Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2e0546784ada11b…

MALICIOUS

PDF

79.8 KB Created: 2021-04-22 11:07:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-23
MD5: f37ed33df0afa7d86ce6ed682868d7bf SHA-1: 2e1de997e9679101d7880c6a6cbd473e0b57b01e SHA-256: e2e0546784ada11bfd832e1c6c57b1401b6e68a150ced10430b61da466d1bcc9
96 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The document contains an embedded URL that directs users to a suspicious domain, likely to host a phishing or malware payload. The presence of PDF-specific heuristics and the overall structure suggest an attempt to exploit users through social engineering.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://jumiwimov.ru/strik?utm_term=shadows+of+brimstone+assembly+guide PDF link annotation
    • http://ig-objectionform.com/how_to_make_beautiful_tables_in_powerpointbkpko.pdfIn PDF document text
    • http://reactivaperu-viabcpi.com/diriliramy209o.pdfIn PDF document text
    • http://creamwalls.space/50000943776nyqay.pdfIn PDF document text
    • http://letgtma.bid/33269652485u2zxs.pdfIn PDF document text
    • http://lnstagramlivesupportcenter.com/exercice_milieu_segment_ce2922jj.pdfIn PDF document text
    • http://xiletunekukine.iblogger.org/gifutevurixobemopujo.pdfIn PDF document text
    • http://nicechange.space/easy_star_wars_trivia_questions_and_answers_printablellf3g.pdfIn PDF document text
    • http://itgermany.net/bofisezabebadot79tvn.pdfIn PDF document text
    • http://avtoshkola-region26.ru/jokatuxikofiwomonang758.pdfIn PDF document text
    • http://acgmgroup.ru/guess_shahrukh_khan_movies_answersx69zw.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/ditiruz/16373228556.pdfIn PDF document text
    • http://kalilom.epizy.com/notevonefisadikuvi.pdfIn PDF document text
    • https://s3.amazonaws.com/liguwubore/xudizemopunebagirugeruwu.pdfIn PDF document text
    • https://s3.amazonaws.com/nafoxuda/angular_7_select_formcontrolname.pdfIn PDF document text
    • https://s3.amazonaws.com/pozokimepe/67132518620.pdfIn PDF document text
    • https://s3.amazonaws.com/begijufadi/sovelamegejumezavasozela.pdfIn PDF document text
    • https://s3.amazonaws.com/kisimujuk/nuleruvetugoti.pdfIn PDF document text
    • https://s3.amazonaws.com/falufusu/boulevard_of_broken_dreams_karaoke_free.pdfIn PDF document text
    • https://s3.amazonaws.com/fajeloninesitel/bluebook_book_citation_format.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_off0000f8d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF8D4 5760 bytes
SHA-256: c3190a4b90b79a736c192d4f1513ba3fb854ee1c295f0b14386e3e70852241e6
font_01_sfnt_off00010c5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10C5A 11056 bytes
SHA-256: bf2530672ddba6ca78836b9d8ba1297325946c1a6d3b89a78202d4b19585641b

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