Malicious PDF — malware analysis report

Static analysis result for SHA-256 2146e34297452333…

MALICIOUS

PDF

71.5 KB Created: 2021-03-05 19:41:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: b00215cca94361adcd3fa2aa800aeead SHA-1: 14ffb042d963c44e7adf6129cddf76c6431990bb SHA-256: 2146e3429745233315bf6b769a6a398c826625ce9f11d320213f1b059555c0ae
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

Heuristics 6

  • 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.
  • 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://soxebez.ru/wix?keyword=geometry+construction+worksheet+pdf PDF link annotation
    • https://zageporipemaza.weebly.com/uploads/1/3/4/5/134507549/nutopebarusexufabila.pdfIn PDF document text
    • https://mosaminaworite.weebly.com/uploads/1/3/1/6/131636744/bujijemo.pdfIn PDF document text
    • http://rajukilodagoje.mygamesonline.org/how_did_the_enlightenment_influence_absolutism.pdfIn PDF document text
    • http://ipoteka.net/front_load_washer_will_not_drain_waterve10g.pdfIn PDF document text
    • http://wisecredit.info/cutting_practice_sheets2xndk.pdfIn PDF document text
    • https://cdn.sqhk.co/remudejifi/Wgdigih/wings_and_rings_menu_danville_ky.pdfIn PDF document text
    • https://cdn.sqhk.co/dikulodut/cnfXgey/31850183489.pdfIn PDF document text
    • https://cdn.sqhk.co/tutabalero/uic7igU/legendary_outfit_assassins_creed_origins.pdfIn PDF document text
    • https://xoselupovogim.weebly.com/uploads/1/3/4/6/134610719/5136388.pdfIn PDF document text
    • http://bukuminuwakub.mypressonline.com/74860918805.pdfIn PDF document text
    • http://ninuxalezopo.getenjoyment.net/25496651586.pdfIn PDF document text
    • https://cdn.sqhk.co/gusorewiwal/RaeIiae/money_cheat_gta_5_ps4_online_2020.pdfIn PDF document text
    • https://cdn.sqhk.co/zatovafer/DiaLlW2/migajudofexofofolo.pdfIn PDF document text
    • https://lupoxever.weebly.com/uploads/1/3/1/4/131413766/62d5e5.pdfIn PDF document text
    • http://gutprod.xyz/araba_yar_oyunu_apk_hile_indiry6sp1.pdfIn PDF document text
    • https://cdn.sqhk.co/xepiriza/jsgguij/r-_type_tactics_2_ending.pdfIn PDF document text
    • https://fakebomazeb.weebly.com/uploads/1/3/1/4/131453402/f7ce019.pdfIn PDF document text
    • http://gibelineg.sportsontheweb.net/why_is_my_microsoft_wireless_keyboard_not_working.pdfIn PDF document text
    • https://cdn.sqhk.co/velabolo/jiidSp2/zara_sale_dates_uk.pdfIn PDF document text
    • https://cdn.sqhk.co/gusisitixinu/jgu0Z0P/video_app_download_apkpure.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/pexodugosa/civil_engineering_project_reports.pdfIn PDF document text
    • https://s3.amazonaws.com/xukanomarexumu/alphabet_songs_for_kindergarten_free.pdfIn PDF document text
    • https://s3.amazonaws.com/kotodur/binomische_formeln_arbeitsblatt.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_off0000db6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB6F 5440 bytes
SHA-256: f55f31eadf89e7fbfac37dd93f748d4766839fc7ecb02d4229d633be4f66080f
font_01_sfnt_off0000edeb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDEB 10216 bytes
SHA-256: 9db15cf314b4facb4b0dfef98bd1cb4254869b53939d3e1fdf79ca780d95405d

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