Malicious PDF — malware analysis report

Static analysis result for SHA-256 ade11e55b154fa64…

MALICIOUS

PDF

42.3 KB Created: 2021-04-27 23:31:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 7b90fbbeec1b6adba8d397a068e465f6 SHA-1: bc0567223fad24eccbdd959698a5dd0b215dc0dd SHA-256: ade11e55b154fa640f84661766b290ec2416cc47c17d0c9291e5e3d21babb250
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to external websites, including a critical redirector identified as malicious. The document body and heuristics indicate a lure related to game hacks and free rewards, designed to entice users to click on these links. The primary malicious URL is https://netcdn.xyz/app/431946152/oneapprewards-com-roblox-hack-robux-picker-sessid-4s45w24-game-hack, which is likely used to deliver a second-stage payload or phish for credentials.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

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.xyz/app/431946152/oneapprewards-com-roblox-hack-robux-picker-sessid-4s45w24-game-hack In PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-enter-roblox-cheat-codes.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-add-roblox-badge-for-free.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-get-free-robux-in-roblox-on-iphone.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/abs-t-shirt-roblox-free.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/dragon-ball-x-in-roblox-hack.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/mad-city-script-roblox-download-free.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/clothing-advertisement-roblox-template-free.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/cute-animal-outfits-roblox-free.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/hacking-into-my-brothers-roblox-account.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-neon-blue-tie-roblox.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
stream_003_off00004176.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4176 27084 bytes
SHA-256: 2f16fd7bcb849b78288eb3353b7fc7aa8fa1abe50022fc624a1e9d31bd1ce337
font_01_sfnt_off00007f6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F6D 19692 bytes
SHA-256: 4b4568a275c187f0984be10c861ce6dc122f06da5f50617ff975a884887b9c60