Malicious PDF — malware analysis report

Static analysis result for SHA-256 f73bcdf5d9ff612a…

MALICIOUS

PDF

42.0 KB Created: 2021-05-16 13:06:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 74cf5bd62914a88ed996fbb4cb83f8d9 SHA-1: 7aaf059c95b3c73cc2db541df02070ad8569cca3 SHA-256: f73bcdf5d9ff612a32fc51ad468474e0847d34a58c0382e409ba9436615a7813
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors and game hack lures, indicating a phishing or scam attempt. The ML classifier also flagged this PDF with high confidence. Although no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest it is designed to redirect users to malicious sites, likely for credential harvesting or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/daily-spin-game-hack In PDF document text
    • http://ladagoterie.fr/images/minecraft-bedrock-edition-hacks_GM479516143.pdfIn PDF document text
    • http://ladagoterie.fr/images/coin-master-free-link-daily_GM406889139.pdfIn PDF document text
    • http://ladagoterie.fr/images/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdfIn PDF document text
    • http://ladagoterie.fr/images/coin-master-hack-root_GM406889139.pdfIn PDF document text
    • http://ladagoterie.fr/images/minecraft-images-free_GM479516143.pdfIn PDF document text
    • http://ladagoterie.fr/images/hack-coin-master-no-verification_GM406889139.pdfIn PDF document text
    • http://ladagoterie.fr/images/bux-gg-robux-free_GM431946152.pdfIn PDF document text
    • http://ladagoterie.fr/images/coin-master-daily-free-spin-and-coin_GM406889139.pdfIn PDF document text
    • http://ladagoterie.fr/images/minecraft-xbox-360-free_GM479516143.pdfIn PDF document text
    • http://ladagoterie.fr/images/robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://ladagoterie.fr/images/ac-market-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://ladagoterie.fr/images/how-to-win-robux_GM431946152.pdfIn PDF document text
    • http://ladagoterie.fr/images/how-to-get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://ladagoterie.fr/images/free-minecraft-servers-to-join_GM479516143.pdfIn PDF document text
    • http://ladagoterie.fr/images/coin-master-coins_GM406889139.pdfIn PDF document text
    • http://ladagoterie.fr/images/minecraft-cheats-pc-2021_GM479516143.pdfIn PDF document text
    • http://ladagoterie.fr/images/instagram-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://ladagoterie.fr/images/free-coin-master-spin-daily-link_GM406889139.pdfIn PDF document text
    • http://ladagoterie.fr/images/coin-master-hack-review_GM406889139.pdfIn PDF document text
    • http://ladagoterie.fr/images/cute-free-roblox-outfits_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_off00004a9b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A9B 24604 bytes
SHA-256: 4fc49e11e08ffb3d362fa1cd2517cdfcecada799d457e84acb2a7b436c88d293
font_01_sfnt_off00008320.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8320 17896 bytes
SHA-256: f5c28686dcaa6e4f5af5eb824d4c2910815e14a2156f8517a627a86c98a11a8a

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