Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f8e4c9b16e31dd2…

MALICIOUS

PDF

34.1 KB Created: 2021-05-22 12:37:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 64f3cac397fee6bba070d91ce39fd445 SHA-1: aa43ca0c085fc63f94d845553095ffb1c8aa3299 SHA-256: 9f8e4c9b16e31dd206f2dbf2513ddb32d8646927269052a8a76b98fddfcaaebf
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links that redirect to malicious infrastructure, masquerading as game hacks or generators. The document body explicitly contains phrases like 'CLICK HERE TO ACCESS TIKTOK GENERATOR', indicating a social engineering lure. The presence of embedded URLs and the ML classifier's high confidence score support this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9505

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/is-tiktok-free-game-hack In PDF document text
    • https://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/roblox-hack-app_GM431946152.pdfIn PDF document text
    • https://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/robux-generator-without-verification_GM431946152.pdfIn PDF document text
    • https://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/free-robux-com_GM431946152.pdfIn PDF document text
    • https://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/free-robux-codes-generator_GM431946152.pdfIn PDF document text
    • https://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/free-op-minecraft-servers_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_off00003025.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3025 24036 bytes
SHA-256: 7752c53078dcba444a9948b3fb399994506315458cf8a85b58624a27bcfa3e07
font_01_sfnt_off00006645.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6645 17456 bytes
SHA-256: 9ac98d03116b0178d2440c8519b51994e916559904e102c6f95e7069a9c516c8