Malicious PDF — malware analysis report

Static analysis result for SHA-256 69f6acb5a3e2e5b5…

MALICIOUS

PDF

34.3 KB Created: 2021-06-18 20:37:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8c636f4d36ddca5634cdf519fad231a5 SHA-1: a3fcf7479484997698e8c2b41f39987d46622c73 SHA-256: 69f6acb5a3e2e5b5082398740f07b8b080cb2fac23e7c56ac405f3b9304a3daa
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs, one of which, http://netcdn.co/app/431946152/cheat-monnaie-roblox-game-hack, is identified as a malicious redirector. The document body and heuristics suggest a lure for game-related cheats or currency, indicating a phishing or scam attempt. The presence of embedded URLs and the nature of the lure point towards a social engineering attack, likely delivered as a spearphishing attachment.

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/cheat-monnaie-roblox-game-hack In PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/free-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/coin-master-gold-cards-hack_GM406889139.pdfIn PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/free-robux-no-gift-card_GM431946152.pdfIn PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/www-free-robux_GM431946152.pdfIn PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/free-minecraft-skin-packs_GM479516143.pdfIn PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/minecraft-java-edition-download-free_GM479516143.pdfIn PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/best-free-minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/free-spin-link-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/free-back-accessories-roblox_GM431946152.pdfIn PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/coin-master-daily-free-cards_GM406889139.pdfIn PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/minecraft-windows-10-edition-free_GM479516143.pdfIn PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/is-roblox-free-on-xbox_GM431946152.pdfIn PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/coin-master-hack-ios-no-human-verification_GM406889139.pdfIn PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/roblox-generator_GM431946152.pdfIn PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/roblox-website-robux_GM431946152.pdfIn PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/roblox-free-executor_GM431946152.pdfIn PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/real-free-robux-generator_GM431946152.pdfIn PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/free-coins-coin-master-no-human-verification_GM406889139.pdfIn PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/minecraft-hack-mod_GM479516143.pdfIn PDF document text
    • https://e-learning.manbangkalan.sch.id/__statics/gudangsoal/files/roblox-hack-tool-without-human-verification_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_off00002f8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F8D 22252 bytes
SHA-256: 8f90dcf7c1f4e387b08e0bc58e3bada2724782c12b871139693cae3415fab93a
font_01_sfnt_off00006113.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6113 19072 bytes
SHA-256: c18ab90943d6ee3abb4d60a8897bb3df3b3df280a60e61238a584dd6aa3c040b

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