Malicious PDF — malware analysis report

Static analysis result for SHA-256 7048c1b629ddfbb2…

MALICIOUS

PDF

35.1 KB Created: 2021-06-19 12:26:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 70a7496ab6d90b51d06f16ea2404c558 SHA-1: 725792af6dacf807c1e82c4372fed1ff0510c8d2 SHA-256: 7048c1b629ddfbb2af40351e2e17060b2c2055b4f8e960550c6b26657ce241e9
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, disguised with lures related to game hacks and free currency. The ML classifier strongly flagged this PDF as malicious. The embedded URLs likely lead to a second-stage download or phishing page, indicating a common distribution tactic for malware.

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.co/app/431946152/roblox-robux-and-tix-hack-rtm-tool-game-hack In PDF document text
    • http://meisterhaus-guterl.de/images/minecraft-education-edition-free_GM479516143.pdfIn PDF document text
    • http://meisterhaus-guterl.de/images/free-robux-exe_GM431946152.pdfIn PDF document text
    • http://meisterhaus-guterl.de/images/coin-master-free-spin-app-apk_GM406889139.pdfIn PDF document text
    • http://meisterhaus-guterl.de/images/coin-master-free-gold-cards-link_GM406889139.pdfIn PDF document text
    • http://meisterhaus-guterl.de/images/roblox-bhop-hack_GM431946152.pdfIn PDF document text
    • http://meisterhaus-guterl.de/images/how-do-you-get-robux_GM431946152.pdfIn PDF document text
    • http://meisterhaus-guterl.de/images/free-spin-gratis-coin-master_GM406889139.pdfIn PDF document text
    • http://meisterhaus-guterl.de/images/free-minecraft-wallpaper_GM479516143.pdfIn PDF document text
    • http://meisterhaus-guterl.de/images/how-to-get-free-robux-fast_GM431946152.pdfIn PDF document text
    • http://meisterhaus-guterl.de/images/how-to-get-free-robux-2021-october_GM431946152.pdfIn PDF document text
    • http://meisterhaus-guterl.de/images/free-clothing-on-roblox_GM431946152.pdfIn PDF document text
    • http://meisterhaus-guterl.de/images/roblox-free-robux-website_GM431946152.pdfIn PDF document text
    • http://meisterhaus-guterl.de/images/can-you-really-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://meisterhaus-guterl.de/images/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://meisterhaus-guterl.de/images/how-to-cheat-in-roblox-jailbreak-2021_GM431946152.pdfIn PDF document text
    • http://meisterhaus-guterl.de/images/pastebin-robux-hack_GM431946152.pdfIn PDF document text
    • http://meisterhaus-guterl.de/images/boku-no-roblox-hack_GM431946152.pdfIn PDF document text
    • http://meisterhaus-guterl.de/images/r17-roblox-hack_GM431946152.pdfIn PDF document text
    • http://meisterhaus-guterl.de/images/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://meisterhaus-guterl.de/images/new-free-items-in-roblox-catalog-2021_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
font_00_sfnt_off000030e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30E6 22688 bytes
SHA-256: c2b23e8cfb6913175ebc616d40948fc3f045c78b8cbfb3f48a00b5603f969553
font_01_sfnt_off00006393.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6393 19268 bytes
SHA-256: 1299df456741f52f4fc2032a4141da5654225ac0a00066bcd9140995470a4c8d

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