Malicious PDF — malware analysis report

Static analysis result for SHA-256 662d684c5b378e47…

MALICIOUS

PDF

73.4 KB Created: 2021-06-12 17:54:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 663f47edb67aaa72fe24e33b46bcc572 SHA-1: f3bb8182ace83f9e4b76e519a2a0bad872340cd6 SHA-256: 662d684c5b378e47520d214bee1469d283f2a7858500cb495193392b80989876
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan payload. The embedded URI points to a URL that likely hosts the malicious content, disguised as educational material. The document body, though heavily corrupted, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create PDFs from web content, potentially for phishing lures.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7482

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://crewmak.ru/uplcv?utm_term=letter+x+worksheets+for+kindergarten
    • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093f5576bc92---38550513256.pdf
    • https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/8265eca2820cedbbb07dab32d549ea2e/kajovomiw.pdf
    • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4aa034470a---jenajad.pdf
    • http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2740a7eb1---24978064123.pdf
    • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2391bdea21---mowonelilupesur.pdf
    • http://bukharageorgia.com/sites/default/files/file/20437535367.pdf
    • http://fitnessklub-impuls.pl/uploads/assets/file/48138890267.pdf
    • https://alshaabcoop.com/userfiles/file/vikuvabe.pdf
    • https://www.jscorporation.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/16089cd95ce6b3---38877723136.pdf
    • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4f4a48d98---lisevusabebetexazinage.pdf
    • https://pakistanchristiancongress.org/userfiles/file/fudokamovelurigako.pdf
    • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071b13e99cdc---zapemebezumijeto.pdf
    • http://angelcabrera.com/FCKfiles/file/83811625661.pdf
    • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/9ms2a92k3i1vraf7sl19kskre0/90175837321.pdf
    • http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9e5d7ccd0---18905364049.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e99e.bin
3ac2a83d9ffc32fe65af80f2d36c337d7046ad90e87782c99b74fb2d983bb959		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE99E 5092 bytes
font_01_sfnt_off0000fb01.bin
f5b8145980ab268d6609faf88173f3f01f6c0ede75deea9485784783f343eee0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFB01 10580 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.