Malicious PDF — malware analysis report

Static analysis result for SHA-256 33cf01faab3586d1…

MALICIOUS

PDF

68.1 KB Created: 2021-03-20 13:04:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 66b64ed4358db98e39d9a4c9a0c5ebaf SHA-1: 79e34442ab680967af77b487c7eaa7e326bbaa76 SHA-256: 33cf01faab3586d13cbe7fce00e127eac7e1a181e6d46fc6b350a2511741736a
94 Risk Score

Malware Insights

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

The file is a PDF document that contains embedded URLs, one of which is flagged as malicious. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, appears to be a lure related to a search query, directing users to potentially malicious external resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8223

Heuristics 3

  • 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
  • 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/award?keyword=ages+and+stages+questionnaire+24+months+pdf
    • http://olx-delivery.cc/jamman_express_xt_looper_manual88rhs.pdf
    • http://topsalon.xyz/garenobogulezadurarimiz65t1m.pdf
    • http://xulikugo.iblogger.org/furuvugusago.pdf
    • https://cdn.sqhk.co/pigajifaw/eJijhgq/painting_ideas_easy_for_kids.pdf
    • https://cdn.sqhk.co/galemojubemo/gdehecZ/20360834922.pdf
    • http://beautysss.site/gedomatusidu9y72p.pdf
    • https://cdn.sqhk.co/mezadisedud/dgjmnLW/43026716256.pdf
    • http://yachts-4-sale.com/5897108797003m.pdf
    • http://netewe9.xyz/flying_bird_hunting_games_bird_shootersqmvsg.pdf
    • http://goproits.com/under_the_dome_season_1_episode_1_free_download2idk7.pdf
    • http://characduwe.space/dejad1aotj.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://zunepesojiwer.rf.gd/ecg_changes_in_myocardial_infarction.pdf
    • https://s3.amazonaws.com/mudurixo/video_storyboard_template_excel.pdf
    • http://pajuzipoxebemo.rf.gd/fofotugafonike.pdf
    • https://uploads.strikinglycdn.com/files/628cfc99-7b45-4b25-b0cf-a16a04a9b91c/63066668297.pdf
    • https://s3.amazonaws.com/guxosa/jquery_stop_form_submit_onclick.pdf
    • https://uploads.strikinglycdn.com/files/3e040098-b69d-4cfa-9687-d4169411a4f1/69428396181.pdf
    • https://uploads.strikinglycdn.com/files/9f5bc2a7-8919-471e-b14d-69eb8e0db0a7/94897383339.pdf
    • https://s3.amazonaws.com/muxegeza/philips_aquatouch_s5600_manual.pdf
    • https://uploads.strikinglycdn.com/files/cf215cca-97c4-450e-8656-937f22dca401/nemumolalofegoserosa.pdf
    • https://uploads.strikinglycdn.com/files/315f0a89-5fd9-4b80-a0fd-b1f912c84bd8/vector_word_problems_worksheet_with_answers.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f621.bin
b5250a9675f78e728079a11d94a5abdb0cd7edbd0fa7e8e663f917024f798903		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF621 5760 bytes

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