Malicious PDF — malware analysis report

Static analysis result for SHA-256 48d301bc446d9cfa…

MALICIOUS

PDF

35.3 KB Created: 2021-07-08 19:00:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 90f95764ca8ff99ef7bfee066b8afe96 SHA-1: 1c923dc7d9bc4b94908f151c6fd04f60ba03e8b6 SHA-256: 48d301bc446d9cfa118b2b5ab7099710a533284f05d0d77fe64cd63bff22dbae
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a high-severity heuristic firing for a 'GAME_HACK_REDIRECT_LURE', indicating it directs users to a fake generator. The embedded URL 'http://netcdn.tw/app/479516143/minecraft-creative-mode-free-game-hack' is the primary indicator of this lure. While no scripts were explicitly extracted, the nature of PDF lures often involves JavaScript to facilitate redirects or exploit vulnerabilities, hence the inclusion of T1059.007.

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/minecraft-creative-mode-free-game-hack PDF link annotation
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/coin-master-free-spin-and-coin-link-today_GM406889139.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-blogspot-today_GM406889139.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/coin-master-hack-pc-free_GM406889139.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/roblox-lumbertycoon-2-grief-hack_GM431946152.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/coin-master-hack-ios-10_GM406889139.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/minecraft-pocket-edition-free-apk_GM479516143.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/code-cheat-sur-roblox-deathrun_GM431946152.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/gamepass-hack-roblox_GM431946152.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/pastebin-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/cartoon-animation-free-roblox_GM431946152.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/how-to-get-free-premium-roblox_GM431946152.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/roblox-hack-generator_GM431946152.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/hacks-para-roblox_GM431946152.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/free-robux-quiz_GM431946152.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/free-robux-generatorexe_GM431946152.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/can-you-go-to-jail-for-downloading-hacked-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/roblox-jailbreak-hack-download_GM431946152.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/google-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/wahoo-gaming-co-free-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_off00003531.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3531 22424 bytes
SHA-256: 1fcee00e2241e9ddf43d6b520f515c1eb80ebb586132cb6debe0187752b49638
font_01_sfnt_off0000672e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x672E 18284 bytes
SHA-256: a8704dedbd7cd58198964eddd3b6cdb149a158e7fcc2c7dee362bc832501691c

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