Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba973d85565a358c…

MALICIOUS

PDF

43.6 KB Created: 2021-05-14 11:15:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8a4bc431fe5632fbb1f125630319cb9a SHA-1: 6a6baa8e4b30008068de921f5b7e8c4a02fcd673 SHA-256: ba973d85565a358c0e3829fd71b80892444e7e036eb639f8e1435daf20b7b987
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links designed to lure users into clicking on them, disguised as game hacks and generators. The primary malicious redirector URL identified is https://netcdn.xyz/app/431946152/roblox-demon-game-hack. The document body, though heavily obfuscated, contains references to game hacks and the authoring application, further supporting the lure-based attack pattern. No scripts were extracted, but the presence of malicious redirector links and the lure indicate a phishing or redirection 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/roblox-demon-game-hack In PDF document text
    • https://www.studio-dentistico-fiume.com/files/how-to-hack-a-minecraft-server-and-make-yourself-op_GM479516143.pdfIn PDF document text
    • https://www.studio-dentistico-fiume.com/files/coin-master-hack-cheat-generator-coins-and-spins-unlimited_GM406889139.pdfIn PDF document text
    • https://www.studio-dentistico-fiume.com/files/coin-master-free-coins-link-2021_GM406889139.pdfIn PDF document text
    • http://studio-dentistico-fiume.com/files/hack-coin-master-nyc_GM406889139.pdfIn PDF document text
    • http://studio-dentistico-fiume.com/files/weird-roblox_GM431946152.pdfIn PDF document text
    • http://studio-dentistico-fiume.com/files/how-to-get-free-robux-without-downloading-apps-2021_GM431946152.pdfIn PDF document text
    • http://studio-dentistico-fiume.com/files/25-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://studio-dentistico-fiume.com/files/hack-xp-net-coin-master_GM406889139.pdfIn PDF document text
    • https://www.studio-dentistico-fiume.com/files/how-to-hack-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.studio-dentistico-fiume.com/files/coin-master-free-spins-without-human-verification_GM406889139.pdfIn PDF document text
    • https://www.studio-dentistico-fiume.com/files/easy-robux-today_GM431946152.pdfIn PDF document text
    • https://www.studio-dentistico-fiume.com/files/how-to-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://www.studio-dentistico-fiume.com/files/coin-master-hack-355_GM406889139.pdfIn PDF document text
    • http://studio-dentistico-fiume.com/files/can-you-get-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://studio-dentistico-fiume.com/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://studio-dentistico-fiume.com/files/cm-spins_GM406889139.pdfIn PDF document text
    • https://www.studio-dentistico-fiume.com/files/free-coin-spin_GM406889139.pdfIn PDF document text
    • https://www.studio-dentistico-fiume.com/files/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://studio-dentistico-fiume.com/files/martian-lettuce-coin-master-free_GM406889139.pdfIn PDF document text
    • http://studio-dentistico-fiume.com/files/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004cb9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4CB9 25956 bytes
SHA-256: 4bc877dee5be414172f97cb11dc776589f8041219cfcca5f3dbd229731d756a3
font_01_sfnt_off00008835.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8835 18212 bytes
SHA-256: 154e8108477d046bb889977307a11af941b4a6aa2dcdd37083d059027e482bf2

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