Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0b1d824b10d2e25…

MALICIOUS

PDF

46.8 KB Created: 2021-05-19 04:31:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0bee5edd112c8e13c2aa29b6d786b9e3 SHA-1: 84bbd955b9894c418e38e71fc19a0f6de13f626d SHA-256: c0b1d824b10d2e25ffc1c3f4ef147b945df858f48fe65c69f5de8e4d2b8da542
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, disguised as game hacks and generators. The primary link, 'https://netcdn.xyz/app/479516143/how-do-you-hack-minecraft-game-hack', is identified as a malicious redirector. The document body, though partially garbled, contains references to 'game hack' and a URL consistent with the malicious findings. The presence of embedded links and the ML classifier's high confidence score indicate a malicious intent to redirect users to harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

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/479516143/how-do-you-hack-minecraft-game-hack In PDF document text
    • http://depilhome-fr.fr/images/coin-master-free-spin-ml_GM406889139.pdfIn PDF document text
    • http://depilhome-fr.fr/images/robux-free-c_GM431946152.pdfIn PDF document text
    • http://depilhome-fr.fr/images/free-robux-generator-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://depilhome-fr.fr/images/coin-blogspot_GM406889139.pdfIn PDF document text
    • http://depilhome-fr.fr/images/how-to-get-free-robux-on-computer_GM431946152.pdfIn PDF document text
    • http://depilhome-fr.fr/images/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://depilhome-fr.fr/images/roblox-premium-free_GM431946152.pdfIn PDF document text
    • http://depilhome-fr.fr/images/how-to-get-a-refund-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://depilhome-fr.fr/images/free-robux-glitch_GM431946152.pdfIn PDF document text
    • http://depilhome-fr.fr/images/ro-ghoul-script_GM431946152.pdfIn PDF document text
    • http://depilhome-fr.fr/images/coin-master-extra-spins_GM406889139.pdfIn PDF document text
    • http://depilhome-fr.fr/images/robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • http://depilhome-fr.fr/images/minecraft-windows-10-key-free_GM479516143.pdfIn PDF document text
    • http://depilhome-fr.fr/images/coin-master-hack-app-download-free_GM406889139.pdfIn PDF document text
    • http://depilhome-fr.fr/images/coin-master-hack-apk_GM406889139.pdfIn PDF document text
    • http://depilhome-fr.fr/images/coin-master-2021-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://depilhome-fr.fr/images/coin-master-heaven-free-spins-link_GM406889139.pdfIn PDF document text
    • http://depilhome-fr.fr/images/200-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://depilhome-fr.fr/images/codes-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://depilhome-fr.fr/images/coinmaster-twitter_GM406889139.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_off000049a4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49A4 31184 bytes
SHA-256: 204dc339b10407b4cdd116acb7e1e101f504e45b85262db0d847fb3d3d3bbc54
font_01_sfnt_off000089f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89F3 2856 bytes
SHA-256: 8c5d9bcb386d88c7f99323d8d482e46ea21dea038a5b842744dd5d39b26b2c44
font_02_sfnt_off000093c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x93C9 18512 bytes
SHA-256: 3291eec6b86d740bab8ba76643ef34913a0c4ab2a930ce2f65b8b3fd60c7ead6

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