Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e2be6960bdb529a…

MALICIOUS

PDF

44.3 KB Created: 2021-05-14 16:56:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 3fe5e2448cc6d4678389fbd2a047c6bc SHA-1: 6cb61641816fffa698870b60a8f0d0573794a9da SHA-256: 5e2be6960bdb529a2e8e7f894bd81644e88b01efb172f20c3c0205e0e61f44c1
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that are presented as 'free generators' or 'hacks' for popular games, such as Coin Master and Roblox. The primary lure URL, 'https://netcdn.xyz/app/406889139/hack-master-coin-game-hack', is flagged as a high-risk redirector. The document's structure and content strongly suggest a phishing or scam attempt designed to trick users into visiting malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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.xyz/app/406889139/hack-master-coin-game-hack PDF link annotation
    • https://esl.ipb.ac.id/images/how-to-get-more-robux-for-free_GM431946152.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/free-roblox-account-generator_GM431946152.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/coin-master-spin-free_GM406889139.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/hack-coin-master-apk-358_GM406889139.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/free-robux-kid-friendly_GM431946152.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/free-robux-gift-card-codes-2021_GM431946152.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/how-to-get-free-skins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/how-to-get-free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/free-robux-wheel_GM431946152.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/free-minecraft-svg-cutting-files_GM479516143.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/free-coins-and-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/coin-master-hack-tool-ios_GM406889139.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/coin-master-hack-spins_GM406889139.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/e-free-roblox_GM431946152.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/how-to-hack-robux_GM431946152.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/minecraft-free-ios-no-verification_GM479516143.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/free-accessories-roblox_GM431946152.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/free-spins-and-coins-coin-master-facebook_GM406889139.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_003_off000048de.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48DE 25012 bytes
SHA-256: 2d0b591f999f96f9df27fd43f0d93d613708426be973e5b6491db6ee948d1fe4
font_01_sfnt_off0000817a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x817A 17716 bytes
SHA-256: 99b3868d8620c4fe73bc357d7cd5eaee384af7838d617dcb8ad3f12085ac9d54
font_02_sfnt_off0000a1d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA1D2 3264 bytes
SHA-256: e32c06502c11b52acb5e814091c5fdbffd1e2a904ac7a9cfb8b5b180bd139088

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