Malicious PDF — malware analysis report

Static analysis result for SHA-256 7394b4b399981b95…

MALICIOUS

PDF

87.3 KB Created: 2021-03-31 11:19:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-23
MD5: 03bdf97d1ec25dfa3eeae4abb567fb4a SHA-1: 203e5a06731db1505542406786b02027153b05d1 SHA-256: 7394b4b399981b95992570d5e41fcbbabc92d0874753a24d33aaf301582592b6
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a suspicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, appears to be a lure related to a Netflix show to entice clicks on the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://mezovuduw.ru/strik?utm_term=what+is+the+haunting+of+bly+manor+about+on+netflix PDF link annotation
    • https://cdn.sqhk.co/zowonefaso/hbOiiBW/33019840638.pdfIn PDF document text
    • http://xafesuvorolivig.scienceontheweb.net/46965753368.pdfIn PDF document text
    • http://ruwosiju.getenjoyment.net/jonozugexubemo.pdfIn PDF document text
    • https://cdn.sqhk.co/xuvisisitinu/gicfphd/49285803113.pdfIn PDF document text
    • http://boomerangoo.site/fimilujaboresuxikapuj8ugop.pdfIn PDF document text
    • http://wofomeko.22web.org/38383576179.pdfIn PDF document text
    • http://invitesistem.ru/gunn_diode_filenk5cs.pdfIn PDF document text
    • http://eagleaff.com/pearson_algebra_2_workbook_answers2jhny.pdfIn PDF document text
    • https://cdn.sqhk.co/zibomevuguli/LocHkja/grand_theft_auto_6_possible_locations.pdfIn PDF document text
    • https://cdn.sqhk.co/wivinapamir/ihPjjgj/internet_manager_full_crack_latest_version.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://xaxibalese.epizy.com/command_prompt_format_computer.pdfIn PDF document text
    • https://s3.amazonaws.com/borokegujuzero/viper_550_esp_car_alarm_remote_start_system.pdfIn PDF document text
    • https://s3.amazonaws.com/nawuvud/druid_spells_5e.pdfIn PDF document text
    • https://s3.amazonaws.com/papuja/jhankar_beats_movie_songs.pdfIn PDF document text
    • https://s3.amazonaws.com/jazuravazaguz/ford_focus_1.6_lx_2004_specs.pdfIn PDF document text
    • https://s3.amazonaws.com/mizeteb/acca_audit_and_assurance_examiners_report.pdfIn PDF document text
    • https://s3.amazonaws.com/tobito/vibomogotedasazasosori.pdfIn PDF document text
    • http://bokepomi.onlinewebshop.net/6794667497.pdfIn PDF document text
    • https://s3.amazonaws.com/gifojuxaxeva/amputee_rehabilitation_recommended_standards_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/tesodagiwor/14964990481.pdfIn PDF document text
    • https://s3.amazonaws.com/ninasivol/tone_it_up_pre_workout_target.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_off000116e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x116E1 5504 bytes
SHA-256: 13ff3fad50df431da5e5356d6223b88b11552df907983009377c65099e1c1b4f
font_01_sfnt_off0001298e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1298E 11308 bytes
SHA-256: f928bd3141997ef504b1f3a89923672ce57b21f15b4885d41b9724d38446bab1

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