Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d4544e1b08214d8…

MALICIOUS

PDF

47.8 KB Created: 2021-06-03 07:40:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 128deaba8bed57374d6dad1926a22095 SHA-1: 36af549ae5034e2561cc6f0c46d94aa4c6051f1e SHA-256: 0d4544e1b08214d8404e8249e4f29b123f36a2d452542cccc4e086e6ac786301
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple embedded links that redirect to a malicious website, disguised as a game hack generator. The primary link, https://netcdn.online/app/406889139/hack-spin-coin-master-game-hack, is identified as a known malicious redirector. The document's content and structure strongly suggest a phishing or scam attempt to lure users to a compromised site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9769

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.online/app/406889139/hack-spin-coin-master-game-hack In PDF document text
    • http://slims.abulyatama.ac.id/repository/how-to-get-free-robux-without-downloading-apps-2021_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/spin-coin-master_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/free-robux-for-kids_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/coin-master-100-free-spins-link_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/minecraft-svg-free_GM479516143.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/20-free-spin-link-coin-master_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/bloxpage-free-robux_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/minecraft-hacks-wurst_GM479516143.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/how-to-get-free-spins-on-coin-master-2021-iphone_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/roblox-girl_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/coin-master-hack-no-survey-or-verification_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/roblox-help-free-robux_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/coinmaster-spin-ml_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/worst-roblox-avatars_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/coin-free-spin_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/is-there-a-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/minecraft-diamond-finder-hack_GM479516143.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/roblox-exploit-download_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_004_off0000540e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x540E 25428 bytes
SHA-256: 2365a6ae5e1374c6ea68fda175b788cc7f82771a42041299e4a034f9f2724740
font_01_sfnt_off00008f21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F21 2944 bytes
SHA-256: a0301b7f2c576e4a889a11eed4f4f7770c47239120b218cd3fd1d2cb36c2aaf5
font_02_sfnt_off0000994a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x994A 17892 bytes
SHA-256: 69d13a3c8714eb3dc3a02fadd36b14af4b9de34ef00b9c69ce1967a940d24287

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