Malicious PDF — malware analysis report

Static analysis result for SHA-256 aba4799422ca999a…

MALICIOUS

PDF

59.7 KB Created: 2021-05-29 22:17:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2ab9abfe0d654774df2fa6490f879c44 SHA-1: ee7019dd292f1870ba207c814627e5212d5f5381 SHA-256: aba4799422ca999a90d3f3e66f82da9cfa9502133cc6fc3f9206021190fe8cb0
94 Risk Score

Malware Insights

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

The PDF document uses a lure related to changing a watch battery to trick the user into interacting with embedded links. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the PDF structure and embedded URIs suggest it is designed to lead the user to download further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8123

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 http://bagliodeimille.it/userfiles/files/vuvop.pdf
    • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606e7c3a8ab33---foxazimijoped.pdf
    • https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/ck7bjnot13tv7um8pt7rnc5k83/51557917399.pdf
    • https://brianhigbielaw.com/UserFiles/file/60438060238.pdf
    • http://sotel-perm.ru/site/file/niwolok.pdf
    • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16091f26c932b1---90468583694.pdf
    • http://bakoca.hu/files/file/4133036768.pdf
    • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acd81c27dae---vuzovufiwiz.pdf
    • http://arniestribu.com/campannas/file/53231457173.pdf
    • https://liniagdanskzydowo.pl/files/vaxuwupugibamopovajitonaj.pdf
    • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/0d833f1e0ad60f52644a5bc6b0dfdf5c/tefew.pdf
    • https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/d75c0b2000684302c16dcb26708ef625/devuxezuno.pdf
    • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/908a3cfa4c9d4237dcbba74b6b601077/fugusonidizovi.pdf
    • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/ccc2654cc2109ae544ee484c3b87b935/53694655741.pdf
    • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/f9dd4900228ae73eb9812fbde276dfe7/14225585396.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+change+battery+in+timex+expedition+indiglo
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d642.bin
905a3b3bfd2b229ed58e7f372b39dc37a5ac57f506b0397c01c6ae1681d490eb		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD642 5672 bytes

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