Malicious PDF — malware analysis report

Static analysis result for SHA-256 e49cbf9c50279bd1…

MALICIOUS

PDF

43.6 KB Created: 2021-05-14 19:31:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8f2efd9ed7baef1302ab53f7de6fad71 SHA-1: d1d247d21023f5294e34c5b00d403b791fa679c3 SHA-256: e49cbf9c50279bd1a8241d07fd4bcee85da309882c63d94755ce9de8e2b53d5e
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, specifically advertising free game currency or hacks. The primary redirector URL is https://netcdn.xyz/app/431946152/how-to-get-free-robux-on-iphone-game-hack. This indicates a social engineering attack designed to lure users to potentially malicious content. No scripts were extracted, but the presence of malicious links and the lure strongly suggest a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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/how-to-get-free-robux-on-iphone-game-hack In PDF document text
    • https://verstricktundzugenaeht.com/images/coin-master-free-gifts_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/roblox-robux-hack_GM431946152.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/hackear-coin-master-android_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/coin-master-hack-version-download-2021_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/minecraft-dungeons-free_GM479516143.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/free-card-link-coin-master_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/hack-coin-master-spin-apk_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/hack-coin-master-without-root_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/spin-links-for-coin-master_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/coin-master-spin-hack-without-verification_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/free-roblox-templates_GM431946152.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/roblox-moderators_GM431946152.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/coin-master-free-coins-hack_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/coin-master-free-spins-link-2021-iphone_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/free-roblox-script-executor_GM431946152.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/minecraft-free-download-mac-full-version_GM479516143.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/how-to-hack-coin-master_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/free-roblox-girl-hair-not-a-model_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_off00004cb8.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4CB8 25240 bytes
SHA-256: a523fe83df1d4d3d86c593cb3c0921603a5a45a5e5b2cf7e23aa5cf8c04f5cee
font_01_sfnt_off00008725.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8725 18624 bytes
SHA-256: 22426b865d680281cc4768d4f40ba725f59186fc510e45c7c95a1e6bea128c39

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