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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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=free+ftp+site+to+upload+files PDF link annotation

  • https://cdn.sqhk.co/dukoredod/ibhboEA/13422612489.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4381340/normal_600928f2d95a1.pdfIn PDF document text
  • https://cdn.sqhk.co/kazamepa/ghiicjg/67290105431.pdfIn PDF document text
  • https://cdn.sqhk.co/kibutonap/gj5dtLc/mix_paint_colors_chart.pdfIn PDF document text
  • http://wumalazari.22web.org/rockabye_full_song_free.pdfIn PDF document text
  • https://cdn.sqhk.co/repudodo/1jdhciP/heart_of_darkness_3d_glasses.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414695/normal_6036cc3f03621.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4480905/normal_60451466246c7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421061/normal_604d5c087aa79.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4413469/normal_5fce9a1290b81.pdfIn PDF document text
  • https://cdn.sqhk.co/fupupusamun/jdbibnU/59151060494.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://033a7475-7ccb-45c1-8f1e-38fd320d48d0.filesusr.com/ugd/03a576_4f3ce0da2c024f10a4123c02b7e4440f.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/90a02b23-703d-4cfc-8fb2-1f0d40a64ab4/49942990224.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/03858be3-c991-4666-bec7-17bcd2451ae2/vienna_chestnut_netherland_dwarf.pdfIn PDF document text
  • https://9764c975-acb6-4bd5-a3ff-b1f4624bc9bc.filesusr.com/ugd/5bcb7b_454341a2f3c545eeb34d0af00eff29e5.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/5204ae29-094e-4828-bb2b-a584abc4ab8d/rabbit_hole_bourbon_sherry_review.pdfIn PDF document text
  • https://081e7fb2-604d-424b-9b75-a58d54a71a44.filesusr.com/ugd/abd6ea_e04bc849a0174c87ac3573bff0cbe146.pdf?index=trueIn PDF document text
  • https://9ebe8999-295a-4f11-87dc-c96f3e1b46ff.filesusr.com/ugd/8de238_8c1f6b2c878c429680e49bb299c14952.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/138bc6b0-4bc9-449b-944d-ae6f807ff71f/84079551993.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e758f2c-5a0d-4b9f-b570-2a2a2a585834/what_are_the_biblical_ages.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/31584848-a12b-40b7-b716-e10278bc5d8d/best_place_to_buy_grass_seed_near_me.pdfIn PDF document text
  • https://28f2c00a-638b-45ec-8848-4d649cb6aba9.filesusr.com/ugd/946f28_0001fcec261a484980e447b4fee9b140.pdf?index=trueIn PDF document text
  • http://witanubi.epizy.com/23563412962.pdfIn PDF document text
  • http://bixodog.rf.gd/84060583493.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/42d893c4-a89c-4847-918a-1f4c26b0c78d/how_to_enable_adobe_flash_player_chrome.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/279b6194-82c8-4d8c-be54-6145dcc46442/57722975427.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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