Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2888f1565ec3621…

MALICIOUS

PDF

34.6 KB Created: 2021-05-22 13:12:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 355d9725ae171475e78d9d040a3f8bd5 SHA-1: da7ea9c591c7db238e118df5a5a28a6949f0779a SHA-256: e2888f1565ec36218b5c3f85877bc75acb115588798286f2743a93cd2ab39e5f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links pointing to known malicious redirectors, disguised as 'free generator' or 'game hack' lures. The document body explicitly mentions 'Free Views On Tiktok' and 'CLICK HERE TO ACCESS TIKTOK GENERATOR', reinforcing the social engineering aspect. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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-views-on-tiktok-game-hack In PDF document text
    • http://giolantapepe.gr/images/free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://giolantapepe.gr/images/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdfIn PDF document text
    • http://giolantapepe.gr/images/how-to-get-800-robux-for-free_GM431946152.pdfIn PDF document text
    • http://giolantapepe.gr/images/free-roblox-codes_GM431946152.pdfIn PDF document text
    • http://giolantapepe.gr/images/play-minecraft-for-free-on-pc_GM479516143.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_off00002faf.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2FAF 24284 bytes
SHA-256: 679fc00a9d9ea3d9b7a6d0ee95d66eb2164e303efbd4a95431c38675e7d02965
font_01_sfnt_off00006712.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6712 17752 bytes
SHA-256: 0bba4198fd0ca9d20010dde6368f831223727c1fd110b32f8bd9ae0070f69573

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