Malicious PDF — malware analysis report

Static analysis result for SHA-256 db47dc0f9b0e026b…

MALICIOUS

PDF

47.3 KB Created: 2021-05-12 03:15:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 3603dd39ff3b9aa1131cc471170aba8e SHA-1: fd3535db02e75dfe95a0fbd82ccc9a0dcd764ef6 SHA-256: db47dc0f9b0e026b61e82c43d4412465ab00bd45633fc74ab30715ac29007ebe
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure related to game hacks and free currency to entice users to click on links. The primary link redirects to a known malicious domain, indicating a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9013

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 https://netcdn.xyz/app/431946152/roblox-hack-me-robux-game-hack In PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/coin-master-free-spins-2021-hack_GM406889139.pdfIn PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/free-robux-hack-us_GM431946152.pdfIn PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/coin-master-hack-quora_GM406889139.pdfIn PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/free-roblox-hack_GM431946152.pdfIn PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/free-coin-master-spins-links-2021_GM406889139.pdfIn PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/free-robux-wheel_GM431946152.pdfIn PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/how-to-get-free-robux-easy-2021_GM431946152.pdfIn PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/get-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/how-to-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/coin-master-hack-tool-v1-9-pc_GM406889139.pdfIn PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/coin-master-free-coins-and-spins-2021_GM406889139.pdfIn PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/roblox-com-redeem_GM431946152.pdfIn PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/100-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/coin-master-guide-to-free-spins-and-rewards_GM406889139.pdfIn PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/how-to-get-free-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/coin-master-free-gifts_GM406889139.pdfIn PDF document text
    • https://elibrary.stp-aviasi.ac.id/repository/websites-that-give-free-robux_GM431946152.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_off00004afa.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AFA 26344 bytes
SHA-256: 050a7ba886e8bf3879eab8396ec9745c4be42c3de6b5dc4b665c04461212ad51
font_01_sfnt_off000088e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88E9 5696 bytes
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139
font_02_sfnt_off000095fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x95FA 18520 bytes
SHA-256: a375bd11c65aaa265b5abc99eda8135c05062389b04afd63241033984f92b3c1

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