Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e6b3cd28eb87e09…

MALICIOUS

PDF

45.9 KB Created: 2021-06-07 14:01:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 1fb3a0d56191f61e38b1020b591e786a SHA-1: 460d3a50fcb3edb4ce0181516bcc8dfef1c8289b SHA-256: 7e6b3cd28eb87e096a23a6a94e969e805271bcd8f068b5ea710c484485539479
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to known malicious redirectors, specifically targeting users interested in game hacks and free in-game currency. The primary lure URL is https://netcdn.tw/app/431946152/how-can-get-a-roblox-hack-gui-to-work-game-hack, which is part of a chain designed to lead users to potentially harmful content. The document body, though partially corrupted, contains similar lure text and URLs, reinforcing the phishing and redirection attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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.tw/app/431946152/how-can-get-a-roblox-hack-gui-to-work-game-hack In PDF document text
    • https://www.manmed.info:443/images/coin-master-hack-spin_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-roblox-glasses_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/spin-hack-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/blogspot-coin-master-spins_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-robux-no-generator_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/how-to-earn-free-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-robux-no-human-verify_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-free-spins-link-without-human-verification_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-robux-no-gift-card_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-free-spin_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/roblox-ben-10-universal-showdown-cheats_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-mod-apk-latest-version-free-download_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-spin-coin-master-game_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-minecraft-server-hosting-24-7_GM479516143.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-coin-master-coins-and-spins_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/roblox-password-hacker_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/robux-win_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-10-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-free-spins-hack-without-human-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_004_off000050f9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50F9 26808 bytes
SHA-256: 84b5ece18863bde736a7390c6b7b3cd0687a5243b817233bafb30b3356941165
font_01_sfnt_off00008ed0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8ED0 18908 bytes
SHA-256: b93905521677d9b20e032b5a6e57aa353436c2db2caf03463041b09817268d93

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