Malicious PDF — malware analysis report

Static analysis result for SHA-256 01b59fe823c0db9d…

MALICIOUS

PDF

69.5 KB Created: 2021-02-28 07:24:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: c7908985005ad19bce7ca18a6bd8c5d5 SHA-1: 17495e6c2e9ad7954b603d2a05bfce2c9958e746 SHA-256: 01b59fe823c0db9d117a8f3d5b4e632903a100c70aaa1c8e8128a4e5e5af9e59
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • 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 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://gimoguvi.ru/award?keyword=jorge+luis+borges+poemas+portugues PDF link annotation
    • http://nonowun.mywebcommunity.org/2010_chevy_camaro_rs_tire_size.pdfIn PDF document text
    • http://dosaxixapaxa.medianewsonline.com/how_to_make_kookaburra_bat_stickers_at_home.pdfIn PDF document text
    • http://ideaita.fun/xuxenixuxoneriwototatemi85a4o.pdfIn PDF document text
    • http://ramuwesitavoz.mywebcommunity.org/sedonuxo.pdfIn PDF document text
    • http://zazorin.scienceontheweb.net/smart_goal_setting_worksheet_for_high_school_students.pdfIn PDF document text
    • http://ersoil.fun/nedinuxund0wdb.pdfIn PDF document text
    • https://cdn.sqhk.co/pigexebobe/gfiizDS/vofuxe.pdfIn PDF document text
    • https://cdn.sqhk.co/wogebebaruro/epJijOc/robarijuwesadomew.pdfIn PDF document text
    • http://topekabur.iblogger.org/finofipakuxupurirusiru.pdfIn PDF document text
    • http://s7hmus.org/qiaquick_pcr__gel_cleanup_kit_protocolsgurt.pdfIn PDF document text
    • http://sijubuwejipamun.mywebcommunity.org/zibedopufopimuzep.pdfIn PDF document text
    • http://50off.pro/what_is_anime_porn_calledb9qzf.pdfIn PDF document text
    • https://cdn.sqhk.co/dijabidasu/R6ifCij/woodcutting_osrs_pet.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fizojigijuzad.epizy.com/visual_basic_2015_professional_download.pdfIn PDF document text
    • http://vaxokepa.rf.gd/dakorivamofokil.pdfIn PDF document text
    • http://bojibag.epizy.com/roof_sheet_insulation_materials.pdfIn PDF document text
    • http://wajefilufamaz.rf.gd/how_to_play_word_game.pdfIn PDF document text
    • http://doriponesarom.myartsonline.com/how_to_know_when_to_enter_a_trade_in_forex.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d490.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD490 5268 bytes
SHA-256: 1345a047d5343e42518cf0561a43aeade5338b9c2601b9fa6d7ecfcffa4389ae
font_01_sfnt_off0000e660.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE660 10196 bytes
SHA-256: 84d47e2d4215273b859f58579699620cdf4aa36fb9f9b5d154843caae4f1c697