Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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
• Macro/content-enable lure medium SE_ENABLE_LURE
  Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
• 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://nipisod.ru/123?utm_term=agonist+and+antagonist+drugs+pdf PDF link annotation

  • https://s3.amazonaws.com/wazotojemov/83570938855.pdfIn PDF document text
  • https://cdn.sqhk.co/tanusulirava/e5qihjg/3499206363.pdfIn PDF document text
  • http://jezolixepoj.22web.org/a_room_with_a_view_full_text.pdfIn PDF document text
  • https://s3.amazonaws.com/fulosobezur/42814615605.pdfIn PDF document text
  • https://s3.amazonaws.com/fezenur/20013741556.pdfIn PDF document text
  • https://s3.amazonaws.com/voxipanovigepiv/96356851749.pdfIn PDF document text
  • https://s3.amazonaws.com/pogolo/2006_honda_civic_hybrid_brake_problems.pdfIn PDF document text
  • http://wedejopejujotu.iblogger.org/basara_2_heroes_dolphin_emulator.pdfIn PDF document text
  • https://cdn.sqhk.co/pugirunosamo/aLjgjdv/7774813144.pdfIn PDF document text
  • https://cdn.sqhk.co/tawavumazo/hbgigjj/getabedugopolenexoj.pdfIn PDF document text
  • https://s3.amazonaws.com/fivebo/city_of_thieves_movie.pdfIn PDF document text
  • https://s3.amazonaws.com/godoremitiwuja/ashrae_psychrometric_analysis_cd.pdfIn PDF document text
  • https://cdn.sqhk.co/vopuvafamiw/7gcYggJ/history_of_medieval_music.pdfIn PDF document text
  • https://s3.amazonaws.com/wexukufedepim/media_agency_company_profile.pdfIn PDF document text
  • https://cdn.sqhk.co/patizuruf/fjghgje/sirezevutobobuludumitanop.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://be08d7d4-326a-4801-be9d-4496af17a43b.filesusr.com/ugd/d31907_db7ff0b81f64461ba56a2ce3f90b904d.pdf?index=trueIn PDF document text
  • https://6e3eaeb2-b9dd-4462-8b56-96c59beebd9a.filesusr.com/ugd/dcc11b_366bffb7c2824c019e546e82574d07bf.pdf?index=trueIn PDF document text
  • https://5634f520-c25d-421d-ab67-3d94505d13cb.filesusr.com/ugd/1b85ab_0489911c4c654e2dac504a4d41a224c9.pdf?index=trueIn PDF document text
  • https://35479656-6a94-44d6-ac55-da507c14a2ae.filesusr.com/ugd/d68318_46aef778c0634b01a2e24e3f6f30878c.pdf?index=trueIn PDF document text
  • https://d3dd75b0-514a-4dbf-a1f7-973a5b421fb1.filesusr.com/ugd/5b46ec_dfef380491a8461b8a20d121665edf36.pdf?index=trueIn PDF document text
  • https://37976aa0-f55f-47d3-847a-8d185b13ebf6.filesusr.com/ugd/1d6212_35360dfc33794437985c943d208a07cc.pdf?index=trueIn PDF document text
  • https://e432c3f7-acc0-403b-bc7f-1b8c16782643.filesusr.com/ugd/6a4899_d695df963fff4c54af7289a90dbf76e0.pdf?index=trueIn PDF document text
  • https://03df18d0-0a94-4077-8b44-1f3cf8b7c870.filesusr.com/ugd/23a6c3_1e1e7c96087e4d96af0f74db9ea75f8c.pdf?index=trueIn PDF document text
  • https://64f1e6a9-4530-4009-9f9b-67b91dd69f79.filesusr.com/ugd/76b6de_27455b81afba4ea68c8e1ddc5c6f2647.pdf?index=trueIn 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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