Malicious PDF — malware analysis report

Static analysis result for SHA-256 52971e565999fae7…

MALICIOUS

PDF

34.5 KB Created: 2021-06-19 11:58:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: dd817ff94711f6f267744662d6dfe7ff SHA-1: 899f24d6e04accb13ff24d2279dc147b5f157bac SHA-256: 52971e565999fae7ea8259c4e04ae4430d4b389bad447ecc3b17c3425fcf40fb
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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.co/app/431946152/descendants-2-games-on-roblox-free-game-hack PDF link annotation
    • http://italymania.ru/images/mcpe-master-hack-unlimited-coins-latest-version_GM406889139.pdfIn PDF document text
    • http://italymania.ru/images/coin-master-free-spins-cheat_GM406889139.pdfIn PDF document text
    • http://italymania.ru/images/bloxpage-free-robux_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/btools-hack-roblox-prison-life_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/coin-master-free-spins-and-coins-daily_GM406889139.pdfIn PDF document text
    • http://italymania.ru/images/games-you-can-hack-on-roblox_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/free-robux-obby_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/rbx-free-robux_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/roblox-free-robux-website_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/android-robux-hack-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/how-to-get-minecraft-windows-10-for-free-2021_GM479516143.pdfIn PDF document text
    • http://italymania.ru/images/roblox-cool-clothes-for-free_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/hack-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://italymania.ru/images/free-robux-just-enter-username-and-password_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/how-to-get-free-tiktok-followers-without-human-verification_GM835599320.pdfIn PDF document text
    • http://italymania.ru/images/minecraft-for-ipad-free_GM479516143.pdfIn PDF document text
    • http://italymania.ru/images/master-coin-free-spin-daily_GM406889139.pdfIn PDF document text
    • http://italymania.ru/images/how-to-get-free-robux-without-verification-or-surveys_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_off00002f0d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F0D 22236 bytes
SHA-256: 576028d4787a8841ce2006ec3ed0de0029d41388a521dc01b80cf0a57c36a2db
font_01_sfnt_off0000604a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x604A 19480 bytes
SHA-256: a48665fb9e379db602d68bbceee5a69cb6df5853590900adbb7ea9f821a25070

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