Malicious PDF — malware analysis report

Static analysis result for SHA-256 19ecde93065490fa…

MALICIOUS

PDF

73.6 KB Created: 2021-03-29 00:08:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04
MD5: d7c56141eb58f7b988b257e7249d4603 SHA-1: dd6924f8c2244e374cd1826456a6a8042ec7da2a SHA-256: 19ecde93065490fade05ba64e863f98e3a5df63e592995486f626d88982f35cc
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 'https://lozipotod.ru/wix?keyword=cardinal+golf+course+scorecard', which is likely used for phishing or malware distribution. The document body, though partially corrupted, suggests a lure related to a golf scorecard, aligning with phishing tactics.

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://lozipotod.ru/wix?keyword=cardinal+golf+course+scorecard PDF link annotation
    • https://cdn.sqhk.co/zazavoxujub/cjhS0ie/mi_musica_apple.pdfIn PDF document text
    • http://cmb-societe.com/33522102016obnho.pdfIn PDF document text
    • https://cdn.sqhk.co/rirakibugo/cujoxhf/stack_fall_3d_play_online_free.pdfIn PDF document text
    • https://cdn.sqhk.co/jekuzedu/b52gdtt/women_s_basketball_world_cup_winners.pdfIn PDF document text
    • https://cdn.sqhk.co/lasesekov/hhvthfG/empires_and_allies_zynga_wiki.pdfIn PDF document text
    • https://cdn.sqhk.co/zexetiminav/7Yjheif/72924422941.pdfIn PDF document text
    • https://cdn.sqhk.co/lenufetimop/jajeAge/brick_game_apk_no_ads.pdfIn PDF document text
    • https://cdn.sqhk.co/levowexesu/cI6ecgg/color_splash_wallpaper.pdfIn PDF document text
    • http://beremoter.online/35567520471qq3fh.pdfIn PDF document text
    • https://cdn.sqhk.co/guzowozuk/jihjgiS/green_bay_packers_game_today_live_stream.pdfIn PDF document text
    • https://cdn.sqhk.co/ruvonusebex/hagihc0/bawasutekek.pdfIn PDF document text
    • https://cdn.sqhk.co/vixukose/idjf5hh/25628452867.pdfIn PDF document text
    • http://italy-small.space/faromerujedizuru1yopn.pdfIn PDF document text
    • https://cdn.sqhk.co/perolurowona/hjTgikD/13982550901.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/gonima/generac_2500_psi_pressure_washer_how_to_start.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d36a1d51-de3d-40f6-9a07-c0f21f1da3b8/why_my_samsung_tv_does_not_connect_to_wifi.pdfIn PDF document text
    • https://s3.amazonaws.com/varolexexus/11390503880.pdfIn PDF document text
    • https://s3.amazonaws.com/joterige/why_is_my_hp_photosmart_7525_not_printing_black.pdfIn PDF document text
    • https://s3.amazonaws.com/tobito/how_to_change_ringtone_on_jitterbug_phone.pdfIn PDF document text
    • https://s3.amazonaws.com/vuliwisuwig/livonegil.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/77ca293b-f0d9-440f-82df-cf1c863eca09/english_beginner_classes.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/571df9e0-340f-4f79-9ecb-a2450d4a55ea/rinimisita.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_off0000e30c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE30C 5092 bytes
SHA-256: 6b06d9444ede6d18ddefbe4b09d0186cfddfdccac36882e24ff28c356d4d4913
font_01_sfnt_off0000f46c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF46C 10776 bytes
SHA-256: d7710724c2f8ae9b258325a5cddfb361e764fb615a4bcd01222dd1c136771326

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