Malicious PDF — malware analysis report

Static analysis result for SHA-256 04b122c082ef2e2a…

MALICIOUS

PDF

73.1 KB Created: 2021-03-01 00:00:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-12
MD5: 5f84a282ab9fc7816cad8266ee19d31b SHA-1: 213e947b4f8301efbe7edfac5ccae4fdbe1b19e4 SHA-256: 04b122c082ef2e2ae5e64f4c886ed13f806d450fe4d642fbd6b7fb3b94fa6605
96 Risk Score

Malware Insights

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

The PDF document contains an embedded URL that mimics a search query, likely intended to trick the user into clicking it. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the presence of external URIs and the document's structure suggest it's designed to lead the user to a malicious site, potentially for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://ponafet.ru/strik?utm_term=how+many+bosses+in+ashes+of+ariandel PDF link annotation
    • http://golden-bridge.pro/waxapakozatokibojm8xd0.pdfIn PDF document text
    • http://pogibofabut.getenjoyment.net/manoxeluwodobepasise.pdfIn PDF document text
    • http://italy50wow.pro/irritrol_rain_dial_9_station_outdoor_controllerq0m2b.pdfIn PDF document text
    • http://wifunagidoli.mypressonline.com/feta_pasta_calories.pdfIn PDF document text
    • http://betijeduw.getenjoyment.net/9251287294.pdfIn PDF document text
    • http://nezowigivomi.scienceontheweb.net/75700049148.pdfIn PDF document text
    • http://tlgfree.xyz/cover_orange_journey_knights_level_23m40lz.pdfIn PDF document text
    • https://cdn.sqhk.co/zexukobesu/z25geji/lolusunobilutobisutefaj.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/fumiposamisur/norukupomebifewefus.pdfIn PDF document text
    • https://s3.amazonaws.com/nitajosasa/24003875245.pdfIn PDF document text
    • https://s3.amazonaws.com/mamukawaxatali/28117292018.pdfIn PDF document text
    • https://s3.amazonaws.com/nilafafakem/gramatica_a_direct_object_pronouns_answer_key.pdfIn PDF document text
    • https://s3.amazonaws.com/lebejos/rutupixasu.pdfIn PDF document text
    • https://s3.amazonaws.com/sorapobuk/career_personality_test_free.pdfIn PDF document text
    • https://s3.amazonaws.com/davawina/gesture_guide_iphone_x.pdfIn PDF document text
    • https://s3.amazonaws.com/julaxel/how_to_use_maxiscan_ms509.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_off0000e0ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0FF 5440 bytes
SHA-256: 88e565b7b9487611857e8637cb9b386a4b6b62cea12f8638c109831c337b615d
font_01_sfnt_off0000f362.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF362 10504 bytes
SHA-256: f9cc4b0d2561240374d2e0120da5b0f3374699be427e8ff26f4ebaf02ee55867

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