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.
• 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.
• 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://bologen.ru/strik?utm_term=how+did+japan+grow+its+economy PDF link annotation

  • https://cdn.sqhk.co/fexiseme/gjx4JCQ/musynx_ps4_gameplay.pdfIn PDF document text
  • http://lutunabobofipus.22web.org/bethel_reckless_love_chords.pdfIn PDF document text
  • http://gbo.guru/crochet_hat_patterns_for_free5p0ce.pdfIn PDF document text
  • https://cdn.sqhk.co/xubipoxeguza/bZedXhc/entergy_new_orleans_phone_number.pdfIn PDF document text
  • https://cdn.sqhk.co/mukibusu/i3jj9if/devil_ninja_2_mission.pdfIn PDF document text
  • https://cdn.sqhk.co/nokotadi/jgwWWja/ice_cream_shop_names_list.pdfIn PDF document text
  • http://myyshooop227.site/mahalaxmi_calendar_2020_free_downloadyh0mv.pdfIn PDF document text
  • http://fovazewo.iblogger.org/venue_report_san_diego_bachelorette.pdfIn PDF document text
  • https://cdn.sqhk.co/nurofiwele/hjajcBN/wemamitewukusudimosobeb.pdfIn PDF document text
  • http://torchland.xyz/foseremodomj0n3.pdfIn PDF document text
  • https://cdn.sqhk.co/woxemumi/lUEgcmD/video_player_apk_download.pdfIn PDF document text
  • https://cdn.sqhk.co/kezomerameki/uuGZgij/barbecue_sauce_calories.pdfIn PDF document text
  • https://48e4e0df-78ce-4736In macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://8b62b971-d575-4461-ae89-9de7a2afac08.filesusr.com/ugd/c5a911_274b9a6f74b34908b3e44185ca8528f1.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ac956c7-3ec5-4c85-a826-a8d7efb1650a/81802662831.pdfIn PDF document text
  • https://69669160-cc20-42a3-bfef-e1e1fd1f8163.filesusr.com/ugd/8094a4_b8ba04e661334d9093cda4eecc8690e7.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/e42c1180-b16d-44e1-ac18-07188e9504b6/lizipiwerosox.pdfIn PDF document text
  • https://170a7d3c-74f0-42f5-9ead-98ae292a4922.filesusr.com/ugd/a18aa6_72703c6d51124c069b4e78b0efd39f87.pdf?index=trueIn PDF document text
  • http://jepameji.rf.gd/danganronpa_2_class_trial_3_guide.pdfIn PDF document text
  • http://kuxoxulid.epizy.com/how_to_clean_the_char_broil_big_easy.pdfIn PDF document text
  • https://48e4e0df-78ce-4736-8797-27735e68dc67.filesusr.com/ugd/f3b179_0c9182e9db13422e91a72e29b7392a54.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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