Malicious PDF — malware analysis report

Static analysis result for SHA-256 6dd16344b06078dd…

MALICIOUS

PDF

34.8 KB Created: 2021-06-28 00:36:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e3a57ec815433f3d57acd70c798b90c4 SHA-1: 5af804b98252937b77e1766f8d541ffe87ea7aa7 SHA-256: 6dd16344b06078ddef758e59efab2e35de820a8cf61fdc8b818918fb4f7cdfce
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple embedded links that redirect to malicious infrastructure, specifically promoting 'game hacks' and 'free currency'. The primary lure is a link to 'how-to-download-hacks-for-roblox-game-hack', which is hosted on a known malicious redirector. The document body and heuristics confirm the intent is to trick users into visiting these sites, likely for further malware delivery or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/how-to-download-hacks-for-roblox-game-hack In PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/free-minecraft-account-generator_GM479516143.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/how-to-get-a-free-minecraft-server_GM479516143.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/earn-robux-today-free-2021_GM431946152.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/how-to-download-hacks-in-roblox_GM431946152.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/real-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/how-to-make-free-robux_GM431946152.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/gamesofficenet-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/free-robux-no-downloading-apps_GM431946152.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/free-spin-coin-master-instagram_GM406889139.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/games-on-roblox-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/coin-hack-for-assassain-roblox_GM431946152.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/coin-master-hack-app-download-free_GM406889139.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/coin-master-hack-version-download-ios_GM406889139.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/free-robux-pin-codes_GM431946152.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/is-roblox-free-on-nintendo-switch_GM431946152.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/free-mobile-360-robux_GM431946152.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/free-robux-with-tampermonkey_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_off00002f16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F16 22880 bytes
SHA-256: d5bc35d4a64d040b423a55cdb62497ff44c1b2e4c384df0e3e14857363d6649c
font_01_sfnt_off00006245.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6245 19328 bytes
SHA-256: 781141d476d98f33f412f3de0342eb0a953ee298adde17d42e58ce6667dbe62f

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