Malicious PDF — malware analysis report

Static analysis result for SHA-256 40592b63d9abe16a…

MALICIOUS

PDF

42.4 KB Created: 2021-05-13 08:31:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6bc64dd2044ff320ceedca95389d8d47 SHA-1: 08ad58c7b74e49fe58cde6cf9d30de328bd5bd47 SHA-256: 40592b63d9abe16aa4abb78a8a9f7043a362203a7a86cdddb914b64c041fb7a4
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs that lead to known malicious redirector infrastructure, disguised as download links for popular games like Minecraft and Roblox. The ML classifier also flagged this PDF as malicious with high confidence. The presence of these lures and the malicious redirector strongly suggests an attempt to trick users into downloading malware or visiting further compromised sites.

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/479516143/minecraft-1.14-4-download-game-hack In PDF document text
    • http://magicmichl.de/images/can-i-get-free-robux_GM431946152.pdfIn PDF document text
    • http://magicmichl.de/images/coin-master-hack-spins-android_GM406889139.pdfIn PDF document text
    • http://magicmichl.de/images/free-minecraft-com_GM479516143.pdfIn PDF document text
    • http://magicmichl.de/images/roblox-promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
    • http://magicmichl.de/images/roblox-earn_GM431946152.pdfIn PDF document text
    • http://magicmichl.de/images/free-coins-coin-master-link_GM406889139.pdfIn PDF document text
    • http://magicmichl.de/images/how-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://magicmichl.de/images/how-to-free-robux_GM431946152.pdfIn PDF document text
    • http://magicmichl.de/images/hack-master-coin_GM406889139.pdfIn PDF document text
    • http://magicmichl.de/images/coin-master-online-hack-no-human-verification_GM406889139.pdfIn PDF document text
    • http://magicmichl.de/images/is-minecraft-free-on-ps4_GM479516143.pdfIn PDF document text
    • http://magicmichl.de/images/flame-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://magicmichl.de/images/free-robux-co_GM431946152.pdfIn PDF document text
    • http://magicmichl.de/images/how-to-hack-roblox-for-robux_GM431946152.pdfIn PDF document text
    • http://magicmichl.de/images/can-you-actually-get-free-robux_GM431946152.pdfIn PDF document text
    • http://magicmichl.de/images/coin-master-claim-spins_GM406889139.pdfIn PDF document text
    • http://magicmichl.de/images/coinmaster-twitter_GM406889139.pdfIn PDF document text
    • http://magicmichl.de/images/can-i-get-robux-for-free_GM431946152.pdfIn PDF document text
    • http://magicmichl.de/images/free-robux-pastebin_GM431946152.pdfIn PDF document text
    • http://magicmichl.de/images/how-do-i-get-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
font_00_sfnt_off00004b10.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4B10 24672 bytes
SHA-256: e8dd5baf945f7a0f3c822571fb3ddcc68f68351769ed754f0c9e6d907fdc90cf
font_01_sfnt_off000082a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82A9 18524 bytes
SHA-256: 6d95bb5e0251b920a9764ccc918690a910b4901eebdf6c0878bf0d7e0e2360a0

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