  • http://tiluvopira.medianewsonline.com/amazon_web_services_in_action_github.pdfIn PDF document text
  • http://lapitubemexidi.mywebcommunity.org/how_to_make_money_as_a_programmer_in_college.pdfIn PDF document text
  • http://pedugubugof.mywebcommunity.org/how_to_set_location_on_rip_curl_tide_watch.pdfIn PDF document text
  • https://cdn.sqhk.co/napumefu/RidMgiG/thriftbooks_coupon_september_2020.pdfIn PDF document text
  • https://30383b9b-b26a-44f4-9a26-03873af8In macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://3176e400-c268-4dc0-8d69-08eae86937f8.filesusr.com/ugd/ea2f88_15e49e5f18a14e0d9f9da005ad9d82e3.pdf?index=trueIn PDF document text
  • https://77abcf6a-1f47-4233-a5f7-28832101be0a.filesusr.com/ugd/e29e5c_eb4dc6ca9fa24e7da6d9204dd0e86cc7.pdf?index=trueIn PDF document text
  • https://46c19374-600d-43be-a5f2-d8bf07c6fddf.filesusr.com/ugd/cc94a4_2fe218f92d294d7fad67e726d8098c89.pdf?index=trueIn PDF document text
  • https://c78267de-509c-4cb0-9394-6b21b7876e04.filesusr.com/ugd/290ce3_73e1260ee8124523bcac8d2b3b4d1e7a.pdf?index=trueIn PDF document text
  • http://fuwutowamig.myartsonline.com/baixar_creator_em_portugues.pdfIn PDF document text
  • https://b913155d-2712-4fd4-bcc6-651970a8c456.filesusr.com/ugd/e39924_8ff7b2ddc25944e8bf08ff775bf094c1.pdf?index=trueIn PDF document text
  • https://170d08c7-2527-4f8e-8bc4-cf7f6ffab704.filesusr.com/ugd/afe24e_95c930a04f7243aba9459c6e1ca93b98.pdf?index=trueIn PDF document text
  • https://246406bc-bb0d-4f29-baed-d8a6153a9543.filesusr.com/ugd/3ddeef_d101a1103bd446fbbba791e6b642a225.pdf?index=trueIn PDF document text
  • https://d920bd67-dfaf-4c99-85b0-fcb8118dfb91.filesusr.com/ugd/383849_f62a569a32d447fa8cf378ddb5856901.pdf?index=trueIn PDF document text
  • https://eda15335-3b41-4752-a6ea-ca28a3d9ec24.filesusr.com/ugd/db55a9_0579a146061c40359198abe0d86c276b.pdf?index=trueIn PDF document text
  • http://wiloradakuno.onlinewebshop.net/how_to_reset_dsc_security_panel.pdfIn PDF document text
  • https://19eae752-0dc2-40b2-988a-3ead9c543f91.filesusr.com/ugd/dee0a8_8a6a112be4c04d0caee7eca16d5be842.pdf?index=trueIn PDF document text
  • https://30383b9b-b26a-44f4-9a26-03873af8f03c.filesusr.com/ugd/fdee49_e13e0b1510b74f04bfee7819e85be3e3.pdf?index=trueIn 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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