Malicious PDF — malware analysis report

Static analysis result for SHA-256 652b9dbf1b1c33d4…

MALICIOUS

PDF

42.8 KB Created: 2021-05-17 05:53:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 69a45a29fa0c2a9ed3baa79186bae56d SHA-1: 115936cbf8f0ad475437acf4fae6392dcb40173a SHA-256: 652b9dbf1b1c33d42439f6c66c652a5a0fa0eb47ddf02651f277101fe8647b73
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://netcdn.xyz/app/431946152/robuxglobal.com-game-hack'. The document body and numerous extracted URLs suggest a lure related to game cheats or rewards, aiming to trick users into clicking the malicious link. While no scripts were explicitly extracted, the presence of embedded URLs and the ML classifier's high confidence indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/robuxglobal.com-game-hack In PDF document text
    • http://www.emotional-training.com/storage/editor/files/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/coin-master-daily-free-spins-link_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/60-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/free-robux-come_GM431946152.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/free-vpn-for-minecraft_GM479516143.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/blox-rewards_GM431946152.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/coin-master-unlimited-free-spins_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/robloxheroxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/how-to-get-free-robux-on-android_GM431946152.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/roblox-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/coin-master-free-spins-2021-hack_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/how-to-hack-coin-master-computer_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/coin-master-hack-tool-2021_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/daily-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/coin-master-mod-apk_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/coin-master-free-redeem-code_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/hack-coin-master-mod-apk_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/how-to-get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/roblox-land-free-robux_GM431946152.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_003_off000048b4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48B4 25340 bytes
SHA-256: 603187529289d25c58d6d258d3e5d8a865c3884256f5db462ac5a37d9a4b1829
font_01_sfnt_off00008386.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8386 18764 bytes
SHA-256: 59fb30c80e85498b2f7c5a4d05a5dec781d28c8684b6c7c45546c982bbf76575

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