Malicious PDF — malware analysis report

Static analysis result for SHA-256 024b60dbd429d2b9…

MALICIOUS

PDF

41.6 KB Created: 2021-03-23 05:19:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9468ed1dadbb8a828fc02d509f865cc3 SHA-1: bfd28e4cdd9d1de0fc52b1378155d877b849d580 SHA-256: 024b60dbd429d2b9ff24a7ed0cacc6874780d1772706faa3dc5dceb3d775cbda
174 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF is identified as malicious by multiple heuristics, including a PDF_IMAGE_LURE and ML_NYX_PDF_MALICIOUS, indicating it's likely a phishing or malware delivery attempt. The presence of numerous external links, particularly http://kovemiwixipogaf.66ghz.com/xagebojezukajexaxakus.pdf, suggests it's designed to redirect users to malicious sites. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create PDF lures.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8150

Heuristics 5

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 41 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://jacksth.ru/aws?utm_term=which+oral+b+brush+head+is+best+for+braces
    • http://kovemiwixipogaf.66ghz.com/xagebojezukajexaxakus.pdf
    • http://hot-money.fun/mercy_by_brett_youngdyr2o.pdf
    • https://cdn.sqhk.co/naxupowu/jhCC4gi/heart_trust_nta_programmes_offered_2020.pdf
    • https://cdn.sqhk.co/dibitarebizu/iShhjgj/new_mix_craft_2020_world_craft_free_online.pdf
    • http://olymptrade.buzz/58163238628hek1u.pdf
    • https://s3.amazonaws.com/pukiza/40513408433.pdf
    • http://favavobebin.epizy.com/audio_driver_for_windows_7_64_bit_hp_free_download.pdf
    • http://vuruwabudakase.epizy.com/latest_aerobics_music_free.pdf
    • https://1ec9b6e7-17eb-4e1e-a994-ba5ce4cbdb7c.filesusr.com/ugd/d4a9d6_ecb30f32ec8c4921be3efbe824a10ec1.pdf?index=true
    • http://tenurusimuxu.epizy.com/merge_online_free_download.pdf
    • https://e0f910ba-f4aa-4d6b-87f6-24d78cda99ab.filesusr.com/ugd/cc15ef_443d2081e5cf4b409d9b1b049fff7ccd.pdf?index=true
    • https://s3.amazonaws.com/lewuli/the_water_is_wide_folk_song.pdf
    • https://ff9dba89-6132-4485-99c2-ace8a2453124.filesusr.com/ugd/c3f59f_1e033c7e1d2149faa1e5c4199aae5bcf.pdf?index=true
    • https://411563d6-f1a1-4768-9eaa-86e4eb1f1ae3.filesusr.com/ugd/6d8349_8af71df462f3484d8bf45e75b245e1cb.pdf?index=true
    • http://domozutelopo.rf.gd/regarding_the_pain_of_others.pdf
    • https://s3.amazonaws.com/zarevizebi/excel_vba_active_sheet_cells.pdf
    • https://s3.amazonaws.com/nafoxuda/29674488950.pdf
    • https://s3.amazonaws.com/pavujiniz/telugu_dj_bass_songs_naa_songs.pdf
    • https://2a26c5f8-c4f8-4af8-830b-7e2c9961bd8e.filesusr.com/ugd/2e4362_adc901edc0a84dfb9a97bd45e5ad9632.pdf?index=true
    • https://s3.amazonaws.com/dikomavomem/fine_motor_skill_worksheets_pre_k.pdf

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