Malicious PDF — malware analysis report

Static analysis result for SHA-256 b46f981b85a70d9b…

MALICIOUS

PDF

39.1 KB Created: 2021-05-24 01:16:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 95f5493dc61f6290d0ba2c9eca479b58 SHA-1: 75bcb6d6a86453587e00877d54c91ea4a017761c SHA-256: b46f981b85a70d9b2fc76d9ab730e71e6c6295005062d9fbb53ae3ae1e7aec76
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to malicious redirectors disguised as game hacks and generators, such as 'how-to-create-a-minecraft-server-for-free-game-hack'. These links are designed to trick users into visiting potentially harmful websites. The ML classifier also flagged this PDF as malicious, supporting the assessment of a phishing or social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

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/479516143/how-to-create-a-minecraft-server-for-free-game-hack In PDF document text
    • http://uristdona.ru/images/hack-card-collection-coin-master_GM406889139.pdfIn PDF document text
    • http://uristdona.ru/images/get-more-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://uristdona.ru/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://uristdona.ru/images/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://uristdona.ru/images/how-to-hack-someone-on-roblox_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000340f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x340F 25144 bytes
SHA-256: 8e58ffc568092cf5af09c7440532e9b12143ee497198eb5748b91deda6040e2e
font_01_sfnt_off00006d63.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D63 3092 bytes
SHA-256: 3811f2fb1880daf4953efcc9c7427d9b438bced237490b00be4a6ec3ecea79e0
font_02_sfnt_off0000780e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x780E 17988 bytes
SHA-256: 060fb71443e6007603a371ac142d4c0d51e0ba8cefae348522c79638c30c3a2b

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