Malicious PDF — malware analysis report

Static analysis result for SHA-256 8203fa335a217726…

MALICIOUS

PDF

73.9 KB Created: 2021-03-10 11:47:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1247c7ec5a28872cfc820e8172ada4b6 SHA-1: 73c7d4abe2387b734cca628c052c95acfc7633ad SHA-256: 8203fa335a21772670617d95d024e19ed73d216ba6d4949a7d7a875b50003c3b
96 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, with a high risk score. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing site. The document body, though heavily obfuscated, suggests a lure related to an 'Alaskan bootlegger's bible', indicating a social engineering attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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/aws?utm_term=alaskan+bootlegger%2527s+bible
    • https://cdn.sqhk.co/resilano/cjhdOhi/command_and_conquer_red_alert_4_release_date.pdf
    • http://runmasten.online/fedders_air_conditionerr0ivw.pdf
    • https://gugewixurot.weebly.com/uploads/1/3/4/3/134393699/bfd86fd498261b2.pdf
    • https://cdn.sqhk.co/lisakopew/Qiijihc/30693616069.pdf
    • https://cdn-cms.f-static.net/uploads/4402247/normal_6021ceab89b24.pdf
    • https://static.s123-cdn-static.com/uploads/4372702/normal_5ff4d583c1647.pdf
    • http://bitcoinchat.fun/kinetix_5500_stuck_in_configuringii3e5.pdf
    • http://gafubejenimefi.22web.org/azure_information_protection_scanner_setup.pdf
    • http://medgaj.com/why_is_citizen_kane_the_best_movie_of_all_timew6d6z.pdf
    • https://leresawukulet.weebly.com/uploads/1/3/1/3/131384076/sanex.pdf
    • https://dekewixamime.weebly.com/uploads/1/3/4/5/134516443/4526977.pdf
    • http://fofesivolu.iblogger.org/42998594577.pdf
    • https://cdn.sqhk.co/wabasenenem/eiaQ8ia/vojegenosak.pdf
    • http://erkutungotu.com/how_to_calibrate_bosch_glm_30uvecw.pdf
    • https://cdn-cms.f-static.net/uploads/4427526/normal_5fe698bd99cd1.pdf
    • http://sweetmeet.online/romeo_and_juliet_globe_theatre_casta52ng.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://petafifagaj.rf.gd/books_for_guided_reading_level_g.pdf
    • https://s3.amazonaws.com/purixifusipelid/tiwarimovu.pdf
    • http://faregelifega.rf.gd/kagawa.pdf
    • https://s3.amazonaws.com/pilazi/admissibility_of_post_mortem_report.pdf
    • https://s3.amazonaws.com/xeroguru/eisfeld_guide_so_pants.pdf
    • http://womopemi.epizy.com/absence_request_template.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e504.bin
6160de0ab05fe154eb07e03cd2979a6489f3de705294962d6e301881886dfd78
pdf-font-stream PDF embedded font (sfnt) at offset 0xE504 5080 bytes
font_01_sfnt_off0000f667.bin
3a4d6f86929c83bd08a40feb87ce882c30d8960e63aa642c4d784f9bedc4f43f
pdf-font-stream PDF embedded font (sfnt) at offset 0xF667 10700 bytes