Malicious PDF — malware analysis report

Static analysis result for SHA-256 081d9a06c3534429…

MALICIOUS

PDF

74.7 KB Created: 2021-03-22 10:23:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-10
MD5: f853eea5115b0267d724a9e3798cfccf SHA-1: 23f9a4a4a3ba29e5c8f1fd75dee729ed974a3ee9 SHA-256: 081d9a06c3534429969d921a7d034dd7fc92c208bd8dfa6968183ca32796443e
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, which is likely used to host or redirect to malicious content. The document body, though heavily obfuscated, suggests a lure related to a game, aligning with common phishing tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://kuzutuzo.ru/wix?keyword=gangstar+vegas+mafia+game+mega+mod+apk PDF link annotation
    • http://gediputelilana.22web.org/xibaduxasakimabidevigo.pdfIn PDF document text
    • https://cdn.sqhk.co/runusamopit/fhfnKjj/syrup_and_the_ultimate_sweet.pdfIn PDF document text
    • https://cdn.sqhk.co/naxupowu/hg9oigH/miwofabupumurazipededav.pdfIn PDF document text
    • http://katowad.22web.org/molizogejojumonojewopa.pdfIn PDF document text
    • https://cdn.sqhk.co/desiruzag/Njfiehw/troom_troom_en_espanol_munecas.pdfIn PDF document text
    • https://cdn.sqhk.co/feguzuvubut/hbiggia/best_speed_boats_brands.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/pulavokaxe/jalebi_game_answers_in_telugu_language.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5dda1601-5673-4917-a69f-97bd19125272/scarlett_2i4_gen_1_vs_gen_2.pdfIn PDF document text
    • http://jibipadesubamom.epizy.com/gazuwetojuxatodup.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/acea6e45-1cbe-4934-a2c6-f95cd98debc9/onkyo_ht-r560_remote_codes.pdfIn PDF document text
    • https://s3.amazonaws.com/resisuna/lejisunajilazafikopuvil.pdfIn PDF document text
    • http://muzezal.rf.gd/cakewalk_short_film.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/941083ae-d150-4c5c-b24d-f33956d0a165/torin_black_jack_2_ton_instructions.pdfIn PDF document text
    • http://dopuviboxew.rf.gd/zukijanavejibiwe.pdfIn PDF document text
    • https://s3.amazonaws.com/senodiw/6227128796.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e5405c28-d42e-4574-ab84-f7ca2d4fe3fa/earthwise_pressure_washer_repair_parts.pdfIn PDF document text
    • http://jujijokupezuxis.epizy.com/studio_background_psd_hd_free.pdfIn PDF document text
    • https://s3.amazonaws.com/gaxuremewuger/video_from_vimeo_using_chrome.pdfIn PDF document text
    • https://s3.amazonaws.com/davolazupivowi/61101911939.pdfIn PDF document text
    • http://mevetilozavasep.epizy.com/jelawinitom.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_off0000e488.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE488 5484 bytes
SHA-256: fcad8086634fe2ba8b7ba48169351bc8c068390480b856344dda0d4971acbd2a
font_01_sfnt_off0000f733.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF733 11240 bytes
SHA-256: cfcc1fe41c576fd6c03e31c55056b62b2584c5ef98e1a21876cf84a93f993bb0

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