Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fe64d0e26145ab6…

MALICIOUS

PDF

44.9 KB Created: 2021-06-11 06:23:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: dd6790a101d3bcdf15d4762af800431b SHA-1: a72d5513e98e836c3c6d82ffc840a6493dc277ad SHA-256: 2fe64d0e26145ab647cca340bf0f89835ccec637a0095b3388f4a253486f61f7
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link disguised as a 'free generator / game hack' lure, which is a common tactic for phishing or malware distribution. The embedded URL, https://netcdn.tw/app/431946152/make-roblox-shirt-free-game-hack, is identified as a malicious redirector. While no scripts were explicitly extracted, the PDF structure and heuristics indicate a malicious redirector is being used to likely lead the user to a malicious site or download a payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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 https://netcdn.tw/app/431946152/make-roblox-shirt-free-game-hack In PDF document text
    • https://xiangquan.com.tw/image/data/files/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/how-to-get-coin-master-card-free_GM406889139.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/websites-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/free-role-in-coin-master_GM406889139.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/wurst-hacked-client-112-2_GM479516143.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/coinmasterfree_GM406889139.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/how-to-get-free-robux-without-surveys_GM431946152.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/free-minecraft-java-server_GM479516143.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/roblox-avatar-free_GM431946152.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/how-to-get-minecraft-pe-for-free_GM479516143.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/today-coin-master-free-coins-link_GM406889139.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/minecraft-hacked-client-bedrock_GM479516143.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/free-robux-not-fake_GM431946152.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/coin-master-spin-cheat_GM406889139.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/how-to-play-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/descargar-coin-master-hackeado_GM406889139.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/try-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/moon-active_GM406889139.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
stream_004_off000050a8.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50A8 25836 bytes
SHA-256: 81d9f1f4cbf160774d83c653a33b07d6ccbb20cd8bf1a9fd0a66a442ba38b009
font_01_sfnt_off00008afe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8AFE 18932 bytes
SHA-256: 393db393c439d0bdfafb5e81de97bb307522b3ece555feeee1ab1583e4a7e70c

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