Malicious PDF — malware analysis report

Static analysis result for SHA-256 1343953a470c6041…

MALICIOUS

PDF

45.0 KB Created: 2021-06-03 05:40:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: ed00b5832c391578cb5638757ffc9a81 SHA-1: abe30a5970109cde2a3bfe01168bb9d51ad4cc7b SHA-256: 1343953a470c6041ea9c5428ddf25a7db0f84e0e1fab724553e9c672cb5e942d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a high-confidence heuristic indicating it links to a "game hack" lure, which redirects to other malicious PDF files. The document body and embedded URLs reinforce this, suggesting a phishing or scam attempt to trick users into downloading further malicious content. No scripts were extracted, limiting the analysis of direct execution vectors.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9804

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.online/app/406889139/coin-master-free-soins-game-hack PDF link annotation
    • http://ggmtc.net/userfiles/files/free-robux-codes-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/coin-master-daily-free-spin-app_GM406889139.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/free-robux-mod_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/roblox-free-robux-com_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/how-can-you-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/coin-master-card-collection-hack-2021_GM406889139.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/make-free-robux_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/coin-master-game-free-play-online_GM406889139.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/free-spin-online-tool-coin-master_GM406889139.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/free-coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/coin-master-hack-spins-free_GM406889139.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/earn-robux-online_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/hacks-roblox_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/is-tiktok-app-free_GM835599320.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/roblox-hack-site_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/coin-master-fan-page_GM406889139.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/free-robux-obby-2021_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/how-to-sue-roblox_GM431946152.pdfIn PDF document text
    • http://ggmtc.net/userfiles/files/ways-to-earn-robux_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004c97.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C97 24544 bytes
SHA-256: e32013c9f60c3da8229b8fd82a7de5e659365b36fccf93ee3f99e2129285e033
font_01_sfnt_off0000846f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x846F 2944 bytes
SHA-256: fcfcd28869b8d6c7503d63ed8d48371ec5b580fea2733193e2acbb82b3d30a76
font_02_sfnt_off00008e9a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E9A 17712 bytes
SHA-256: a621fa0cf6ecf429ccb0e9762dad0d1971a2824e8730eca88621f5efe7e14995

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