Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ce97bdbe86a721b…

MALICIOUS

PDF

34.2 KB Created: 2021-07-05 21:05:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 6f6531cb508259c4586b51412692096b SHA-1: 160c20eadef737b864e5a063f0af5f05d8592f0d SHA-256: 1ce97bdbe86a721b0fc170207e2bbfc46f783a42963c032f368163a66409ac61
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to external websites, with a primary URL pointing to a 'game hack' lure. The ML classifier strongly indicates maliciousness. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to potentially malicious sites for phishing or malware downloads.

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/406889139/2021-coin-master-hack-game-hack PDF link annotation
    • http://stitqi.ac.id/website/repository/how-to-get-the-right-roblox-account-pin-hack_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/free-admin-roblox_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/free-fans-on-tiktok_GM835599320.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/how-can-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/blogger-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/best-free-roblox-injectors_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/how-to-get-free-robux-easy-2021_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/roblox-free-exploits_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/roblox-arsenal-hack_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/roblox-place-rewards_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/how-to-cheat-in-horror-tyccon-roblox_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/i-need-more-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/gaming-dunia-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/roblox-speed-hack_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/free-robux-with-no-survey_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/www-robux-redeem_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/robux-hack-free-robux_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/instantrobux_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/coin-master-free-spins_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_off00002eeb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EEB 22944 bytes
SHA-256: 97b15e6c50fce95f1fa50fdfc30199e32c5e71a2331a13a450c829b27aaa0a5b
font_01_sfnt_off0000625b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x625B 18408 bytes
SHA-256: 757a300da21b326d8daac5a2642b0229b94aaf5c61a40aba9c419461a931f419

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