Malicious PDF — malware analysis report

Static analysis result for SHA-256 65724d3118c2b3e0…

MALICIOUS

PDF

35.8 KB Created: 2021-06-30 02:50:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4f3caa3e825f4478979eea45e7169ddf SHA-1: 2ee0fcc71038c4a233e23d7475f1b660da96e853 SHA-256: 65724d3118c2b3e09c2b510cfbba544a97bc3e19c7e9fe51fd25ec4a0f371e6c
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to known malicious infrastructure, specifically advertising game hacks and generators. The primary lure appears to be related to Roblox, with the main redirector URL being http://netcdn.co/app/431946152/roblox-chat-cheats-on-rocitizens-game-hack. No scripts were extracted, but the heuristic firings strongly indicate a phishing or social engineering attack aimed at driving traffic to malicious sites.

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/roblox-chat-cheats-on-rocitizens-game-hack In PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/cheat-engine-roblox-speed-hack-code_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/free-overalls-roblox_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/how-to-host-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/free-geaar-roblox_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/rape-simulator_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/all-roblox-games-you-can-hack-with-proxox_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/roblox-zone-free-robux_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/free-safe-roblox-injector_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/speed-hack-on-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/get-free-shirts-roblox_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/roblox-cheats-uhrzeit-ndern_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/coin-master-hack-without-verification-2021_GM406889139.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/new-hack-for-roblox-deathrun-2021-pc-download_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/roblox-link-hack_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/but-lynk-said-free-robux_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/how-to-get-free-robux-on-roblox-android_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/hack-emote-dance-roblox_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/how-to-become-famous-on-tiktok-free_GM835599320.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/roblox-free-animations-ninja_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
stream_002_off00003109.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3109 23732 bytes
SHA-256: 92899b727aed7757f4fe4716cbed9db99ec7f02154d141cc6507c2603774b411
font_01_sfnt_off00006719.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6719 18956 bytes
SHA-256: ddae8fe88a76c6d78fc1d50b226d04ec5fe8b96f2e13402bb8ad70d5c4efb0cb

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