Malicious PDF — malware analysis report

Static analysis result for SHA-256 63be47ffc80745b6…

MALICIOUS

PDF

243.8 KB Created: 2021-04-04 05:07:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 5c42895ea4fb668b6f715e469df5d5d5 SHA-1: 8f9d6896eb5afd964852ceb2854acee0a3691cd5 SHA-256: 63be47ffc80745b61bdca593b82c849402b0c8ef363afa277f5dc417f21c7606
96 Risk Score

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 0.9947

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://dugedepap.ru/strik?utm_term=a+divine+revelation+of+hell+in+spanish PDF link annotation
    • https://cdn.sqhk.co/salejejo/FRhcI1C/93672308909.pdfIn PDF document text
    • https://cdn.sqhk.co/ridijafugemi/eibieji/65944811569.pdfIn PDF document text
    • https://cdn.sqhk.co/gipekoma/LthdzvT/zajudeg.pdfIn PDF document text
    • https://cdn.sqhk.co/nesorosuxim/gegdhdQ/action_3d_naa_songs_telugu.pdfIn PDF document text
    • http://9gusevshop.website/notevas8x5k.pdfIn PDF document text
    • http://yarrebitteh.online/cheppave_chirugali_full_songs_telugus3flt.pdfIn PDF document text
    • http://mufinofol.scienceontheweb.net/entrepreneurial_development_book_for_b._com.pdfIn PDF document text
    • https://cdn.sqhk.co/kufomopinu/7jzhg5M/tech_news_podcast.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://4192d618-ecd7-4808-8485-efd4d6773ded.filesusr.com/ugd/17a5db_f213b95100e2428d989f5cfcb58d4501.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/xapota/thinkorswim_web_vs_desktop.pdfIn PDF document text
    • https://510b81f6-be4e-4e40-9acf-3f60af495837.filesusr.com/ugd/5f226b_1e258104f3ef4299882cc0bd4f224c10.pdf?index=trueIn PDF document text
    • https://52ed6390-a5c1-4502-9f93-599cf6d98ad1.filesusr.com/ugd/f7fbc8_49e0b49f20bf4ad5aff36352b306b23d.pdf?index=trueIn PDF document text
    • https://af0fe010-594a-4ec7-a26b-e2d78e33490d.filesusr.com/ugd/7d2910_2c2ae85e04874af083b621aecd46bab0.pdf?index=trueIn PDF document text
    • http://lebusepuwiri.atwebpages.com/beethoven_sonata_17_op_31_no_2.pdfIn PDF document text
    • http://tisavan.onlinewebshop.net/munewup.pdfIn PDF document text
    • https://7f1158f2-e44e-4cac-991a-806210d1dc3e.filesusr.com/ugd/e4a8e1_f4685575fa484171afec13e53c82f6a4.pdf?index=trueIn PDF document text
    • https://619c993e-e215-4b07-891b-88776ecab8c8.filesusr.com/ugd/1fce43_93dff57751824b0b87ef64790604dbae.pdf?index=trueIn PDF document text
    • https://661c91a2-68a2-4ae3-aaac-ef96b6cc7894.filesusr.com/ugd/b926a8_4e2466fb745f4a7db870276288087d81.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/begijufadi/pazikorir.pdfIn PDF document text
    • https://5d3a3edc-1384-4eb0-a354-174dd54c13aa.filesusr.com/ugd/7f5dc5_e07bddacec9a4d75ab118ff4f018e04e.pdf?index=trueIn PDF document text
    • https://44f39d5c-a655-4437-91b6-62b11e148e71.filesusr.com/ugd/eb4c03_a8a8b947ef6b4021b0994bc4c021418e.pdf?index=trueIn 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_off0003843b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3843B 5176 bytes
SHA-256: 0dbf38c7edbd5db3fe05d4da8bc9e0dd54f3a6bc0345e36b3638d6b7e4013749
font_01_sfnt_off000395db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x395DB 12248 bytes
SHA-256: fd4613f7170314827692393f1ecb566907eff9dc29b934cafccce7db538d490c

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