Malicious PDF — malware analysis report

Static analysis result for SHA-256 75252f9d4f14cdaa…

MALICIOUS

PDF

36.1 KB Created: 2021-05-22 04:04:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8bd36face4e1f0ea3741de782c0054bb SHA-1: c4a6524c887d87ba66b828114fafb5824c5cb6b0 SHA-256: 75252f9d4f14cdaafa4a80236a11ad1e957030e1d94897be2acc832c228ab02a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains embedded links that redirect to known malicious infrastructure, specifically a site offering 'free TikTok fans' and 'game hacks'. The document body and heuristics indicate a lure to trick users into clicking these links, likely to download a secondary payload or lead them to a phishing site. No scripts were extracted, but the PDF structure and embedded URLs strongly suggest a malicious redirection workflow.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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/835599320/free-tiktok-fans-no-verification-game-hack In PDF document text
    • http://jakthund.org/images/coin-master-coin-link_GM406889139.pdfIn PDF document text
    • http://jakthund.org/images/minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
    • http://jakthund.org/images/moonactive-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://jakthund.org/images/roblox-pink-free-robux_GM431946152.pdfIn PDF document text
    • http://jakthund.org/images/free-spins-coin-master-app-iphone_GM406889139.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_002_off00003540.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3540 24336 bytes
SHA-256: 8f08d60ce924928093196fda0ea95dfc430c85c41a5f40189b47cc42fdbae5db
font_01_sfnt_off00006d2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D2A 17816 bytes
SHA-256: db30cff21771a834018d301e3e15668d4f696dd14c251b75c79f93eed26cd5f9

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