Malicious PDF — malware analysis report

Static analysis result for SHA-256 b97f520400503c43…

MALICIOUS

PDF

44.3 KB Created: 2021-05-13 09:08:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e7244e91501d5bb8bba0477ee0f99171 SHA-1: 36fcac2d8b3ae9ff3ca0f69b2ea9191ae923e63e SHA-256: b97f520400503c4337aa1daccaf560feffddc409a440f035d2edd5ae86f97a29
100 Risk Score

Malware Insights

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

The PDF contains embedded URLs pointing to known malicious redirector infrastructure, specifically targeting users interested in game hacks. The document body, though partially corrupted, contains references to 'Coin Master Hack Apk' and includes multiple URLs that likely serve as download locations for malware or unwanted applications. The presence of a visual download button heuristic further supports the lure-based attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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/406889139/www.coin-master-hack-apk-game-hack In PDF document text
    • http://moto98.com/images/coin-master-hack-app-ios-download_GM406889139.pdfIn PDF document text
    • http://moto98.com/images/how-to-earn-robux_GM431946152.pdfIn PDF document text
    • http://moto98.com/images/coin-master-free-coins-amp_GM406889139.pdfIn PDF document text
    • http://moto98.com/images/how-to-get-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://moto98.com/images/coin-master-free-spins-link-2021-twitter_GM406889139.pdfIn PDF document text
    • http://moto98.com/images/coin-master-card-link-free_GM406889139.pdfIn PDF document text
    • http://moto98.com/images/minecraft-modded-client_GM479516143.pdfIn PDF document text
    • http://moto98.com/images/roblox-hack-download_GM431946152.pdfIn PDF document text
    • http://moto98.com/images/free-robux-gift-card-generator_GM431946152.pdfIn PDF document text
    • http://moto98.com/images/how-to-hack-minecraft-pe_GM479516143.pdfIn PDF document text
    • http://moto98.com/images/minecraft-ps4-free_GM479516143.pdfIn PDF document text
    • http://moto98.com/images/working-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://moto98.com/images/coin-master-free-spins-cheat_GM406889139.pdfIn PDF document text
    • http://moto98.com/images/regal-world-coin-master_GM406889139.pdfIn PDF document text
    • http://moto98.com/images/coin-master-hack-ios-no-human-verification_GM406889139.pdfIn PDF document text
    • http://moto98.com/images/coin-master-viking-quest-hack_GM406889139.pdfIn PDF document text
    • http://moto98.com/images/free-minecraft-resource-packs_GM479516143.pdfIn PDF document text
    • http://moto98.com/images/roblox-data-breach_GM431946152.pdfIn PDF document text
    • http://moto98.com/images/how-do-you-get-robux_GM431946152.pdfIn PDF document text
    • http://moto98.com/images/play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004940.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4940 24444 bytes
SHA-256: 745887f1112daaf1da41f6e54fee57ab948e87c3eb6af8c6ca21588e9b3f14c5
font_01_sfnt_off00008013.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8013 2944 bytes
SHA-256: fcfcd28869b8d6c7503d63ed8d48371ec5b580fea2733193e2acbb82b3d30a76
font_02_sfnt_off00008a3e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A3E 18320 bytes
SHA-256: 277d4dc9d3da7fddf0bdac8681ef5ee2884fa92320bcf9e925637b910761595c

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