Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b7ebc9464705ade…

MALICIOUS

PDF

37.2 KB Created: 2021-05-23 11:38:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 2b53b28df07004b29d9e96997db5defc SHA-1: 270e86398ce2057ca3bef14bf9a24996d7801b08 SHA-256: 1b7ebc9464705ade62ba9b3a2174b1221241bd4965379b3b3cca8dab4cadc4b7
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirectors and potentially malicious PDF files, disguised as 'free generators' or 'game hacks'. The document body explicitly contains a call to action to 'CLICK HERE TO ACCESS TIKTOK GENERATOR' and embeds URLs that lead to further malicious content. The presence of embedded URLs and the lure of free items strongly suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7095

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-and-likes-game-hack In PDF document text
    • http://keepcasscountybeautiful.com/images/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • http://keepcasscountybeautiful.com/images/roblox-free-download_GM431946152.pdfIn PDF document text
    • http://keepcasscountybeautiful.com/images/my-roblox-account-was-hacked_GM431946152.pdfIn PDF document text
    • http://keepcasscountybeautiful.com/images/coin-master-free-account_GM406889139.pdfIn PDF document text
    • http://keepcasscountybeautiful.com/images/minecraft-114-4-download-free_GM479516143.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
stream_002_off00002fee.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2FEE 23920 bytes
SHA-256: e730438d490d48b99e1fe9079499e1648c977a8825a2e480cc2cf9c947305642
font_01_sfnt_off0000669d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x669D 3056 bytes
SHA-256: 405cbbc1279d17431d9c49c581f589768770a4a8115ad1c270973ceedfb0d91a
font_02_sfnt_off0000711a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x711A 17868 bytes
SHA-256: 3d92bf9f97e5112d292b407947535e704fb05ee4c3221ca2b39c5e27e22079fe