Malicious PDF — malware analysis report

Static analysis result for SHA-256 14b9ede69a1568ec…

MALICIOUS

PDF

34.1 KB Created: 2021-07-19 19:23:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6868ca22733b3b61dd311d08c909ebf0 SHA-1: 84a053cdf332c0056479f65345fbee501bb7ae2c SHA-256: 14b9ede69a1568ecfbb66d65ee41c50fb5356619a48a50ba49bf8159df9bc495
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document employs a lure for free in-game currency, directing users to a known malicious redirector. The document body contains multiple URLs that likely serve as further lures or landing pages for the malicious campaign. The presence of embedded URLs and the overall structure suggest an attempt to exploit user interest in game hacks to deliver a payload or redirect to phishing content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9955

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/406889139/coin-master-daily-free-spin-app-game-hack In PDF document text
    • https://www.hotel-forsthaus.com/images/free-tiktok-followers-instantly_GM835599320.pdfIn PDF document text
    • https://www.hotel-forsthaus.com/images/minecraft-pe-free-download_GM479516143.pdfIn PDF document text
    • https://www.hotel-forsthaus.com/images/how-to-hack-roblox-for-robux_GM431946152.pdfIn PDF document text
    • https://www.hotel-forsthaus.com/images/how-to-get-free-robux-on-computer_GM431946152.pdfIn PDF document text
    • https://www.hotel-forsthaus.com/images/coin-master-free-spin-and-coins-links-2021_GM406889139.pdfIn PDF document text
    • https://www.hotel-forsthaus.com/images/free-views-on-tiktok_GM835599320.pdfIn PDF document text
    • https://www.hotel-forsthaus.com/images/how-to-hack-roblox-games_GM431946152.pdfIn PDF document text
    • https://www.hotel-forsthaus.com/images/minecraft-name-tag-hacks_GM479516143.pdfIn PDF document text
    • https://www.hotel-forsthaus.com/images/how-to-hack-roblox_GM431946152.pdfIn PDF document text
    • https://www.hotel-forsthaus.com/images/free-tiktok-followers-and-likes_GM835599320.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_off00002d21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D21 23880 bytes
SHA-256: 1573c1315a506ab70885942e48a338b2da6b5d87224b06c069e55f060e18b522
font_01_sfnt_off0000637a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x637A 18308 bytes
SHA-256: f9a3a46f76b0cae8a4d9bd0baf07f2a5aefd3f4554b846be65e0119e8f17791d

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