Malicious PDF — malware analysis report

Static analysis result for SHA-256 570b5d2ea27e462e…

MALICIOUS

PDF

41.7 KB Created: 2021-05-17 09:03:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: de942820ff778ec28aa4e1a9e9496d40 SHA-1: 2a2058d83d35eeaa086c8cb475c0a21e59753976 SHA-256: 570b5d2ea27e462ec8ede0d375625f6f01d4a7f29f48664dcb34611aeccb541b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, specifically promoting 'free generators' or 'game hacks' for popular games. The primary lure URL is https://netcdn.xyz/app/479516143/minecraft-pe-game-hack, which is designed to trick users into downloading potentially unwanted or malicious software. The presence of a visual download button further supports the deceptive nature of the document.

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/479516143/minecraft-pe-game-hack In PDF document text
    • https://www.tena-g.hr/files/get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://tena-g.hr/files/get-free-robux-com_GM431946152.pdfIn PDF document text
    • https://www.tena-g.hr/files/minecraft-114-download_GM479516143.pdfIn PDF document text
    • https://tena-g.hr/files/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://tena-g.hr/files/earnrobux_GM431946152.pdfIn PDF document text
    • https://www.tena-g.hr/files/instagram-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • https://www.tena-g.hr/files/coin-master-daily-spins_GM406889139.pdfIn PDF document text
    • https://www.tena-g.hr/files/wurst-minecraft_GM479516143.pdfIn PDF document text
    • https://tena-g.hr/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://www.tena-g.hr/files/freespins-coin-master_GM406889139.pdfIn PDF document text
    • https://tena-g.hr/files/blogspot-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://www.tena-g.hr/files/how-do-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://tena-g.hr/files/coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
    • https://www.tena-g.hr/files/free-robux-generator-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://tena-g.hr/files/coin-master-hack_GM406889139.pdfIn PDF document text
    • https://tena-g.hr/files/how-to-get-free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • https://tena-g.hr/files/are-minecraft-realms-free_GM479516143.pdfIn PDF document text
    • https://www.tena-g.hr/files/show-me-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://tena-g.hr/files/how-to-get-100-robux-for-free_GM431946152.pdfIn PDF document text
    • https://tena-g.hr/files/coin-master-cheats-without-verification_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_off00004a32.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A32 25060 bytes
SHA-256: e53322d99c9d07c4f036383fe1c8fa05264fbff021e65efbc8c4de82ce4c4f63
font_01_sfnt_off000082ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82AB 17724 bytes
SHA-256: f2c518e24e430f5639c0522049ec6170810629e79e139cf24a514a2af733470f

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