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://lozipotod.ru/strik?utm_term=marlin+336c+curly+maple+review PDF link annotation

  • https://cdn.sqhk.co/xaselavub/NxsFheh/best_photo_slideshow_with_music_app_download.pdfIn macro / runtime command snippet
  • http://botavubapisod.mywebcommunity.org/etymology_of_politics.pdfIn PDF document text
  • http://labifovejes.mypressonline.com/clinical_cases_uncovered_infectious_diseases.pdfIn PDF document text
  • https://wejolizamu.weebly.com/uploads/1/3/4/7/134766198/9627296.pdfIn PDF document text
  • https://cdn.sqhk.co/joxutedunik/u7Kjtja/office_day_rent.pdfIn PDF document text
  • https://tajolakafu.weebly.com/uploads/1/3/1/4/131454466/duwazam_bujuzumuv.pdfIn PDF document text
  • https://cdn.sqhk.co/lepavenujal/vhazj9f/estimate_calculator_mixed_fractions.pdfIn PDF document text
  • https://cdn.sqhk.co/jaxabofapuw/jbhbhdz/zasitavevikarijozezig.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/fd059970-b116-48cc-a323-522bdba277b2/hitlers_table_talk_trke.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/203563d2-c471-4ea6-9825-7eb22139ced6/covers_of_carry_on_wayward_son.pdfIn PDF document text
  • https://0115c081-d8bc-4983-a705-81db93bf1442.filesusr.com/ugd/990402_70e638ed7b084e31a1a08428c9334be7.pdf?index=trueIn PDF document text
  • https://9170d309-caca-4186-8987-bf6b40ce219c.filesusr.com/ugd/baef12_75695600067c42aeacd0a597a52c3fcc.pdf?index=trueIn PDF document text
  • https://f8071fb1-33dc-4bb9-9fe9-292e0ca0d861.filesusr.com/ugd/253000_7ee46a78498843bbbd369e6574dbd104.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c6f8356-47d2-47d5-81db-6650955d9159/dilabenaw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5b2cfc31-5fcb-448b-98db-fa257f185e6b/72204983180.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e33af0da-9c25-4fb6-bad4-744cf7f91c34/how_to_reset_nordictrack_treadmill_c990.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a34be6d4-69a2-4195-9749-c15cbe683c37/87186500455.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
  • https://uploads.strikinglycdn.com/files/In macro / runtime command snippet
  • 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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