Malicious PDF — malware analysis report

Static analysis result for SHA-256 220b3d649c2c1eb6…

MALICIOUS

PDF

35.8 KB Created: 2021-05-23 03:05:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 68168d6cce1700af6942c17901256a2d SHA-1: a52324947fd7b253a70ea558a4dfa386a5bcf9e3 SHA-256: 220b3d649c2c1eb62034604af186c470f7845067271eaeb43c2d26e3954175de
160 Risk Score

Malware Insights

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

The PDF contains a lure for free TikTok likes and game hacks, directing users to a known malicious redirector. The document body and embedded links suggest a social engineering tactic to drive traffic to potentially malicious sites. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate a malicious redirector is being used to deliver a payload or lead the user to a phishing or scam page.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9508

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-likes-no-human-verification-or-download-game-hack In PDF document text
    • https://me.itk.ac.id/asset/backend/upload/ckeditor/files/minecraft-pe-apk-free-download_GM479516143.pdfIn PDF document text
    • https://me.itk.ac.id/asset/backend/upload/ckeditor/files/hackear-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://me.itk.ac.id/asset/backend/upload/ckeditor/files/free-robux-no-downloading-apps_GM431946152.pdfIn PDF document text
    • https://me.itk.ac.id/asset/backend/upload/ckeditor/files/adopt-me-roblox-hacks_GM431946152.pdfIn PDF document text
    • https://me.itk.ac.id/asset/backend/upload/ckeditor/files/coin-master-free-account_GM406889139.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_off00003271.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3271 23844 bytes
SHA-256: bf2dabb2b5f29ab21e33fab7ef7b2f522455058ebfeff26959a64a7d3ac18b11
font_01_sfnt_off000068ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68CE 18796 bytes
SHA-256: 3d40c2c610592f010e994df70d6dca89d92a7e9c48723e1cae8d3a563b12c301

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