Malicious PDF — malware analysis report

Static analysis result for SHA-256 14adf1575fbfba56…

MALICIOUS

PDF

47.8 KB Created: 2021-06-03 05:37:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: eb3c7e49f9368f3bada1a98aa9bba48b SHA-1: 07270565f67a7b6b4d6fe241dee61a68b9aae685 SHA-256: 14adf1575fbfba561aae0df5fa787801d705ef1b1b4f7d0d27adaecef987e1fb
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for a game hack, directing users to a suspicious URL. The embedded URLs and document body content strongly suggest a social engineering attempt to trick users into visiting potentially malicious sites. While no scripts were explicitly extracted, the nature of the lure and the presence of multiple external links indicate a high likelihood of leading the user to a malicious download or phishing page.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9769

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 https://netcdn.online/app/406889139/hack-to-get-free-spins-on-coin-master-game-hack PDF link annotation
    • http://library.poltekkes-palangkaraya.ac.id/repository/coin-master-free-blogspot_GM406889139.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/coin-master-hack-1021_GM406889139.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id//repository/coin-master-hack-no-human-verification_GM406889139.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id//repository/safe-hack-for-coin-master-android_GM406889139.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/free-roblox-accounts-with-builders-club_GM431946152.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id//repository/pokemon-go-free-to-play_GM1094591345.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id//repository/minecraft-java-hacks_GM479516143.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/get-robux-com_GM431946152.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id//repository/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/free-tiktok-likes-trial_GM835599320.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id//repository/robux-free-c_GM431946152.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id//repository/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/corn-master_GM406889139.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id//repository/coin-master-hack-ios-cydia_GM406889139.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/archery-master-3d-unlimited-coins-hack_GM406889139.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/how-to-get-minecraft-for-free-on-laptop_GM479516143.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id//repository/como-hackear-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/free-robux-with-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id//repository/how-to-get-free-robux-without-surveys_GM431946152.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id//repository/free-roblox-promo-codes-for-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000051ec.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x51EC 26844 bytes
SHA-256: a7863ca308b12b749ad2f9b1b9792fac2518c7b39bc4f2e4d0eb64d8081bab14
font_01_sfnt_off00008ed6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8ED6 2868 bytes
SHA-256: 00109425b76763440a5569341faade0445b3c9f8514523a6f287fddbc9082efe
font_02_sfnt_off000098c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x98C3 18056 bytes
SHA-256: 2fbb404e8dbae95b2969f6d33f181e6a84e8673995acec3e52dde22e48280f02

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