Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6dca2097057200c…

MALICIOUS

PDF

34.7 KB Created: 2021-06-28 01:59:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 45bc05a91939baa7a72ff2c1f4b97375 SHA-1: 1f3a0a4b64ba1637cdb0e8bea730f74cd38b6ca1 SHA-256: d6dca2097057200cd17357ea3a8935c6e368ab3d4d532020563a13553f2eecf7
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a lure related to game hacks and generators, directing users to a suspicious URL. The ML classifier strongly indicated maliciousness, and the presence of embedded URLs further supports a malicious intent. The document likely serves as a phishing lure to redirect users to a site that may host further malicious content or attempt to exploit them.

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/speed-hacks-on-fangs-roblox-with-out-cheat-engins-game-hack PDF link annotation
    • http://library.acehresearch.org/repository/roblox-how-to-get-free-ranks_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/how-to-hack-coins-in-mcpe-master_GM406889139.pdfIn PDF document text
    • http://library.acehresearch.org/repository/coin-master-free-coins-hack_GM406889139.pdfIn PDF document text
    • http://library.acehresearch.org/repository/how-to-get-free-robux-2021-january_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/hack-de-roblox-robux-2021_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/free-roebucks_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/free-roblox-gear_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • http://library.acehresearch.org/repository/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/coin-master-spins-for-free_GM406889139.pdfIn PDF document text
    • http://library.acehresearch.org/repository/is-minecraft-free-on-xbox-one_GM479516143.pdfIn PDF document text
    • http://library.acehresearch.org/repository/get-free-robux-without-downloading-games_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/free-robux-hack-no-apps_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/roblox-free-download_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/minecraft-pocket-apk_GM479516143.pdfIn PDF document text
    • http://library.acehresearch.org/repository/roblox-hack-tool-account_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/how-to-get-free-robux-with-fake-credit-card_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/coin-master-free-spins-april-2021_GM406889139.pdfIn PDF document text
    • http://library.acehresearch.org/repository/coin-master-twitter_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_off00002f36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F36 22128 bytes
SHA-256: 205528d0619b7e84cb6489e53c8241647ac0b5f72e3d3dce68274082c2e21481
font_01_sfnt_off0000601e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x601E 19900 bytes
SHA-256: ce4debb3b58c4c9e9fe1c565ede1492af8cb90f9aa42573d87a534973edad942

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