Malicious PDF — malware analysis report

Static analysis result for SHA-256 74cc6389ac70c024…

MALICIOUS

PDF

33.8 KB Created: 2021-07-03 20:22:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 5c2b6ccca6da2b15865553ea7a53847e SHA-1: 6cc4460c975815dd574829c340c315f2fe02a621 SHA-256: 74cc6389ac70c02468862183e8601086020999f7cdc94df27b55e2d2f4db7d95
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 what appears to be a free generator or game hack. The primary link, http://netcdn.tw/app/406889139/gamehunters-club-coin-master-game-hack, is identified as a malicious redirector. The document body and embedded URLs suggest a scam related to in-game currency or items, likely leading to further phishing or malware downloads.

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/406889139/gamehunters-club-coin-master-game-hack In PDF document text
    • http://global-brand.net/userfiles/files/how-to-get-free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://global-brand.net/userfiles/files/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://global-brand.net/userfiles/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://global-brand.net/userfiles/files/free-minecraft-videos_GM479516143.pdfIn PDF document text
    • http://global-brand.net/userfiles/files/free-robux-generator-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://global-brand.net/userfiles/files/minecraft-mojang-free_GM479516143.pdfIn PDF document text
    • http://global-brand.net/userfiles/files/rbx-robux_GM431946152.pdfIn PDF document text
    • http://global-brand.net/userfiles/files/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://global-brand.net/userfiles/files/free-robux-no-server_GM431946152.pdfIn PDF document text
    • http://global-brand.net/userfiles/files/free-spins_GM406889139.pdfIn PDF document text
    • http://global-brand.net/userfiles/files/how-to-get-robux_GM431946152.pdfIn PDF document text
    • http://global-brand.net/userfiles/files/robux-generators-that-actually-work_GM431946152.pdfIn PDF document text
    • http://global-brand.net/userfiles/files/free-spin-coin-master-game_GM406889139.pdfIn PDF document text
    • http://global-brand.net/userfiles/files/ghow-t-hack-shard-sekeer-roblox_GM431946152.pdfIn PDF document text
    • http://global-brand.net/userfiles/files/minecraft-free-online_GM479516143.pdfIn PDF document text
    • http://global-brand.net/userfiles/files/new-code-free-robux_GM431946152.pdfIn PDF document text
    • http://global-brand.net/userfiles/files/coin-master-free-coins_GM406889139.pdfIn PDF document text
    • http://global-brand.net/userfiles/files/hacker-robux-free_GM431946152.pdfIn PDF document text
    • http://global-brand.net/userfiles/files/how-to-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://global-brand.net/userfiles/files/how-to-get-robux-and-builders-club-for-free_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002fc6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FC6 22156 bytes
SHA-256: a99032cffdaaff69bb26b8736726a5124f775670a9aea02fa281be30737abca9
font_01_sfnt_off000060b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60B1 18632 bytes
SHA-256: 30b5ac21c6a93ecf49da73b5010e4d04aa7628586d8166660ea0a2d873e7b76c

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