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://zajinet.ru/123?utm_term=dota+2+auto+chess++steam PDF link annotation

  • https://cdn.sqhk.co/pixafosabow/hiUiioY/sudoku_medium.pdfIn PDF document text
  • https://cdn.sqhk.co/wixexozesila/heqichh/lelobotisizexizorefitelo.pdfIn PDF document text
  • https://cdn.sqhk.co/ninuxoti/NhggdHq/moneygram_money_order_service_charge.pdfIn PDF document text
  • https://cdn.sqhk.co/tebefaravuz/c4XogcL/2940298599.pdfIn PDF document text
  • https://cdn.sqhk.co/nozujeraguje/Rr5v7jd/zujazez.pdfIn PDF document text
  • https://cdn.sqhk.co/kominepoli/ifhdsgb/ice_princess_full_movie_disney_free.pdfIn PDF document text
  • https://cdn.sqhk.co/xeveweno/hhfrBja/32666890050.pdfIn PDF document text
  • https://cdn.sqhk.co/kovezozeseg/ziejjsZ/how_to_draw_anime_curly_hair_male.pdfIn PDF document text
  • https://cdn.sqhk.co/rupomotiz/Kkyjagf/my_btc_wallet.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393790/normal_603be547ae6be.pdfIn macro / runtime command snippet
  • https://cdn.sqhk.co/mowanideju/ighOSZa/rolozevo.pdfIn macro / runtime command snippet
  • https://cdn.sqhk.co/rebamomidaw/iiyjcjg/tiwerapokijubenare.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366311/normal_6047a1358e672.pdfIn PDF document text
  • http://ezfix.asia/993554689204e58z.pdfIn PDF document text
  • https://cdn.sqhk.co/jopubelo/gfGhd6j/pewdiepie_world_download_minecraft.pdfIn PDF document text
  • http://yozi.store/habit_tracker_printablezg5il.pdfIn PDF document text
  • https://cdn.sqhk.co/mewovegid/gMhdNhi/lujefoxepiwubisa.pdfIn PDF document text
  • https://cdn.sqhk.co/gizafimode/mvThjeu/xatidug.pdfIn PDF document text
  • https://cdn.sqhk.co/rupomotiz/Kkyjagf/myIn macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://ba85394b-11ac-4ca4-926b-74ca936c52e1.filesusr.com/ugd/5ccfc8_46ae0bdaec044a21b4cd040ce8e0c0fe.pdf?index=trueIn PDF document text
  • https://86a9da1b-0b57-4b35-a77a-523886b904cd.filesusr.com/ugd/0d9a50_571251bdd26b4998b4e58deecc27fc0f.pdf?index=trueIn PDF document text
  • https://d1ced4a1-fa29-4c66-b583-77209f32159a.filesusr.com/ugd/c88d8b_12412659672f4ffd93749d657bf9d6ad.pdf?index=trueIn PDF document text
  • https://f07eb630-23ff-4298-a1df-d7940f1ba2dc.filesusr.com/ugd/097a5b_f286247eb50541fba2478ae95f557d95.pdf?index=trueIn PDF document text
  • https://cc968bdf-8a18-4a65-a72d-893c706ef441.filesusr.com/ugd/bae363_968ea801ca0442218f2c22c0a6e51ac1.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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