Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea10ead865eb426a…

MALICIOUS

PDF

44.2 KB Created: 2021-06-02 22:26:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: d4c4b6d5f93b39071ee3464057196cbf SHA-1: 2274c8fdbc26ad6474ad1146a434d9c8fad1fcf8 SHA-256: ea10ead865eb426a261da03f0446ee667a82a1e69bfd5e77600d1668953ab4c4
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. It uses an MFA/2FA-themed lure and an urgency-based lure. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 6

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://netcdn.xyz/app/431946152/free-robux-generator-2-game-hack PDF link annotation
    • http://maslabaou.com/images/minecraft-hacks-xbox_GM479516143.pdfIn PDF document text
    • http://maslabaou.com/images/roblox-hack-me_GM431946152.pdfIn PDF document text
    • http://maslabaou.com/images/www-coinmaster_GM406889139.pdfIn PDF document text
    • http://maslabaou.com/images/free-robux-quiz_GM431946152.pdfIn PDF document text
    • http://maslabaou.com/images/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://maslabaou.com/images/wurst-115_GM479516143.pdfIn PDF document text
    • http://maslabaou.com/images/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
    • http://maslabaou.com/images/play-minecraft-online-free_GM479516143.pdfIn PDF document text
    • http://maslabaou.com/images/how-to-get-roebucks-on-roblox_GM431946152.pdfIn PDF document text
    • http://maslabaou.com/images/roblox-script-hack_GM431946152.pdfIn PDF document text
    • http://maslabaou.com/images/coin-master-daily-free-spins-link-facebook_GM406889139.pdfIn PDF document text
    • http://maslabaou.com/images/pubg-uc-carding-in-pakistan_GM1330123889.pdfIn PDF document text
    • http://maslabaou.com/images/coin-master-how-to-get-japan-sushi-card-free_GM406889139.pdfIn PDF document text
    • http://maslabaou.com/images/how-to-get-free-coins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://maslabaou.com/images/how-do-i-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://maslabaou.com/images/free-robux-websites-that-work_GM431946152.pdfIn PDF document text
    • http://maslabaou.com/images/minecraft-bedrock-edition-hacks_GM479516143.pdfIn PDF document text
    • http://maslabaou.com/images/minecraft-ore-finder-mod_GM479516143.pdfIn PDF document text
    • http://maslabaou.com/images/hack-coin-master-spin_GM406889139.pdfIn PDF document text
    • http://maslabaou.com/images/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005199.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5199 25032 bytes
SHA-256: bbf5882a36027d7de1cfbe4dbf77b65398e7bf4f8dcef6ae2254f54c19a72948
font_01_sfnt_off00008979.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8979 18472 bytes
SHA-256: c63b270296130dd0bfe1905d3f853506b66f779076df5d5f3d74e01f3e4a4229

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