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.
• 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://zajinet.ru/award?keyword=angular+2+interview+questions+and+answers+for+experienced+pdf PDF link annotation

  • http://study-english-05.site/jivexofugeribimitenunigumkfob3.pdfIn PDF document text
  • https://cdn.sqhk.co/govazofaj/ivgGheC/card_maker_creator_for_crc.pdfIn PDF document text
  • http://mihetos.xyz/metodologia_estudio_de_casogy2gx.pdfIn PDF document text
  • https://cdn.sqhk.co/miwataxanis/iegjrie/vekodiwisevenep.pdfIn PDF document text
  • http://studyweb.site/how_to_draw_qam_constellation_diagramig5n3.pdfIn PDF document text
  • http://subfamjtii.site/22960793369lwiew.pdfIn PDF document text
  • https://cdn.sqhk.co/kafevinuva/9jaBzjf/anime_wallpaper_android.pdfIn PDF document text
  • http://comp-arenda.site/siwamelozabsnu.pdfIn PDF document text
  • http://pmaider.com/motu_ultralite_mk3_firewire_manual04mwx.pdfIn PDF document text
  • https://cdn.sqhk.co/fasotaluvose/0hbxh4J/the_walking_dead_michonne_game_voice_actors.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://ff19a39e-637c-4fc6-80cc-750024e8dd37.filesusr.com/ugd/d217e2_5712892fd589431eb9b887a35b2026ad.pdf?index=trueIn PDF document text
  • https://694dae7a-2033-4a59-8b06-91ff4eec0774.filesusr.com/ugd/e1d58f_496ba6565194492eafa92cc82cfa0430.pdf?index=trueIn PDF document text
  • https://f0ddeb88-3549-4a27-8821-6e3dd713f165.filesusr.com/ugd/2b74da_f274722265e04a37a57c6a520e3f7e3b.pdf?index=trueIn PDF document text
  • https://ac263381-fdad-4fda-ae78-6df6d71032d6.filesusr.com/ugd/25c42e_08840ed4c7a54e12a3d221ae8d29dd65.pdf?index=trueIn PDF document text
  • https://57933e30-1e86-4cbe-ad2b-777cb72f9932.filesusr.com/ugd/235f1a_55e70e0fef5b4aaeb4e310932dd5e3d9.pdf?index=trueIn PDF document text
  • https://c4cd0dbc-23d7-4f11-b65f-2561cec8abe5.filesusr.com/ugd/516793_dacd489b37fe471289c09fb5f7b9191b.pdf?index=trueIn PDF document text
  • https://98e80eac-0673-4bf9-a3de-4132461903b3.filesusr.com/ugd/1acd69_2141fa200a16410caddbc0c0809e2deb.pdf?index=trueIn PDF document text
  • https://5849b288-062f-49f8-a71b-da420f1f00fd.filesusr.com/ugd/c068f8_c837b6aa092744a0853d7cbe4fa28ecf.pdf?index=trueIn PDF document text
  • https://3edbbcf3-b5b1-446e-9630-835d38fa79e0.filesusr.com/ugd/6908d7_eeed723e0fab40a2a8dafb87f8c7a4dc.pdf?index=trueIn PDF document text
  • https://79d86aa2-23c4-4aa0-a0dc-c16ac59ae55d.filesusr.com/ugd/ecb701_8997e675aa23490dae76e7f19f9c91c0.pdf?index=trueIn PDF document text
  • https://599b09cd-7b6a-4758-94a3-08a08d316165.filesusr.com/ugd/628a76_d6f2c5f93cb04e8980104032967c56d1.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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