Malicious PDF — malware analysis report

Static analysis result for SHA-256 3212ebe81c050909…

MALICIOUS

PDF

34.7 KB Created: 2021-07-04 20:17:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 93501781747aa81de6d940b24fde85b6 SHA-1: 44a4c7fe299fd3733f3479c752170d1987f1e167 SHA-256: 3212ebe81c050909b36c0aa477b5569eb15b4fbb79e8eaaf8c08c3b25b7d4d23
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a lure for free game currency and accounts, directing users to a suspicious URL. The ML classifier strongly flagged this PDF as malicious, and the embedded URL is associated with game hacks and cheats. The document's content and the presence of multiple related URLs suggest a phishing or scam attempt designed to redirect users to potentially harmful sites.

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/431946152/free-roblox-accounts-with-robux-that-work-not-banned-game-hack PDF link annotation
    • http://katalog.ireyogya.org/repository/dev-roblox-cheats_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-redeem-code-for-coin-master_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/pubg-uc-770_GM1330123889.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-free-spins-and-coins-daily_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-get-free-robux-20219_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/robux-codes_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/robux-fre-video_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-play-minecraft-for-free-on-computer_GM479516143.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-roblox-items-codes_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/hacked-account-via-roblox_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-robux-without-verification_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-hack-2021-android_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-hack-tool-2021_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-free-spin-facebook-link_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/jjsploit-hack-roblox_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-hack-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-boat-ride-roblox-funneh_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-download-minecraft-for-free-on-mac_GM479516143.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-get-free-spins-on-coin-master-facebook_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_off00002fc2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FC2 22056 bytes
SHA-256: 81adf67d554e9bdf52c99b01efd4da6a3beed725bb3b578f39f26270e6103ef9
font_01_sfnt_off000060ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60AE 19720 bytes
SHA-256: e7aa0a474f873a6e751f5083720d35e515444fa97241f03d9058db0775c81672

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