Malicious PDF — malware analysis report

Static analysis result for SHA-256 47ab444c035fd7f9…

MALICIOUS

PDF

35.0 KB Created: 2021-06-29 10:42:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f4becc8c805a3101495cb920c31e8bcb SHA-1: 58357fb41c5fd3ff0fe22a3ffea0e70aafb300ba SHA-256: 47ab444c035fd7f947b85d050af479bce6817782b88aadd7a4441c5e043f4d32
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, disguised as 'game hacks' and 'free generators'. The primary lure, 'How To Play Roblox For Free On Xbox One', directs users to the URL http://netcdn.co/app/431946152/how-to-play-roblox-for-free-on-xbox-one-game-hack, which is flagged as malicious. The document body and heuristics indicate a social engineering tactic to trick users into visiting these malicious sites, likely for further exploitation or credential harvesting.

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.co/app/431946152/how-to-play-roblox-for-free-on-xbox-one-game-hack In PDF document text
    • http://perpustakaan.ipts.ac.id/repository/change-roblox-username-for-free-android_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/can-someone-hack-you-if-you-sent-message-on-roblox_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/how-to-get-free-admin-commands-in-any-roblox-game_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/free-roblox-jailbreak-scipts_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/roblox-dungeon-quest-cheats_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/how-to-get-to-village-3-in-coin-master_GM406889139.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/minecraft-story-mode-free_GM479516143.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/best-free-robux-sites_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/best-roblox-avatars-free_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/mac-roblox-cheat-engine_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/easy-free-robux-from-roblox_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/minecraft-java-free-account_GM479516143.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/coinmaster-twitter_GM406889139.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/how-to-open-cheat-engine-in-roblox-2021_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/roblox-toy-codes-free_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/coin-master-free-spins-ios_GM406889139.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/free-robux-no-verification-no-survey-no-download_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/how-to-get-free-robux-without-verification-2021_GM431946152.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
font_00_sfnt_off0000316b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x316B 22400 bytes
SHA-256: 0d58d2ba4b0a52c2de8e832c865eb86ce3efeea3145fa6e1e906ba271a5dbec3
font_01_sfnt_off00006359.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6359 19148 bytes
SHA-256: b9b13e47426f606710d0caf9402aca3a4471f19947b22df6a7e281ce844e1a34