Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba9037b4b2d6f374…

MALICIOUS

PDF

68.9 KB Created: 2021-02-18 14:46:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: ca395fa6fd6b8073772cb59f177cbf7b SHA-1: 83fad26fdb303552f604d475a9da8a3a4a4d5129 SHA-256: ba9037b4b2d6f3741cbd818a420c835596e6532b3737ffd0524cb44e1f2220e4
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • 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 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://jacksth.ru/wix?keyword=pcp+on+air+sikar PDF link annotation
    • http://siteznakomstv69.space/138354973205wdsc.pdfIn PDF document text
    • http://jumpfs.space/vudebosegafopqkyek.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420761/normal_60013368e2954.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451021/normal_601a29e3c20b6.pdfIn PDF document text
    • http://raisinshq.pro/dupegojazulipumamee1rh8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481516/normal_5fd0593e0355c.pdfIn PDF document text
    • http://detonicinitalia.website/technical_manager_interview_questions_and_answersko4bc.pdfIn PDF document text
    • http://nakanilo.club/grade_2_games_online_free2x68d.pdfIn PDF document text
    • https://cdn.sqhk.co/zaliroded/gd05ie3/neighbours_game_online.pdfIn PDF document text
    • http://podarokinsta365.site/cabal_online_patchj6fhp.pdfIn PDF document text
    • https://cdn.sqhk.co/mufipofunup/hJPhcdB/amc_mobile_movie_showtimes_ontario_mills.pdfIn PDF document text
    • http://guvinesusavilo.iblogger.org/gallstones_spanish_patient_information.pdfIn PDF document text
    • https://cdn.sqhk.co/xitilesuxiw/hheexVR/myasus_service_center_uninstall.pdfIn PDF document text
    • https://cdn.sqhk.co/mudixeguda/jibuqjh/damajisabikefulegotifidir.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/lezopobigeza/guide_signs_are_normally_what_colors.pdfIn PDF document text
    • http://gaxufaxurawago.epizy.com/surf_report_lafitenia_magicseaweed.pdfIn PDF document text
    • https://s3.amazonaws.com/zalomi/16405320831.pdfIn PDF document text
    • https://s3.amazonaws.com/wanalovum/exercice_corrig_sur_les_amplificateurs_oprationnel.pdfIn PDF document text
    • https://s3.amazonaws.com/nilafafakem/sheet_music_ghost_riders_in_the_sky.pdfIn PDF document text
    • http://gaxijejazaxedaj.epizy.com/how_to_calculate_salary_adjusted_for_inflation.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_off0000d2a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2A7 4960 bytes
SHA-256: 11086810d70cd9688e5d45dd7d83b94d87f55d0cee65cffa8010acd0be6d3854
font_01_sfnt_off0000e39a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE39A 10312 bytes
SHA-256: d8d12603d3eb44466f03f4649867ada6273c8951dd3fc7ea5a67dbd5c6bace02

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