Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc4fea2325bdeacf…

MALICIOUS

PDF

67.8 KB Created: 2021-06-04 06:41:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: daf2b2ab28d706db0936a17a5a83c4e0 SHA-1: 9290a9ad9692ce2689d01abe627d3af675020e63 SHA-256: bc4fea2325bdeacf4e9a3ba220176c2c53e3272b8457784c916919453bbb61da
94 Risk Score

Malware Insights

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

The file is a PDF containing an embedded URI that points to a URL associated with movie downloads, likely as a lure. ClamAV and ML classifiers flagged this PDF as malicious, indicating a phishing or trojan-like behavior. No scripts were extracted, but the presence of the malicious URL suggests an attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9752

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://cructi.ru/pbw?utm_term=b+tech+malayalam+full+movie+download+telegram
    • https://cdn-cms.f-static.net/uploads/4447915/normal_603b36566bc50.pdf
    • https://static.s123-cdn-static.com/uploads/4394082/normal_5ffb9023869fd.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://kiletejude.pbworks.com/w/file/fetch/144412422/how_to_fake_a_doctors_note_for_school.pdf
    • https://uploads.strikinglycdn.com/files/ce58e9fb-ddb8-486e-af68-4de79e92c13f/star_trek_enterprise_season_3_episode_24.pdf
    • http://pokatufaxi.pbworks.com/f/guwevoweripivodoketozebu.pdf
    • https://uploads.strikinglycdn.com/files/6360362d-20a7-49d2-bcdb-890a3468938c/tidiji.pdf
    • https://uploads.strikinglycdn.com/files/b9f87fc8-d0d0-4ca1-a856-e44814d875b3/zowakita.pdf
    • http://fagimox.pbworks.com/w/file/fetch/144513444/how_to_install_a_ring_pro_without_a_doorbell.pdf
    • http://niwomif.pbworks.com/w/file/fetch/144420999/naming_alkanes_alkenes_alkynes_worksheet_with_answers.pdf
    • https://uploads.strikinglycdn.com/files/4c275eb8-cb5f-4b04-bec0-70cb0ca105c8/coleman_powermate_air_compressor_60_gallon.pdf
    • http://kimotamiju.pbworks.com/f/solving_linear_equations_graphically_worksheet.pdf
    • http://rujuboxu.pbworks.com/f/91808379875.pdf
    • https://uploads.strikinglycdn.com/files/0de2ef46-0bc0-4d5b-865c-2dfa83d2b323/82419978531.pdf
    • https://uploads.strikinglycdn.com/files/3c0c017f-8bbd-4672-80f3-fe388c70914f/good_animation_software_for_beginners_reddit.pdf
    • http://kukepofarit.pbworks.com/w/file/fetch/144590547/how_to_cast_photos_from_mac_to_chromecast.pdf
    • https://uploads.strikinglycdn.com/files/d7c8215f-8e53-4d4e-a8f0-f06c9b56d7fe/how_to_find_screen_time_passcode_ios_12.pdf
    • https://uploads.strikinglycdn.com/files/606e7042-c4eb-4945-bee7-a8a772388268/jenn_air_microwave_repair_manual.pdf
    • https://uploads.strikinglycdn.com/files/293cbcdc-66bb-4887-b3fc-60df5744e7b7/52605034200.pdf
    • https://uploads.strikinglycdn.com/files/09faba56-48aa-4fd2-b2b4-b79768c1dbce/the_revolution_will_not_be_funded_book.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e825.bin
78f31086fa19f2ea5318fb9e41f01f845ed557625d893d805cb600fddefd5ffe		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE825 5440 bytes

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