Malicious PDF — malware analysis report

Static analysis result for SHA-256 752fdc24bd5c93c6…

MALICIOUS

PDF

34.7 KB Created: 2021-07-06 08:14:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-23
MD5: faaae9837477d5f6deec931b5340bc5e SHA-1: b59b04abf1105a4e674183cfd569b525ecb50d5e SHA-256: 752fdc24bd5c93c6c750b54a24a7d612229adb638f57f81ded379088f27c05a3
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links designed to lure users into clicking on what appears to be a game hack generator. The primary link, http://netcdn.tw/app/431946152/roblox-heroes-online-game-hack, is identified as a malicious redirector. The document's structure and embedded URLs suggest an attempt to drive users to potentially malicious websites, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9983

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 http://netcdn.tw/app/431946152/roblox-heroes-online-game-hack In PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/minecraft-thumbnail-maker-free_GM479516143.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/where-can-i-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/minecraft-hax-download-no-virus_GM479516143.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/free-robux-codes-generator-no-virus_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/free-minecraft-java-edition-account_GM479516143.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/free-spin-link-coin-master-today_GM406889139.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/robux-live-stream-hack_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/free-robux-g_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/how-to-hack-roblox-personal-servers_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/how-to-hack-roblox-on-mobile_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/how-to-get-unlimited-money-in-roblox-hack_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/roblox-miscreated-hacks_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/hacks-for-v-roblox_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/is-roblox-100-cheat-ingine-patched_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/roblox-free-modles_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/how-to-hack-into-other-peoples-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/pig-master-coin-master-free-spin_GM406889139.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
    • https://www.e-learning-min8jakarta.com/__statics/gudangsoal/files/coin-master-apk_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
font_00_sfnt_off00003188.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3188 22564 bytes
SHA-256: 4f4a8d1172c0898a8f902d8bb5f5bdc8991d940f9749937eb72f020f315d3758
font_01_sfnt_off000063db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63DB 18608 bytes
SHA-256: 5bcc181662f876a0ec27a1a0695994c56ab33d09e860c554124bd06b45b0d474

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