Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6be53c6788767ff…

MALICIOUS

PDF

20.3 KB Created: 2021-05-22 18:51:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a077967955ec0207e88e1670f655e30f SHA-1: bf673188f5247022ca94ca0816c254cfd8f4361c SHA-256: a6be53c6788767ff7ec635796069dbe6ae87134ef957d523e8d778791ae4d3d0
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, including one identified as a known malicious redirector infrastructure. The document body text and heuristics indicate a lure for 'free generators' or 'game hacks', specifically mentioning TikTok. The primary malicious URL is https://netcdn.xyz/app/835599320/tiktok-likes-free-game-hack, which is likely intended to lead the user to a phishing or malware download site. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9353

Heuristics 3

  • 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.
  • 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/tiktok-likes-free-game-hack In PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/free-coin-and-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/minecraft-java-edition-redeem-code-free-2021_GM479516143.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/free-roblox-accounts-with-robux-that-work-not-banned-2021_GM431946152.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/minecraft-menu_GM479516143.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/free-roblox-adopt-me-pets_GM431946152.pdfIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00002f01.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2F01 12332 bytes
SHA-256: 94cdd0c59886f74dcbb228b2910c62074a2ea582977203947996ed852e0249f5

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