Malicious PDF — malware analysis report

Static analysis result for SHA-256 a302c91098bef2db…

MALICIOUS

PDF

33.7 KB Created: 2021-06-19 00:20:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c336a0d93860018d26950ba5910c66c2 SHA-1: 6d471759d29bafff3ee46a07925be45e7be95493 SHA-256: a302c91098bef2dbd44c447102313080637787ca562efd25dff37f106e85e03d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting 'free generator / game hack' lures. The ML classifier also flagged this PDF as malicious. The embedded links are designed to trick users into visiting potentially harmful sites, likely for credential harvesting or further malware delivery.

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/are-robux-hacks-real-game-hack In PDF document text
    • http://perpus.ar-rum.ac.id/repository/hack-alle-pets-duplizieren-ninja-legends-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/roblox-apocalypse-rising-2-cheats_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/minecraft-xbox-360-free_GM479516143.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/free-roblox-clothes-girl_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/free-robux-groups-2021_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/free-robux-easy_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/roblox-robux-hack_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/games-like-coin-master-for-free_GM406889139.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/free-robux-today_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/roblox-hacked-version-download_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/free-coin-master-spin-app_GM406889139.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/cheat-legand-of-speed-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/como-ser-hacker-en-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/how-do-i-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/how-to-get-free-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/inappropriate-roblox-hacks-download_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_off0000301a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x301A 21444 bytes
SHA-256: 709d4c01f28a1e80975479b44f9a489047f1e48c1d53967ddd673c82ed7708cc
font_01_sfnt_off00005f1b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F1B 18796 bytes
SHA-256: aef5dac281bbdeb200e15f103f71cbed828f1f533030979359fa8cca0dece647

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