Malicious PDF — malware analysis report

Static analysis result for SHA-256 3698481e262eb348…

MALICIOUS

PDF

36.2 KB Created: 2021-05-23 05:34:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: af9b26727fb6fc484662760ce5a98fd8 SHA-1: 270fc51150da097a9ffdaeba1841c23f0a35d0b2 SHA-256: 3698481e262eb348039e723a4059bec273439744a61b5d28251d8a42f6d67b3f
160 Risk Score

Malware Insights

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

The PDF contains multiple links designed to lure users into clicking on what appears to be a game hack or generator. These links redirect to malicious infrastructure, which in turn hosts further PDF lures. The ML classifier also flagged this PDF as malicious, supporting the observed redirection behavior.

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/479516143/minecraft-free-unblocked-game-hack In PDF document text
    • https://travelsurabayajogja.com/ckfinder/userfiles/files/roblox-getting-hacked_GM431946152.pdfIn PDF document text
    • https://travelsurabayajogja.com/ckfinder/userfiles/files/free-roblox-pin-codes_GM431946152.pdfIn PDF document text
    • https://travelsurabayajogja.com/ckfinder/userfiles/files/coin-master-hack-apk_GM406889139.pdfIn PDF document text
    • https://travelsurabayajogja.com/ckfinder/userfiles/files/coin-master-hack-app-ios_GM406889139.pdfIn PDF document text
    • https://travelsurabayajogja.com/ckfinder/userfiles/files/minecraft-mobile-free_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_off000032e9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32E9 25128 bytes
SHA-256: d794cbf5a714b52c6275af21303ca885a0b3423ea2b3ce72330ddfeadb02e1db
font_01_sfnt_off00006bb1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BB1 18472 bytes
SHA-256: 4446ec9a14b3bfac30f066e0e962bc7f96b5cea98edad6ed93b9652aaf8297cb

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