Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1f8100c32f39a34…

MALICIOUS

PDF

89.7 KB Created: 2021-05-18 09:14:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 67413a24f50473d55bf47b6cd79d46c2 SHA-1: 9b00d7819cd23527477748e633277ce4a6857ee4 SHA-256: c1f8100c32f39a34dabb08fbcdb90ca571ccd31696ff608a022b4871fe513d11
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://lozipotod.ru/strik?utm_term=how+to+download+slotomania+vip+on+android PDF link annotation
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/e24840e3-c217-44e5-8ba5-dfeecd8092d8/how_to_setup_logitech_k400_plus_keyboard.pdfIn PDF document text
    • https://s3.amazonaws.com/sinadi/email_verifier_full_crack.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f31840a8-a1ab-4fd0-91d3-8d75de316c29/kydex_holster_for_ruger_lcp_with_lasermax.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2b5a1517-acda-41bb-a9b0-74d17b47d32f/dynacraft_ozone_500_bike_parts.pdfIn PDF document text
    • https://s3.amazonaws.com/bisiku/is_openoffice_still_free.pdfIn PDF document text
    • https://s3.amazonaws.com/zevutebulaworel/zelda_ocarina_of_time_gamecube_iso.pdfIn PDF document text
    • https://s3.amazonaws.com/mejigavukolu/forest_fire_air_pollution_information_in_marathi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5f9591b0-a919-4939-85ef-6a281d64437b/bawigaja.pdfIn PDF document text
    • https://s3.amazonaws.com/moduxanakuri/top_korean_facial_mask_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/purawuma/fedutatovenubedivorekunew.pdfIn PDF document text
    • https://s3.amazonaws.com/zebarufuridorur/is_narnia_coming_to_netflix.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2b75f174-5b07-4384-99ad-52d56c4c519f/what_are_the_roles_and_responsibilities_of_a_program_manager.pdfIn PDF document text
    • https://s3.amazonaws.com/wulagisi/where_did_sda_church_come_from.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0cbbc162-a185-411f-9f03-f436db41078f/vowosibobizasapofadazowe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2c9a82f6-6651-43f4-b9d2-9df1db40b8d4/possessive_pronouns_worksheets_grade_4.pdfIn PDF document text
    • https://s3.amazonaws.com/vifusupegiza/lions_club_newsletter_template.pdfIn PDF document text
    • https://s3.amazonaws.com/rilexazejuzovep/sms_backup_software_for_android.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a8136d85-46c4-4b1f-8b00-bb7ac7fb1b12/65163860233.pdfIn PDF document text
    • https://s3.amazonaws.com/zazelujeju/purevaded.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/28a17693-08cd-426d-af40-e212e92e9302/ragafegi.pdfIn PDF document text
    • https://s3.amazonaws.com/loranoduzuja/how_to_get_unlimited_redeem_code_for_free_fire.pdfIn PDF document text
    • https://s3.amazonaws.com/lawakux/zidorikemegoxewuvewumuma.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/483dc5ff-6253-442a-8fbc-f34c076b525a/what_i_need_to_get_a_real_id_in_sc.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_off00011755.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11755 5216 bytes
SHA-256: 08a4e0a8f572dbc2528c280676767fc99e49b58a923bbe3775326e26b699d465
font_01_sfnt_off00012914.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12914 14232 bytes
SHA-256: af781762ce12e180619bb52466b8d40651b185b3dafca907719683e61f4e4223

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