Malicious PDF — malware analysis report

Static analysis result for SHA-256 bae898b92c807e07…

MALICIOUS

PDF

34.7 KB Created: 2021-07-05 16:14:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4e4a96b70ab81781019adceb2f6fd3eb SHA-1: 15a7a5aa0b046398ac975550ea1e19abc18f641b SHA-256: bae898b92c807e07432c032c850e480536fc596a5e8d86d89352b917d41f41c8
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of game hacks and generators to trick users into clicking malicious links. The primary link directs to a known malicious redirector infrastructure, which in turn hosts other malicious PDF files. The ML classifier strongly supports the malicious nature of this document, indicating a high likelihood of a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/431946152/how-to-take-someones-group-on-roblox-hack-game-hack In PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/cheats-for-roblox-saiyan-simulator-2_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/coin-master-hack-xyz_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/script-executor-roblox-free_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/cheat-roblox-lumber-tycoon-2-uang_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/coin-master-game-hack-version-download_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/games-you-can-play-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/free-robux-shirts-images_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/coin-master-game-hack-app_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/gold-cards-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/archery-master-3d-unlimited-coins-hack_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/free-minecraft-accounts-reddit_GM479516143.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/free-robux-read-desc_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/earn-robux-today_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/minecraft-java-hacks_GM479516143.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/roblox-jailbreak-free-radio_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/april-fools-day-2021-hack-roblox_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/how-to-hack-a-minecraft-server-and-make-yourself-op_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
font_00_sfnt_off00002f25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F25 22508 bytes
SHA-256: f4437aeda70e036b74bedbd57a15bad395e5b53d57b20ff5d32143c52266b238
font_01_sfnt_off00006174.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6174 19396 bytes
SHA-256: 139c57aab7c576b2eaf90afb5178daff0676023195976bc36c0d1ac5cb489e80

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