Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd1bc585b3f5ab6f…

MALICIOUS

PDF

79.5 KB Created: 2021-03-16 07:11:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-07
MD5: 88ed0ffde55cef26f5b67deac008f074 SHA-1: 50d3d2725816446ecbd19d4d3e125399110990a1 SHA-256: cd1bc585b3f5ab6f54e83c127e03ceaf09b67229047200e5df0ff877b5d5c029
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that redirects to a malicious domain, likely to deliver a phishing lure or download a second-stage payload. ClamAV detection and ML classification strongly indicate malicious intent. The document body, though heavily obfuscated, contains text fragments suggesting a search result lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://mezovuduw.ru/wix?keyword=final+fantasy+x+lulu+overdrive+keyboard PDF link annotation
    • http://forajadafogaxuv.medianewsonline.com/what_does_the_car_symbol_on_my_dash_mean.pdfIn PDF document text
    • http://banademebilite.sportsontheweb.net/dufegotokew.pdfIn PDF document text
    • https://cdn.sqhk.co/kopilixa/AjgoFhg/14407531148.pdfIn PDF document text
    • https://cdn.sqhk.co/vixonelajinu/VhiIiif/translate_anglais_francais_apk.pdfIn PDF document text
    • http://vomimaforotagi.mywebcommunity.org/operating_system_not_found_acer_v5.pdfIn PDF document text
    • http://suzofovolavuk.scienceontheweb.net/what_are_the_different_types_of_framing.pdfIn PDF document text
    • https://cdn.sqhk.co/kegufamop/eohhhaE/kefisawonoxigevomom.pdfIn PDF document text
    • https://cdn.sqhk.co/wixexozesila/hjifLjc/super_mechs_full_gameplay.pdfIn PDF document text
    • https://cdn.sqhk.co/pigevikuwi/bJjejf7/jozigaduvipavokevenuxas.pdfIn PDF document text
    • http://kubosikavudux.mygamesonline.org/vigije.pdfIn PDF document text
    • http://tapavinologo.mygamesonline.org/obras_de_almeida_garret.pdfIn PDF document text
    • https://cdn.sqhk.co/mazasofuw/ggNYE0J/42643125697.pdfIn PDF document text
    • https://cdn.sqhk.co/mogudekusab/Ojghfgc/clash_of_queens_light_or_darkness.pdfIn PDF document text
    • http://pogekoxuw.mygamesonline.org/mathematical_physics_by_hk_dass_in.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://tikimiwuwal.myartsonline.com/goblin_mount_vendor_bfa.pdfIn PDF document text
    • https://s3.amazonaws.com/zinudipir/49857494719.pdfIn PDF document text
    • https://s3.amazonaws.com/fomaralunex/13650268539.pdfIn PDF document text
    • https://s3.amazonaws.com/pujirageg/ardaas_movie_songs_djjohal.pdfIn PDF document text
    • https://s3.amazonaws.com/nedijowewoded/cara_bookmark_adobe_reader_dc.pdfIn PDF document text
    • https://s3.amazonaws.com/xidazeze/jixuvutaxifemor.pdfIn PDF document text
    • https://s3.amazonaws.com/tufitijinexu/cheating_on_you_song_muzmo.pdfIn PDF document text
    • https://s3.amazonaws.com/bopuxosavubare/42971531802.pdfIn PDF document text
    • https://s3.amazonaws.com/bededuxotulapil/xupifulisegokigopapok.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ea53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA53 3704 bytes
SHA-256: becfeb27082b361ab4035aa89a4f255bbf9777a7b7edf2c50a46c824991c1f3d
font_01_sfnt_off0000f788.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF788 5288 bytes
SHA-256: 8611ff2ab01bdc04110e941b377023810e605e52bee89886149af449356dbaa5
font_02_sfnt_off000109a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x109A8 11292 bytes
SHA-256: 5f186a15d364dc949704ba61fb800ecaaf6a2030ae70ad388655939e9af7b9b3

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