Malicious PDF — malware analysis report

Static analysis result for SHA-256 552e977bb2c86883…

MALICIOUS

PDF

33.9 KB Created: 2021-07-06 19:07:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: c57a70ba64e6c7dd3f0607afb017add5 SHA-1: 04aee4b8a2dc90d85fc57d0c00fce2cc7380fc4b SHA-256: 552e977bb2c86883db93fce692b66b147f4b62f4c413203c580872b0e12c62c7
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a lure for game hacks and free generators, directing users to a suspicious URL. The heuristic firings indicate this is a malicious PDF designed to redirect users to potentially harmful content. The document body reinforces this by containing the malicious URL and related keywords.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/479516143/how-to-get-minecraft-for-free-on-mac-game-hack PDF link annotation
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/free-robux-no-human-verification-generator_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/roblox-gang-rape_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/art-money-roblox-hack_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/free-robux-hack-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/roblox-bilder-club-free_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/coin-master-mod_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/gamecodeseu-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/robux-money_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/coin-master-spin-hack-no-verification_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-link-haktuts_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/robux-free-co_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/claim-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/free-roblox-passwords_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/free-robux-with-no-human-verification_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/coin-master-hack-2021-ios_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/free-spins-coin-master-november-2021_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/roblox-com-hack_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kukar.sch.id/__statics/gudangsoal/files/how-to-hack-someone-in-roblox-using-captra_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_off000030e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30E3 22312 bytes
SHA-256: eebb1762074c54f9e6c9c3bd60b8d76748899e75775b5bfb8cb7466ce2adf03e
font_01_sfnt_off00006208.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6208 18164 bytes
SHA-256: c92c54375cfc09bba30268a56a1496ac876777d0f1d8f409b9898aa174c18f72

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