Malicious PDF — malware analysis report

Static analysis result for SHA-256 46055e79f8744e5d…

MALICIOUS

PDF

63.4 KB Created: 2021-02-22 23:33:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 8b7d0b91fd416b47df90a534d062b429 SHA-1: 3cb439d3f330f9575ff2c7cc985de32d483eb48e SHA-256: 46055e79f8744e5db0048e4da3e37bfda541b2e7009914aa9c1750f23e294bbb
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 0.9998

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://maypoin.ru/wix?keyword=operation+flashpoint+dragon+rising+menu+music PDF link annotation
    • https://cdn.sqhk.co/takivelalam/hfiiEZg/download_game_survival_on_raft_ocean_nomad_mod.pdfIn PDF document text
    • https://cdn.sqhk.co/razulati/N4ihjgd/aaro_viral_meetti_whatsapp_status_video_download.pdfIn PDF document text
    • https://cdn.sqhk.co/xipapotug/klqhjhi/steam_link_raspberry_pi_2.pdfIn PDF document text
    • https://cdn.sqhk.co/daposofoxig/djfjchi/74568900405.pdfIn PDF document text
    • https://cdn.sqhk.co/xaripisi/ifcichh/wiledokapifinepotakiji.pdfIn PDF document text
    • https://cdn.sqhk.co/pasededi/j7QFvgg/9008156274.pdfIn PDF document text
    • https://cdn.sqhk.co/rarirawibowo/prjjoKx/township_and_range_system_history.pdfIn PDF document text
    • https://cdn.sqhk.co/nizivatitogu/icSgdhe/the_history_of_japanese_music.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/mesixadelomomo/printable_blank_number_line_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/fupanabivote/lodilujo.pdfIn PDF document text
    • https://s3.amazonaws.com/fukezavazuj/exposure_poem_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/tiluwisulepam/adblock_block_ads_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/kefefetafij/folagewojunaramijipibamu.pdfIn PDF document text
    • http://fexenisidewa.rf.gd/flexible_pavement_design_aashto_method.pdfIn PDF document text
    • https://s3.amazonaws.com/gozifep/coalition_school_report.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_off0000b9c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB9C2 5596 bytes
SHA-256: 5a69fa1e890eab6c5ea6cdb79465f029b538e81e90e175bf987724f9f93a216f
font_01_sfnt_off0000cc9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC9C 10436 bytes
SHA-256: 40dd9352d93f92aea5f8f62247ba2133f6eba3010850ecd9f4a280ff855c14ab

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