Malicious PDF — malware analysis report

Static analysis result for SHA-256 d435c6cc8fdd63fb…

MALICIOUS

PDF

41.2 KB Created: 2021-05-15 23:31:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0b6698cf1b6828915dab9ea18fb63913 SHA-1: 423ff92a0e115225bb036d4e749d0131c6d35263 SHA-256: d435c6cc8fdd63fb30cadf13df70b924669e2b06e152bbf75654515e4746960a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors and lures for game hacks, such as 'haktuts-coin-master-spins-game-hack'. The document body also contains numerous URLs pointing to potentially malicious PDF files related to game cheats and currency. These findings indicate a phishing or malware distribution attempt, likely initiated via a spearphishing attachment.

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/haktuts-coin-master-spins-game-hack In PDF document text
    • http://ordineavvocatitempio.it/images/roblox-avatar-com_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/best-free-hacked-client_GM479516143.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/robux-claimer_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/give-me-free-robux_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/roblox-got-talent-piano-hack_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/how-to-get-20210-robux-for-free_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/roblox-redeem-codes-free_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/minecraft-free-online_GM479516143.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/apps-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/www-coin-master-hack-com_GM406889139.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/free-promo-codes-for-roblox-2021_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/roblox-hack-com_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/free-robux-com-2021_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/hack-para-coin-master-sin-verification_GM406889139.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/how-to-hack-roblox-games_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/download-coin-master-apk-hacked_GM406889139.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/www-robux-redeem_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/robux-hack-me_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_off00004885.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4885 24208 bytes
SHA-256: e297d6cc370177cba754a6dc77b535f9ef32b2e5e6335b344a4e8e5c4c69cd34
font_01_sfnt_off00007f57.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F57 18032 bytes
SHA-256: 2edc1e5dcfc1cbec7c7d12fe70182b6d2b6a9b98aedc5ae1785bec4f7566d2fe

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