Malicious PDF — malware analysis report

Static analysis result for SHA-256 eddbbe53465e57a2…

MALICIOUS

PDF

41.8 KB Created: 2021-05-14 23:06:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c23f87933993572752544e58d0403612 SHA-1: 2e8ba8e6df5d2c001351c189daf79cdbdffc5dab SHA-256: eddbbe53465e57a229f7fcbc0b846ae29506bb5beed7d5790699351109eed1a4
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs, with one prominent URL pointing to a 'coin-master-cards-for-free-game-hack' page. The ML classifier also flagged this PDF as malicious. The presence of these links and the lure of free in-game items suggest a phishing or scam attempt designed to trick users into visiting malicious sites or downloading further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/406889139/coin-master-cards-for-free-game-hack In PDF document text
    • https://ethraa.ae/userfiles/files/minecraft-server-hacks_GM479516143.pdfIn PDF document text
    • https://ethraa.ae/userfiles/files/daily-free-spin-link-in-coin-master_GM406889139.pdfIn PDF document text
    • https://ethraa.ae/userfiles/files/how-to-get-free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://ethraa.ae/userfiles/files/best-free-roblox-outfits_GM431946152.pdfIn PDF document text
    • https://ethraa.ae/userfiles/files/how-to-hack-coin-master-ios_GM406889139.pdfIn PDF document text
    • https://ethraa.ae/userfiles/files/master-coin-free-spin-daily_GM406889139.pdfIn PDF document text
    • https://ethraa.ae/userfiles/files/how-to-get-2021-robux-for-free_GM431946152.pdfIn PDF document text
    • https://ethraa.ae/userfiles/files/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://ethraa.ae/userfiles/files/how-to-hack-roblox-games_GM431946152.pdfIn PDF document text
    • https://ethraa.ae/userfiles/files/coin-master-heaven-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://ethraa.ae/userfiles/files/gold-cards-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://ethraa.ae/userfiles/files/how-to-download-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://ethraa.ae/userfiles/files/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • https://ethraa.ae/userfiles/files/coun-master_GM406889139.pdfIn PDF document text
    • https://ethraa.ae/userfiles/files/coin-master-hack-2021-app-download_GM406889139.pdfIn PDF document text
    • https://ethraa.ae/userfiles/files/robux-generator-no-survey_GM431946152.pdfIn PDF document text
    • https://ethraa.ae/userfiles/files/500-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • https://ethraa.ae/userfiles/files/earn-free-robux-today_GM431946152.pdfIn PDF document text
    • https://ethraa.ae/userfiles/files/coin-master-update-2021_GM406889139.pdfIn PDF document text
    • https://ethraa.ae/userfiles/files/coin-master-free-spins-link-blogspot-april-2021_GM406889139.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
stream_003_off000049c9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49C9 24780 bytes
SHA-256: 63675cbae95cab370b3f00d5842f17f66d26b51039135251c3d546a02ccc7bda
font_01_sfnt_off00008205.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8205 17884 bytes
SHA-256: d54aa51eaaaa3e2864f0114713409e316145a0183ee6aba9be1e443db1dceb19

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