Malicious PDF — malware analysis report

Static analysis result for SHA-256 b69089d23d382edd…

MALICIOUS

PDF

41.1 KB Created: 2021-05-20 07:02:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: b0b622a7b2acd3e5189e38411238ac59 SHA-1: 7632ba85a3822611ddda1dceced6141ea0fceccc SHA-256: b69089d23d382edd5a9579f5fdcb75089b4528fcb7fcedf654fcf7a5f099ac68
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to malicious infrastructure, specifically promoting 'game hacks' and 'free generators'. The primary lure appears to be a 'Coin Master Root Hack' which leads to the URL https://netcdn.xyz/app/406889139/coin-master-root-hack-game-hack. This suggests a phishing or scamming attempt, likely delivered as a spearphishing attachment, aiming to trick users into visiting potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • 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/coin-master-root-hack-game-hack In PDF document text
    • http://bogatyr.com/images/minecraft-menu_GM479516143.pdfIn PDF document text
    • http://bogatyr.com/images/earn-rbx_GM431946152.pdfIn PDF document text
    • http://bogatyr.com/images/apps-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://bogatyr.com/images/free-robux-codes-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://bogatyr.com/images/free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://bogatyr.com/images/coin-master-free-spins-2021-hack_GM406889139.pdfIn PDF document text
    • http://bogatyr.com/images/hacks-for-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • http://bogatyr.com/images/can-i-get-robux-for-free_GM431946152.pdfIn PDF document text
    • http://bogatyr.com/images/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://bogatyr.com/images/roblox-help-free-robux_GM431946152.pdfIn PDF document text
    • http://bogatyr.com/images/coin-master-hack-ios-without-verification_GM406889139.pdfIn PDF document text
    • http://bogatyr.com/images/free-robux-mobile_GM431946152.pdfIn PDF document text
    • http://bogatyr.com/images/free-spins-coins-coin-master_GM406889139.pdfIn PDF document text
    • http://bogatyr.com/images/roblox-promo-codes-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://bogatyr.com/images/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • http://bogatyr.com/images/pubg-uc-and-rp_GM1330123889.pdfIn PDF document text
    • http://bogatyr.com/images/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://bogatyr.com/images/can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • http://bogatyr.com/images/coin-master-mod-apk-free-download-for-android_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_003_off0000469d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x469D 25188 bytes
SHA-256: 8701e397ae2659cb5eab180f6c4d4d9cbe8eb54d820ed744eeb5a86e10336150
font_01_sfnt_off00007fcb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FCB 17716 bytes
SHA-256: 3314f7b38d470594eaa73d4973565fc6f74845bbaa83b1a4a8a9c9b025514e4b

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