Malicious PDF — malware analysis report

Static analysis result for SHA-256 6db06470de06cb3e…

MALICIOUS

PDF

46.2 KB Created: 2021-06-11 05:52:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: eabb306965769271bce1c5e1884e5a4c SHA-1: 4e58ffaef7803413941c31decb068314c8c4fcec SHA-256: 6db06470de06cb3ea6fce1a070dceb0107197e4f926c721ba8c11f46442e42cd
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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 https://netcdn.tw/app/431946152/hack-script-roblox-tuto-game-hack PDF link annotation
    • http://www.travelone.ae/userfiles/files/coin-master-free-spins-link-app-download_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/coin-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/pubg-uc-on-daraz_GM1330123889.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/how-to-download-minecraft-for-free-ios_GM479516143.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/robux-fun-hack_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/free-minecraft-account-list_GM479516143.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/how-to-install-minecraft-for-free-on-ios_GM479516143.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/give-me-robux-now_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/free-spins-coin-master-links-app_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/get-free-cards-in-coin-master_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/aimbot-download-roblox_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/tiktok-followers-generator-free_GM835599320.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/free-free-robux_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/free-coins-coin-master-ios_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/coin-master-deals_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/free-tiktok-video_GM835599320.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/how-do-you-hack-minecraft_GM479516143.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/how-to-hack-and-get-free-robux_GM431946152.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_004_off000050c6.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50C6 28240 bytes
SHA-256: 9f043788c2c09d79e03a53ddef0a8e232aeb54c5b335cf351c606e9d89258d9a
font_01_sfnt_off00009092.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9092 18724 bytes
SHA-256: 146065ad21415f570aaac5d0b2c12322aac34684a05e25e8222688be705932d3

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