Malicious PDF — malware analysis report

Static analysis result for SHA-256 2efce4325fc222e8…

MALICIOUS

PDF

38.4 KB Created: 2021-05-10 16:15:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e1776f184452371579cdedb94cc423bd SHA-1: 9ad5b4ca15710447d6ccee7c66eb6bf69744255a SHA-256: 2efce4325fc222e86d48abdb386b49ec8a7730a8cd16552bc39a6439c50a4bfb
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure related to game hacks and free in-game currency to trick users into clicking malicious links. The document contains multiple embedded URLs that redirect to potentially harmful content, including a primary redirector identified as malicious. The presence of these links and the overall structure strongly suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9921

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.xyz/app/406889139/play-coin-master-game-hack In PDF document text
    • http://elitesoftsolutions.com/images/how-to-get-free-robux-without-verifying-2021_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/coin-master-map_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/free-roblox-wings_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/coin-master-daily-free-spins-link-download_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/coin-master-hack-unlimited-spins-and-coins-cheats_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/coin-master-spin-hack-without-verification_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/games-like-coin-master-for-free_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/appsmob-info-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/coin-master-hack-download-2021_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/roblox-cp_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/free-robux-live_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
stream_003_off00003df9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3DF9 24568 bytes
SHA-256: 4a778567fb44b2bfc7a7b9363806b115e97dc764e23fc5637cedee834cae5456
font_01_sfnt_off000074f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74F0 17956 bytes
SHA-256: 3643e479f0c37cbf16fafc1a8fc3121dcb1ff233e4f2886a877cfbec5145750a