Malicious PDF — malware analysis report

Static analysis result for SHA-256 35609c712db8d9eb…

MALICIOUS

PDF

34.2 KB Created: 2021-07-03 13:33:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 997c5b19d4ddeeea6dde4eb563751102 SHA-1: ef47e2b4376c9f45b906a3a4439e645d80d13616 SHA-256: 35609c712db8d9eb6d6674cde2aed3e7b125edaaa58c2543666fcb6075e01f7a
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for game hacks and free spins, directing users to a suspicious URL. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a phishing or redirection attempt. The primary malicious URL identified is http://netcdn.tw/app/406889139/haktuts-coin-master-free-daily-spins-game-hack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/406889139/haktuts-coin-master-free-daily-spins-game-hack PDF link annotation
    • http://gts.edu.gh/library/repository/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/free-roblox-hair-to-wear_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/fb-coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/minecraft-pe-free-apk_GM479516143.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/free-robux-guuudinfo_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/combo-free-roblox-site-v3rmillionnet_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/no-robux_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/free-roblox-account-with-obc-lifetime-2021_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/how-to-hack-with-cheat-engine-64-on-roblox_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/free-robux-com-roblox_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/minecraft-toolbox-premium-apk_GM479516143.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/roblox-people-girl_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/robux-earner_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/coin-master-hack-pc-free_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/free-texture-packs-for-minecraft-pe_GM479516143.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/minecraft-bedrock-edition-pc-download-free_GM479516143.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/how-to-hack-coin-master-without-root_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/has-momo-hack-roblox_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/free-minecraft-shaders_GM479516143.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/minecraft-cracked-client_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_off00002db9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2DB9 22920 bytes
SHA-256: 42716b1a43abe05664604fff0c4e5cc6612ec9824be45c418d60fd71bd8077fb
font_01_sfnt_off0000611a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x611A 18904 bytes
SHA-256: b7f24531c88ef09d261a29b7b412295c42d9b915df36cfe91f545608b0580658

Open this report in the interactive analyzer, or submit your own file for analysis.