Malicious PDF — malware analysis report

Static analysis result for SHA-256 da60a45a5f9b3bd6…

MALICIOUS

PDF

45.4 KB Created: 2021-06-02 19:50:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d121e70d016de97f05e1f7fd0ad3ac2f SHA-1: d178cb4ee96f5b2a69ca4cccf26390c4eb5582eb SHA-256: da60a45a5f9b3bd65718b1b943cc5f002e63c64554075fd88c96b6333b3ae064
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirectors and potentially malicious domains, disguised as game-related generators or hacks. The document body, though heavily obfuscated, contains references to 'Roblox Hack Apk' and URLs that align with the heuristic findings of malicious redirector links. The primary goal appears to be directing users to external sites for malicious purposes, likely to download further malware or engage in phishing.

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.xyz/app/431946152/descargar-roblox-hack-apk-game-hack In PDF document text
    • http://ferienwohnung-walker.de/images/roblox-army-free-robux_GM431946152.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/roblox36com-free-robux_GM431946152.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/www-roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/free-robux-youtube_GM431946152.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/coin-master-free-spins-link-may-2021_GM406889139.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/coin-master-latest-version-hack_GM406889139.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/coin-master-spins_GM406889139.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/how-to-get-stuff-that-cost-coins-free-mcpe-master_GM406889139.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/coin-master-free-spins-1-coin-master_GM406889139.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/free-minecraft-java-server_GM479516143.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/rewards-roblox_GM431946152.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/free-mods-for-coin-master_GM406889139.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/minecraft-free-computer-game_GM479516143.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/teach-me-to-hack_GM431946152.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/fb-coin-master_GM406889139.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/free-robloxs-birthday-cards_GM431946152.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/bloxpink-free-robux_GM431946152.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/blogger-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/free-tiktok-likes-trial_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_off0000534d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x534D 25516 bytes
SHA-256: 7f3a079a23f7cb5bea35f48c83688c2809c462b540453be97feaae36e3a8f0d6
font_01_sfnt_off00008d40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D40 18812 bytes
SHA-256: 528b592db132f2bae5462175a3aa9f929a51bd3106e1cace0e1337f2caba3ada