Malicious PDF — malware analysis report

Static analysis result for SHA-256 045518c6a452723e…

MALICIOUS

PDF

36.8 KB Created: 2021-05-25 07:01:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 3e10d4cb6ebf3daa1bbaf6ce46eed16b SHA-1: b89cc5ab17b63b1ceff73df229cdbb8dc3c9fa50 SHA-256: 045518c6a452723ec590fbd47b9b8353f4809fa723ec113ec84c29027ff44c0a
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF document contains social engineering lures, including a 'CLICK HERE TO ACCESS MINECRAFT GENERATOR' call to action and instructions to press Win+R or paste a command, consistent with ClickFix attacks. It also embeds multiple URLs, one of which, 'https://netcdn.xyz/app/479516143/can-you-play-minecraft-for-free-game-hack', is likely the primary download source for a malicious payload. The ML classifier also flagged the PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

Heuristics 5

  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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 https://netcdn.xyz/app/479516143/can-you-play-minecraft-for-free-game-hack
    • http://pustaka1.unindra.id/repository/hack-coin-master-no-survey_GM406889139.pdf
    • http://pustaka1.unindra.id/repository/how-to-hack-roblox-accounts-on-phone_GM431946152.pdf
    • http://pustaka1.unindra.id/repository/robux-hack-tools_GM431946152.pdf
    • http://pustaka1.unindra.id/repository/free-spins-and-coins-from-coin-master-game_GM406889139.pdf
    • http://pustaka1.unindra.id/repository/hack-roblox-players_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003587.bin
a4a4b38958d95e0df029a26afe5a28150eca5f734c17a7735a922b1ec7b9c1af		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3587 24684 bytes
font_01_sfnt_off00006e4a.bin
81bede04d90c080fa29d20db124f1531358f39ee91ce610139dedd08dc3401fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E4A 18420 bytes

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