Malicious PDF — malware analysis report

Static analysis result for SHA-256 fcbf61766412b5ff…

MALICIOUS

PDF

102.1 KB Created: 2021-01-18 04:23:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: c5534f0dd177974237fbab4d3520da86 SHA-1: baa78d4c29ac50742249e8a24ef25066ffd9e51e SHA-256: fcbf61766412b5ffed5d438e9ffa5f7b627df5878495e9ef157bb9f0bfdddb91
96 Risk Score

Malware Insights

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

The PDF file contains a lure related to 'Kotor 2 pc cheats not working' and embeds a URL pointing to 'traffset.ru'. ClamAV detection and ML classification strongly indicate malicious intent, likely phishing or malware distribution. No scripts were extracted, but the embedded URI is a primary indicator of compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://traffset.ru/123?utm_term=kotor+2+pc+cheats+not+working PDF link annotation
    • https://site-1194646.mozfiles.com/files/1194646/sql_2017_express_management_studio.pdfIn PDF document text
    • https://cdn.sqhk.co/zixemoliz/jvAfjfJ/defender_lyrics_francesca_battistelli_ft._steffany_gretzinger.pdfIn PDF document text
    • https://cdn.sqhk.co/fukafodifi/ijYidgj/this_is_home_switchfoot_meaning.pdfIn PDF document text
    • https://cdn.sqhk.co/bewewojiwo/EohjjeW/nifusimijawibisajitaxiga.pdfIn PDF document text
    • https://cdn.sqhk.co/pogezasamu/thdgdja/sin_pin_number_florida.pdfIn PDF document text
    • https://cdn.sqhk.co/jakufomego/KaigeWB/detafogipukux.pdfIn PDF document text
    • https://cdn.sqhk.co/jixavome/OlMvjdL/cadena_100_lista_2019.pdfIn PDF document text
    • https://cdn.sqhk.co/simizekovogi/InifijW/munulesaz.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://budunasetixap.epizy.com/35613671734.pdfIn PDF document text
    • https://s3.amazonaws.com/sizabo/ranegafoxivuj.pdfIn PDF document text
    • https://s3.amazonaws.com/jalasilunaz/aiou_solved_assignment_2018.pdfIn PDF document text
    • http://sirusuve.epizy.com/follow_up_email_client_template.pdfIn PDF document text
    • https://s3.amazonaws.com/sefiwegegagu/free_template_html5_css3.pdfIn PDF document text
    • https://s3.amazonaws.com/nakevoja/across_the_stars_sheet_music_trumpet.pdfIn PDF document text
    • http://fitatina.rf.gd/buy_gelatin_sheets_near_me.pdfIn PDF document text
    • https://s3.amazonaws.com/xoxaneral/man_in_polyester_suit_wiki.pdfIn PDF document text
    • https://s3.amazonaws.com/pigolo/35764686362.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_off00014e0d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14E0D 5420 bytes
SHA-256: 47807c88ecab484dcf068b5e05a2d11317187ab8603f96ecdccdcc263f24893c
font_01_sfnt_off0001608f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1608F 13004 bytes
SHA-256: 4463719d7bf0219cc840feeb7548de53648a6bca4a7dcea486d84e57db49bfef

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