Malicious PDF — malware analysis report

Static analysis result for SHA-256 00e7e5e3c4edda56…

MALICIOUS

PDF

34.4 KB Created: 2021-07-04 20:51:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24
MD5: 440b3a2a54b819a5de100edfe725db45 SHA-1: f5bc97b0dd691e07b198564e53e0aa797cd0a7cc SHA-256: 00e7e5e3c4edda569f1d23f3afcbbf8ae00a1ef4ccf3eb0d3cb0b63806aaa40a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one that redirects to known malicious infrastructure, disguised as a game hack generator. The presence of a download button lure and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content. No scripts were extracted, but the document's structure and embedded URLs strongly suggest a phishing or redirection attack.

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.tw/app/431946152/synapse-roblox-free-game-hack In PDF document text
    • http://slims.abulyatama.ac.id//repository/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/minecraft-wurst-hacked-client_GM479516143.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/bux-city-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/coin-master-free-spin-bonus_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/roblox-game-studio-unblocked-cheats-download-guide-unofficial-chala-dar_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/roblox-hack-2021-free_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/can-i-get-banned-from-a-roblox-game-for-cheating_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-fire-coin-master_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/roblox-speed-click-hack_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/redeem-roblox-card-generator-free_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/dragon-ball-galaxy-roblox-hack_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/tiktok-free-auto-views_GM835599320.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/coin-master-free-spins-and-coins-today-gift-reward_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-robux-app-2021_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/hacking-is-allowed-roblox_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/can-you-give-me-free-robux_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-robux-promo-codes-december-2021_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-roblox-levels_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/coin-master-free-spins-link-without-human-verification_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
font_00_sfnt_off00002fda.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FDA 22304 bytes
SHA-256: e61f63fee4db6824c8ba1529b72540eb9d5ec3fa767b284f87de5e756a6e3fc1
font_01_sfnt_off00006176.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6176 19008 bytes
SHA-256: fd13bbc8c4c08892cc29ca25fef22cd001df09f8ad86701bb5b734f2a04f080b

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