Malicious PDF — malware analysis report

Static analysis result for SHA-256 31f0add8a1efff2b…

MALICIOUS

PDF

65.7 KB Created: 2021-05-27 16:49:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 126276b7d7f707e31df7476b058122c1 SHA-1: b7f7054d507856c2d21ef1fcca02abf2f907a02e SHA-256: 31f0add8a1efff2bae47235f78c72b466d6feda4335bebb8aae780c4b4a966aa
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains embedded URLs that likely lead to further malicious content, suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, appears to be a lure related to programming a remote control.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9736

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://all-pass.com/folder/editor/file/norosopadogaxoj.pdf
    • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160980efee761d---50066347545.pdf
    • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/5d90ea2718e0cadfe69a51c391ac9d9a/97708496038.pdf
    • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abe9d4175b0---doxozanebifepigasu.pdf
    • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e6b07571f---sukibemuzefap.pdf
    • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/00cb95b7860fbca3f6f6652a0e17673d/dizebusog.pdf
    • https://oddluzanie.net/userfiles/file/rezisakegop.pdf
    • https://amatnieks.com/pictures/image/9142082549.pdf
    • https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a411960782f---nawupazo.pdf
    • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609808163072b---fewitixozol.pdf
    • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/7ba659a5483d67ce2bb10fc2a16a17c9/noxezusitefojitejused.pdf
    • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160837d5c744b6---1695212072.pdf
    • http://airconbank.com/upload/fckeditor/file/latit.pdf
    • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/c52de94242de45e3954596dde42efefd/gukonaforida.pdf
    • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ac122b1c443---bilunorekusexon.pdf
    • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/ff9e667d22abc95bc9c7e386e89b7654/85555238912.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=how+to+program+directv+remote+rc66rx+to+samsung+tv
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d9a6.bin
5393c1eb6e933b3723381451982f1ed95bbf6f0d875e7c397f558a780f45349d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD9A6 5696 bytes

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