Malicious PDF — malware analysis report

Static analysis result for SHA-256 6fd73a291da5297d…

MALICIOUS

PDF

78.7 KB Created: 2021-03-31 23:25:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-21
MD5: e7e3e9771ba1cd9e8a49cc4f594e7876 SHA-1: 0dfccb9ef1cc13e2bb72350ff45200022791b0cf SHA-256: 6fd73a291da5297d3a16d9c4f940f6e34bb6682b0ec72d97713db41c717eb422
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a malicious site. The document body, though heavily obfuscated, contains text related to Xbox controllers, suggesting a lure to disguise the malicious intent. No scripts were extracted, but the presence of external URIs and the overall detection profile strongly suggest a phishing attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://fokemale.ru/strik?utm_term=is+there+a+headphone+jack+on+xbox+one+controller PDF link annotation
    • https://cdn.sqhk.co/zikufivol/JjjhgEW/evolution_movie_streaming.pdfIn PDF document text
    • http://tryraisins.club/what_is_a_quantum_shift2c99w.pdfIn PDF document text
    • http://bupro.asia/ms_word_table_practical_exercisesfjvrq.pdfIn PDF document text
    • http://instasale.company/cf_auto_root_samsungm0g0j.pdfIn PDF document text
    • http://thepropheticapp.com/diastolic_dysfunction_european_guidelines9uoyk.pdfIn PDF document text
    • http://smallita.space/flicker_free_serial_macum24t.pdfIn PDF document text
    • http://juvugewit.iblogger.org/wogekaregejutupu.pdfIn PDF document text
    • https://cdn.sqhk.co/fuvebopeweb/b9pgcge/space_agency_planet_map.pdfIn PDF document text
    • http://supportcopyright.net/sufotikawiliwizewozifs42u4.pdfIn PDF document text
    • http://vashobereg.com/corrupcion_en_la_administracion_publica_peruevhnb.pdfIn PDF document text
    • http://moneymaya.site/chicken_curry_hd_images_freee8j4k.pdfIn PDF document text
    • https://cdn.sqhk.co/wevosevob/ghgeHhg/abcya_40_times_escape_answers.pdfIn PDF document text
    • http://orbitan.fun/draw_tite_activator_iii_troubleshootingb2xhu.pdfIn PDF document text
    • http://sulalaketukabox.22web.org/learn_storyboarding.pdfIn PDF document text
    • http://all-casino.xyz/caida_del_imperio_romano_resumenv79oi.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/widiku/hypovolemic_shock_guidelines_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/tobovunoberiki/xelozagupanugadopoket.pdfIn PDF document text
    • http://fivomasabod.rf.gd/garmin_approach_g6_golf_gps_update.pdfIn PDF document text
    • https://s3.amazonaws.com/vavebufevodutob/simotutokofegukebisag.pdfIn PDF document text
    • http://juruzozesema.epizy.com/jutepewalovijabo.pdfIn PDF document text
    • https://s3.amazonaws.com/dowavelaxam/29905039916.pdfIn PDF document text
    • https://s3.amazonaws.com/jidosatikim/free_hundreds_chart_worksheet.pdfIn PDF document text
    • http://xekubizifakum.epizy.com/how_many_questions_is_the_bar_exam.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_off0000f661.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF661 5448 bytes
SHA-256: b63b575a09e7f5b5ad62a84c6cffe5002f63815b5f81ef2959535231b999edba
font_01_sfnt_off000108dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x108DC 10516 bytes
SHA-256: d99fd3cafd68adc761a19787d26e27fc1d4c65da77ae35a8d4daf8bcf33797ec

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