Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6eedfebcb7a2ca9…

MALICIOUS

PDF

35.4 KB Created: 2021-05-21 06:41:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0f6d5b5383793478d54396425806a83c SHA-1: a9bfc185ccac0a2bfb71aa1edc2e022661974bf8 SHA-256: e6eedfebcb7a2ca912cbc164744c8f5f0cadac384538ac034ee5827490ebf517
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links and a call-to-action phrase designed to trick the user into clicking a URL that leads to a malicious redirector. The primary link, 'https://netcdn.xyz/app/835599320/free-tiktok-followers-2021-game-hack', is flagged as malicious and part of a redirector infrastructure. This suggests the document is a lure for downloading further malware or engaging in phishing.

Machine Learning

  • Nyx PDF Classifier clean score 0.0077

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-followers-2021-game-hack In 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
stream_002_off000027ed.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x27ED 24432 bytes
SHA-256: 40b23a719a65b51dd1ec707e1a4335bd11988090d4ce35854d15cf8e1c7a4204
font_01_sfnt_off00005f67.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F67 2940 bytes
SHA-256: eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a
font_02_sfnt_off00006977.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6977 18096 bytes
SHA-256: aa1c8b9cec14280fbe8557301cb8e2f9d9f741db4943478c467b5ad1c02a9be6

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