Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://yafferge.ru/wix?keyword=should+i+consent+to+tucows In PDF document text

  • https://cdn.sqhk.co/zogameva/htp6Pid/vajafuwik.pdfIn PDF document text
  • https://cdn.sqhk.co/ketusugedi/8ijjeKU/killer_bean_unleashed_mod_apk_android_1.pdfIn PDF document text
  • https://cdn.sqhk.co/jaguwubax/jfyVdgg/xotefawubofesarodomerevet.pdfIn PDF document text
  • https://cdn.sqhk.co/wofunukasu/hihajjY/simple_modern_desk_chair.pdfIn PDF document text
  • http://kelnoteres.xyz/12198915771wnjaz.pdfIn PDF document text
  • http://rastet-malysh.ru/67548483016ovkl1.pdfIn PDF document text
  • https://cdn.sqhk.co/fabozesemi/v3ihujb/device_manager_shortcut_win_7.pdfIn PDF document text
  • https://cdn.sqhk.co/bamazaludez/YifIMib/final_fantasy_iv_psp_download.pdfIn PDF document text
  • http://naturwow.space/zapabini0542m.pdfIn PDF document text
  • https://wutupebepa.weebly.com/uploads/1/3/3/9/133997315/12331f1fed2.pdfIn PDF document text
  • https://tiwofimobodes.weebly.com/uploads/1/3/4/0/134040820/6727629.pdfIn PDF document text
  • https://cdn.sqhk.co/wigatozaduw/ijjexCR/electrical_panel_calculator_free_download.pdfIn PDF document text
  • https://renixopofofof.weebly.com/uploads/1/3/4/4/134486295/nesajukogudogoluf.pdfIn PDF document text
  • https://cdn.sqhk.co/jufenakajo/Nhez9YO/working_days_calendar_2019_ireland.pdfIn PDF document text
  • https://cdn.sqhk.co/busumodofu/U4gjAZw/portal_quest_fantasy_examples.pdfIn PDF document text
  • https://cdn.sqhk.co/vawikepaf/Iibzgx3/rewodi.pdfIn PDF document text
  • https://cdn.sqhk.co/dudumadopole/jcHgeja/67084033142.pdfIn PDF document text
  • https://cdn.sqhk.co/lebogomatoze/cURLhcN/39211232612.pdfIn PDF document text
  • https://zopokobo.weebly.com/uploads/1/3/1/3/131383813/772772.pdfIn PDF document text
  • http://netewe8.xyz/canon_rebel_t5_lens_hoodiqks1.pdfIn macro / runtime command snippet
  • http://white-x.fun/vetipipoderupumawetetase4smt.pdfIn PDF document text
  • https://zopokobo.weebly.com/uploads/In macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/ribowexulo/14616191572.pdfIn PDF document text
  • https://s3.amazonaws.com/kukupunopedon/airplane_crash_reports.pdfIn PDF document text
  • https://s3.amazonaws.com/fipijife/xifajogib.pdfIn PDF document text
  • https://s3.amazonaws.com/sinamozagemoger/49756845663.pdfIn PDF document text
  • https://s3.amazonaws.com/tarizirefevifab/40527486787.pdfIn macro / runtime command snippet
  • 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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