Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ce088878cfe7c22…

MALICIOUS

PDF

34.4 KB Created: 2021-07-07 11:18:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 1f7dee045a6bde22779167a28f8c0068 SHA-1: 6aa99821c62c1f1519b541a3df3477bf9aef2c55 SHA-256: 1ce088878cfe7c22d6d8d57197a39e14edb383db3a4a5b9bce5e22cd243924ea
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains numerous links to external websites, many of which are related to game hacks and free in-game currency. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URLs and a call-to-action button suggests a phishing or scam attempt. The document's content and structure indicate it's designed to trick users into visiting malicious sites, likely for credential harvesting or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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 http://netcdn.tw/app/406889139/coin-master-free-spin-and-coins-links-2021-game-hack PDF link annotation
    • http://battistibrothers.com/system/userfiles/files/free-stuff-in-roblox-catalog-2021_GM431946152.pdfIn PDF document text
    • http://battistibrothers.com/system/userfiles/files/free-minecraft-survival-server_GM479516143.pdfIn PDF document text
    • http://battistibrothers.com/system/userfiles/files/how-to-download-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
    • http://battistibrothers.com/system/userfiles/files/como-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://battistibrothers.com/system/userfiles/files/roblox-shirts-templates-free_GM431946152.pdfIn PDF document text
    • http://battistibrothers.com/system/userfiles/files/how-to-get-minecraft-bedrock-for-free-with-java_GM479516143.pdfIn PDF document text
    • http://battistibrothers.com/system/userfiles/files/free-card-number-roblox_GM431946152.pdfIn PDF document text
    • http://battistibrothers.com/system/userfiles/files/free-roblox-accounts-with-robux-2021-november_GM431946152.pdfIn PDF document text
    • http://battistibrothers.com/system/userfiles/files/hack-coin-master-iphone_GM406889139.pdfIn PDF document text
    • http://battistibrothers.com/system/userfiles/files/robux-hacks-2021_GM431946152.pdfIn PDF document text
    • http://battistibrothers.com/system/userfiles/files/robux-free-com_GM431946152.pdfIn PDF document text
    • http://battistibrothers.com/system/userfiles/files/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://battistibrothers.com/system/userfiles/files/free-spins-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://battistibrothers.com/system/userfiles/files/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
    • http://battistibrothers.com/system/userfiles/files/how-to-get-real-robux_GM431946152.pdfIn PDF document text
    • http://battistibrothers.com/system/userfiles/files/coinmaster-rewards_GM406889139.pdfIn PDF document text
    • http://battistibrothers.com/system/userfiles/files/get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://battistibrothers.com/system/userfiles/files/roblox-hack-heroes-online-spin_GM431946152.pdfIn PDF document text
    • http://battistibrothers.com/system/userfiles/files/levvvel-coin-master_GM406889139.pdfIn PDF document text
    • http://battistibrothers.com/system/userfiles/files/minecraft-hacked-client-bedrock_GM479516143.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
font_00_sfnt_off00002eec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EEC 22664 bytes
SHA-256: e2b9470babe9b14032541a8cf2bf6de6e3e0b9b795f1508cf920b2af76a3109d
font_01_sfnt_off000061c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61C7 18920 bytes
SHA-256: 6400190eeb2151d5e1f5614a198f46375c96aba5f11acfeaff13e592fb093653

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