Malicious PDF — malware analysis report

Static analysis result for SHA-256 f94d7313d07d07dd…

MALICIOUS

PDF

45.3 KB Created: 2021-06-03 09:18:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 5a22cea78d55a9904f1d6389f7fb3438 SHA-1: 7d6071949a57cdbcc6d71080918cb1407caab66b SHA-256: f94d7313d07d07dd6d847d07077681efdbddf7be87e1eee6880a054c861e2adc
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for a "free generator / game hack" which links to a known malicious redirector. The ML classifier also flagged this PDF as malicious. The embedded URL is designed to trick users into visiting a site that likely hosts further malicious content or exploits.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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/get-free-spins-on-coin-master-links-game-hack In PDF document text
    • http://new-era.com.tw/image/data/files/coinmaster-gps-user-review-coinmaster-coin-master-hack-pagedemo-index_GM406889139.pdfIn PDF document text
    • https://new-era.com.tw/image/data/files/coin-master-apk-free-download_GM406889139.pdfIn PDF document text
    • https://new-era.com.tw/image/data/files/coin-master-daily-free-spins-link-today-2021_GM406889139.pdfIn PDF document text
    • https://new-era.com.tw/image/data/files/coin-master-34-4-hack-download_GM406889139.pdfIn PDF document text
    • http://new-era.com.tw/image/data/files/coin-master-hack-apk_GM406889139.pdfIn PDF document text
    • http://new-era.com.tw/image/data/files/minecraft-free-ios_GM479516143.pdfIn PDF document text
    • https://new-era.com.tw/image/data/files/minecraft-realms-free_GM479516143.pdfIn PDF document text
    • http://new-era.com.tw/image/data/files/huskybuckscom-free-robux_GM431946152.pdfIn PDF document text
    • https://new-era.com.tw/image/data/files/tiktok-free-840-apk_GM835599320.pdfIn PDF document text
    • https://new-era.com.tw/image/data/files/minecraft-bedrock-free-download_GM479516143.pdfIn PDF document text
    • http://new-era.com.tw/image/data/files/robux-xyz_GM431946152.pdfIn PDF document text
    • http://new-era.com.tw/image/data/files/how-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://new-era.com.tw/image/data/files/coin-master-hack-apk-35-18_GM406889139.pdfIn PDF document text
    • http://new-era.com.tw/image/data/files/coin-master-online-hack-tool_GM406889139.pdfIn PDF document text
    • http://new-era.com.tw/image/data/files/coin-master-hack-spins-and-coins-unlimited-free-download_GM406889139.pdfIn PDF document text
    • http://new-era.com.tw/image/data/files/robux-generator-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://new-era.com.tw/image/data/files/how-to-get-a-cape-in-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://new-era.com.tw/image/data/files/where-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://new-era.com.tw/image/data/files/roblox-free-vip-server_GM431946152.pdfIn PDF document text
    • http://new-era.com.tw/image/data/files/free-foxy-food-coin-master_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_004_off00005491.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5491 26208 bytes
SHA-256: 9b17b13154956a166900264cd3be282a7759111c228274def3dbe6003703d9c8
font_01_sfnt_off00008f52.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F52 18056 bytes
SHA-256: 4b724ee49242e9c8465e3a985e2896a04a7babff1c2e883c4eb2adcfe8b67358

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