Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6053cd180b1bdf…

MALICIOUS

PDF

44.1 KB Created: 2021-06-07 01:33:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-17
MD5: ace076885358d9405fb78cb742242f46 SHA-1: b8e587751a2f4ed6146f9f35e5530f939c71d7f5 SHA-256: 2b6053cd180b1bdf22a9e1cd06d1798cc0c3107cc5e746a5ed4199084df8bed9
180 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 5

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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.tw/app/431946152/roblox-events-free-robux-game-hack In PDF document text
    • http://traveltrucks.com.au/images/coin-master-hack-2021-no-human-verification_GM406889139.pdfIn PDF document text
    • http://traveltrucks.com.au/images/how-to-actually-get-free-robux_GM431946152.pdfIn PDF document text
    • http://traveltrucks.com.au/images/50-free-spins-coin-master-links_GM406889139.pdfIn PDF document text
    • http://traveltrucks.com.au/images/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • http://traveltrucks.com.au/images/oprewards-login_GM431946152.pdfIn PDF document text
    • http://traveltrucks.com.au/images/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://traveltrucks.com.au/images/how-to-get-roebucks-in-roblox_GM431946152.pdfIn PDF document text
    • http://traveltrucks.com.au/images/robux-come_GM431946152.pdfIn PDF document text
    • http://traveltrucks.com.au/images/static-moonactive-net_GM406889139.pdfIn PDF document text
    • http://traveltrucks.com.au/images/roblox-hack-scripts-pastebin_GM431946152.pdfIn PDF document text
    • http://traveltrucks.com.au/images/coin-master-15-free-spin-link-today_GM406889139.pdfIn PDF document text
    • http://traveltrucks.com.au/images/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://traveltrucks.com.au/images/free-robux-no-verify_GM431946152.pdfIn PDF document text
    • http://traveltrucks.com.au/images/how-to-hack-coin-master-root_GM406889139.pdfIn PDF document text
    • http://traveltrucks.com.au/images/can-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://traveltrucks.com.au/images/free-robux-com-roblox_GM431946152.pdfIn PDF document text
    • http://traveltrucks.com.au/images/bloxpink-free-robux_GM431946152.pdfIn PDF document text
    • http://traveltrucks.com.au/images/how-to-download-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://traveltrucks.com.au/images/coin-master-mod-apk-latest-hack-with-unlimited-free-spins_GM406889139.pdfIn PDF document text
    • http://traveltrucks.com.au/images/coin-master-free-coins-cheat_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_off00004f97.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F97 24960 bytes
SHA-256: 1dec3f65963a4434ca89bcb141562937c55d4b6e758dfc7ce7ab53917c77a7db
font_01_sfnt_off00008969.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8969 18308 bytes
SHA-256: 1e9d5c4ce0b88ff32ad5fd18a52118a116fa279c65d2d8fd217a4b96e9a99dfc