Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://soxebez.ru/123?utm_term=adobe+stock++to+computer.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://soxebez.ru/123?utm_term=adobe+stock++to+computer PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4474736/normal_605436fe9ca4d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417329/normal_6018f24a1c36e.pdfIn PDF document text
  • http://hempmap.ru/mail_beavercreek_k12_oh_us_elkrp2_logintqxkm.pdfIn PDF document text
  • http://feedbacrnz.space/mipuninch3ip.pdfIn PDF document text
  • https://cdn.sqhk.co/buvaboda/jfieEyA/wufiduzibe.pdfIn PDF document text
  • https://cdn.sqhk.co/wizokawoxo/giehFSH/50589729601.pdfIn PDF document text
  • https://cdn.sqhk.co/fakosopalo/gridP1H/real_football_2015_download_java.pdfIn PDF document text
  • http://mp4.design/linetakekej4sps4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386848/normal_5fd158556c52e.pdfIn PDF document text
  • https://cdn.sqhk.co/zesojesiwi/gd3Sil1/7151829326.pdfIn PDF document text
  • https://cdn.sqhk.co/vobevufubito/dvhenii/boat_images_free_download.pdfIn PDF document text
  • http://bcpzon4segurabetaviabcp.com/skyrim_dragon_speak_mod25j9b.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/5b87b4f3-1ee0-4f2e-b01c-517ab28b7e16/1643097225.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3d55f308-cda4-4a36-ba30-8694746c8c2a/94755708950.pdfIn PDF document text
  • https://a1f0096d-76f5-425c-b826-5ccbd312c1bc.filesusr.com/ugd/8f8c07_5b34a42ec9464c5782cb96d1b774548d.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/c12a3c2f-0f7a-4181-866d-bca642805793/samsung_led_tv_software_update_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e69e147b-ed33-4902-a02f-7813a9222e61/how_to_reset_a_roku_remote_control.pdfIn PDF document text
  • https://a7176590-a44a-43b4-8b25-1171fb6190ac.filesusr.com/ugd/e6ccb8_6fc0e9d2d96f4bd1b46c5968e5bf0d56.pdf?index=trueIn PDF document text
  • https://c36efdde-2309-4ce2-a10d-b6df2ce12cd8.filesusr.com/ugd/e98059_31072cfe9c044c88b19c3f0806912438.pdf?index=trueIn PDF document text
  • https://da54c32a-99c7-4590-8520-800dd2d1cae3.filesusr.com/ugd/7973d2_48fa3325271e4680afb9213e9bd9edf0.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/a855283e-a19e-4f97-8040-7c125b1a4f13/los_trece_signos_del_teatro.pdfIn PDF document text
  • https://c63359c4-faa5-40af-ad11-254ddd3d100c.filesusr.com/ugd/838c33_f1a80f657535495ab7f3d0b89c9be1b7.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/59c733a5-bf29-4189-9e8e-c6b4d5ece890/56019812345.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0d014fc9-3c48-472c-b464-ef00108ff54c/texamidexagero.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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