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/wix?keyword=workbook+for+diagnostic+medical+sonography+answers+chapter+10 PDF link annotation

  • https://cdn.sqhk.co/bagadogod/haieig7/sony_frantics_playlink_game_ps4.pdfIn PDF document text
  • https://besikutusesa.weebly.com/uploads/1/3/2/6/132681218/losisadanoxa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4488572/normal_5fd2dded3cf66.pdfIn PDF document text
  • https://cdn.sqhk.co/kotoweraga/5z3xO00/93404935754.pdfIn PDF document text
  • https://babanude.weebly.com/uploads/1/3/4/0/134017813/lusex.pdfIn PDF document text
  • https://kisisegexorev.weebly.com/uploads/1/3/2/3/132302984/fuvirokiv_xizowumajisuvax.pdfIn PDF document text
  • https://cdn.sqhk.co/zitiwofiru/hd9ieha/happy_face_daycare_chesterville_ontario.pdfIn PDF document text
  • https://cdn.sqhk.co/zozimevoket/W5sghhd/10174298471.pdfIn PDF document text
  • https://cdn.sqhk.co/livatunozasu/Ju8ijhe/anti_aircraft_artillery_battalion.pdfIn PDF document text
  • https://cdn.sqhk.co/fetadupozo/Phdg6ic/hockey_scoreboard_ceiling_light_fixture.pdfIn PDF document text
  • https://cdn.sqhk.co/niserutom/fs5XhjI/kong_fu_zi_openrice.pdfIn PDF document text
  • https://cdn.sqhk.co/rigowodikot/uw7Zgga/77404618326.pdfIn PDF document text
  • https://cdn.sqhk.co/kisesawaropo/uViQhaK/92359220553.pdfIn PDF document text
  • https://kuwuxegizeduki.weebly.com/uploads/1/3/2/6/132695805/guzufavomosigam.pdfIn PDF document text
  • https://dagatofolake.weebly.com/uploads/1/3/0/8/130874029/1736986.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4385636/normal_5fcaca39b876a.pdfIn PDF document text
  • https://cdn.sqhk.co/livefivepa/gfajiig/sopipelixavo.pdfIn PDF document text
  • https://cdn.sqhk.co/faroziwe/gcX4d0Q/drug_conspiracy_charges_in_texas.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4403685/normal_5fc9c081224b9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4419412/normal_604ffef779acd.pdfIn PDF document text
  • https://cdn.sqhk.co/kovixileta/gPjaih4/business_relationship_manager_job_description.pdfIn PDF document text
  • https://cdn.sqhk.co/fogobewataja/cmDohgM/41410397599.pdfIn PDF document text
  • https://cdn.sqhk.co/fiwujumejuf/iiEhhij/50_games_unblocked.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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