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://leonvi.ru/wix?keyword=how+to+pronounce+authors+last+name+hsu PDF link annotation

  • http://jaxebememapi.iblogger.org/xividetesewevifelagenunu.pdfIn PDF document text
  • https://cdn.sqhk.co/jobubexivex/jejbaif/nuzovikiparuvezizaz.pdfIn PDF document text
  • https://cdn.sqhk.co/xapanularopu/Jhfgc4L/1963571604.pdfIn PDF document text
  • https://cdn.sqhk.co/sebutarukaw/ja32hdt/cvcc_word_family_list.pdfIn PDF document text
  • http://jedomagisuw.getenjoyment.net/84907476044.pdfIn PDF document text
  • https://cdn.sqhk.co/nobutowug/gdjiOBH/sipivifaw.pdfIn PDF document text
  • https://cdn.sqhk.co/zezetemirag/Uididjj/osm_beginners_guide.pdfIn PDF document text
  • https://cdn.sqhk.co/palezubifo/jZ4geqb/cover_orange_2_level_10-_20.pdfIn PDF document text
  • http://kaxasujigunabew.iblogger.org/iron_man_coloring_sheet.pdfIn PDF document text
  • http://tepugorotewole.medianewsonline.com/41696546669.pdfIn macro / runtime command snippet
  • http://zimejitudik.iblogger.org/7687506068.pdfIn PDF document text
  • https://cdn.sqhk.co/relulapezele/dJX2fie/mizuzagunakakuliwa.pdfIn PDF document text
  • https://cdn.sqhk.co/nedupugifuka/jcFigRJ/lock_in_report_definition_english.pdfIn PDF document text
  • http://kaxasujigunabew.iblogger.org/iron_man_colorinIn macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://wereguvepowu.epizy.com/78424846092.pdfIn PDF document text
  • https://45f61934-b4a1-4335-a9e3-e142d9465b5b.filesusr.com/ugd/0dd040_4faa7c9d1947404486365f4d2931ee21.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/bf0d815c-3deb-4d20-a4a0-1cef4e1a9e6f/life_recovery_bible_app.pdfIn PDF document text
  • https://804b95bc-9ca4-448d-a094-5a8e1ff69a26.filesusr.com/ugd/99d1da_57ce4dadaf2b4c219c06ce1e4d0449d7.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/3bd43e7b-fbf4-4df0-a0c5-12c2a11138b1/front_porch_screen_door_ideas.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/358a951a-7989-4f2d-91ad-ea0504ce3a28/how_to_reset_router_from_cmd.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/80b148f4-8ab6-4e5b-a5b4-db11c8431723/nancy_drew_and_the_hidden_staircase.pdfIn PDF document text
  • http://lewinozed.atwebpages.com/white_fang_movie_2018_wikipedia.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/83f3c0c7-5910-421a-a7f4-a0d064efd06f/36290274050.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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