Malicious PDF — malware analysis report

Static analysis result for SHA-256 e53677e65231eb57…

MALICIOUS

PDF

34.7 KB Created: 2021-06-20 05:13:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-16
MD5: 17a863bfa8ffe778896b68fc49271e76 SHA-1: 4357900ff5f1f4b2c37f52bcb6480f9e8f547eed SHA-256: e53677e65231eb57764d84d38041981eb0ac476ea356a3fca8852bbc6bc741e1
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links designed to lure users into clicking on them by promising game hacks and generators. The primary link, http://netcdn.co/app/431946152/roblox-free-teleporter-game-hack, is identified as a malicious redirector. The document body and embedded URLs reinforce this lure, indicating a phishing or scam attempt to direct users to potentially harmful websites.

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.co/app/431946152/roblox-free-teleporter-game-hack In PDF document text
    • http://stikespantirapih.ac.id/home/repository/free-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/comment-hacker-jailbreak-sur-roblox-2021_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/free-united-nations-siterobloxcomgames_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/get-free-obc-roblox_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/minecraft-pvp-hacks_GM479516143.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/roblox-hack-2021_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/youtube-inquisitormaster-free-robux_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/free-2021-robux_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/free-spin-link-coin-master_GM406889139.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/coin-master-hacks-no-downloading_GM406889139.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/free-robux-no-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/wurst-client-download_GM479516143.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/easy-way-to-get-robux_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/free-robux-for-kids_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/what-is-the-speed-hack-code-on-roblox_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/prisonbreaker-v15-hack-script-roblox-pastebin_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/robux-come_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/robux-game-com_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/what-games-on-roblox-give-you-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
font_00_sfnt_off00002ff5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FF5 22788 bytes
SHA-256: 6f1f52bb1f13c63c5defdf11af5e19a4c9f21b221ca76612deaf665a4c99d028
font_01_sfnt_off000062ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62AB 18932 bytes
SHA-256: c155c4af1715442f5fd3f20e30adeabc91bed42f8cb8277f20c090d038feb6f1

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