Malicious PDF — malware analysis report

Static analysis result for SHA-256 e265797616217206…

MALICIOUS

PDF

46.9 KB Created: 2021-06-08 17:41:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 809f0f22b8655eec1b0966946c463180 SHA-1: 47eda448fa0bbaecd5bc47472efc6cd86b308e49 SHA-256: e265797616217206f09d22e610b5c6d9e24d3c79db94ba0e61f31f56cbe5b820
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains embedded URLs and a visual download button, suggesting a lure to download potentially malicious content. The ML classifier also flagged this PDF with high confidence. The document body's content, though partially corrupted, indicates a theme related to 'hacking' and 'Roblox', likely a social engineering tactic to entice users to click on the embedded links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9769

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/how-to-act-like-a-hacker-on-roblox-game-hack In PDF document text
    • http://www.perpustakaan.unda.ac.id//repository/minecraft-gun-mod-download-free_GM479516143.pdfIn PDF document text
    • http://www.perpustakaan.unda.ac.id/repository/minecraft-server-free-trial_GM479516143.pdfIn PDF document text
    • http://www.perpustakaan.unda.ac.id//repository/free-robux-obby-2021_GM431946152.pdfIn PDF document text
    • http://www.perpustakaan.unda.ac.id/repository/minecraft-realms-free-codes_GM479516143.pdfIn PDF document text
    • http://www.perpustakaan.unda.ac.id/repository/roblox-robux_GM431946152.pdfIn PDF document text
    • http://www.perpustakaan.unda.ac.id/repository/free-robux-thumbnail_GM431946152.pdfIn PDF document text
    • http://www.perpustakaan.unda.ac.id//repository/coin-master-unlimited-spin-link_GM406889139.pdfIn PDF document text
    • http://www.perpustakaan.unda.ac.id/repository/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.perpustakaan.unda.ac.id/repository/roblox-free-online-game_GM431946152.pdfIn PDF document text
    • http://www.perpustakaan.unda.ac.id/repository/coin-master-hack-for-ios_GM406889139.pdfIn PDF document text
    • http://www.perpustakaan.unda.ac.id/repository/get-free-lives-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.perpustakaan.unda.ac.id/repository/how-to-get-free-robux-on-pc_GM431946152.pdfIn PDF document text
    • http://www.perpustakaan.unda.ac.id/repository/coin-master-heaven-daily-free-spins_GM406889139.pdfIn PDF document text
    • http://www.perpustakaan.unda.ac.id//repository/coin-master-free-spins-heaven_GM406889139.pdfIn PDF document text
    • http://www.perpustakaan.unda.ac.id/repository/how-to-hack-coin-master-ios-jailbreak_GM406889139.pdfIn PDF document text
    • http://www.perpustakaan.unda.ac.id/repository/daily-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://www.perpustakaan.unda.ac.id//repository/get-free-robux-gg_GM431946152.pdfIn PDF document text
    • http://www.perpustakaan.unda.ac.id//repository/how-to-cheat-in-roblox_GM431946152.pdfIn PDF document text
    • http://www.perpustakaan.unda.ac.id/repository/free-2021-robux_GM431946152.pdfIn PDF document text
    • http://www.perpustakaan.unda.ac.id/repository/free-robux-2021-no-verification_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 7

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
stream_004_off000050a4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50A4 25248 bytes
SHA-256: f92b8d8958ec217e0c4b7a48e47dade10ed46a6ef3ebe6b63b0d582e20fb3d61
font_01_sfnt_off000089c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89C7 2840 bytes
SHA-256: 3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676
font_02_sfnt_off00009379.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9379 18568 bytes
SHA-256: bc311c45a0d22e91a2cff3223356b72bee7f66eb37f90a6e77057bfe0e355b7e

Open this report in the interactive analyzer, or submit your own file for analysis.