Malicious PDF — malware analysis report

Static analysis result for SHA-256 94c98ea3b2027d01…

MALICIOUS

PDF

31.6 KB Created: 2021-06-20 11:13:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f262227d1c8f32ca78ed97ca1640a76a SHA-1: 7b4b135027dcfbd7fc3f2fa8ed6c9a8e8d96bc0b SHA-256: 94c98ea3b2027d01d4bbe0cb1a5331a52839412b8ee2ba9ec94325e565fa3fe5
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains embedded links that are flagged as malicious redirectors, specifically pointing to a 'free generator / game hack' lure. The document body and extracted URLs reinforce this by referencing game hacks and free currency for popular games like Roblox and Coin Master. The primary malicious action is redirecting the user to potentially harmful content via the embedded URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 3

  • 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.
  • 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/free-account-in-roblox-password-and-username-game-hack In PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/how-to-prevent-being-hacked-on-roblox_GM431946152.pdfIn PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/free-robux-for-kids_GM431946152.pdfIn PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/coin-master-gold-cards-hack_GM406889139.pdfIn PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/toolbox-for-minecraft-pe-mod-apk_GM479516143.pdfIn PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/minecraft-free-education_GM479516143.pdfIn PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/collect-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/free-unlimited-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-passwords_GM431946152.pdfIn PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/how-do-we-get-free-robux_GM431946152.pdfIn PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/free-coin-master-game_GM406889139.pdfIn PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/roblox-zone-robux-hack_GM431946152.pdfIn PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/free-robux-now_GM431946152.pdfIn PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/coin-master-ios-hack_GM406889139.pdfIn PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • https://e-learning.m2mpekanbaru.sch.id/__statics/gudangsoal/files/roblox-place-rewards_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002fd0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FD0 21620 bytes
SHA-256: d3636bc16b069c209b3914b6eb86d2edc5efc13041106e354352127f6b537451

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