Malicious PDF — malware analysis report

Static analysis result for SHA-256 096bca91e61fa886…

MALICIOUS

PDF

35.6 KB Created: 2021-06-27 23:30:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 71e4d5135cf68809e7f12531a012c2ad SHA-1: 77fc85d62645f91ec8c926e67fe6a041ef63dae2 SHA-256: 096bca91e61fa8863896c5ff9df8e6ddad530b8071e0a864cd2b13485f97f303
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains multiple links that redirect to malicious infrastructure, specifically advertising game hacks and free currency for games like Roblox and Coin Master. The primary lure is the promise of 'free generators' and 'script hacks', which is a common social engineering tactic to entice users into clicking malicious links. The ML classifier also strongly indicated maliciousness.

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-vehicle-simulator-script-hack-game-hack In PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/roblox-free-robux-password-required_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/how-to-get-any-car-free-in-jailbrake-roblox_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/free-robux-generator-no-human-verification-no-survey-or-offers_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/legit-coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/coin-master-exchange-40-free-spins_GM406889139.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/free-robux-live_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/free-robux-lice_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/minecraft-gun-games-free_GM479516143.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/how-to-make-a-hacker-game-in-roblox_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/how-to-get-free-food-for-foxy-in-coin-master_GM406889139.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/minecraft-bedrock-free-download-pc_GM479516143.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/how-to-hack-roblox-june-2021_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/https-rbx-place-rewards_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/minecraft-complete-handbook_GM479516143.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/coin-master-hack-without-root_GM406889139.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/free-roblox-accounts-with-bubble-gum-simulator-good-pets_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/coin-master-free-spin-link-app_GM406889139.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/free-spins-coin-master-october-13-2021_GM406889139.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/how-to-hack-roblox-2021-xbox-one_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_off000031f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31F6 22524 bytes
SHA-256: f1b2bdcb1a39e8778894bc4ffe5dc4c4ac1d27c65149fa7a731a81dcce9012f8
font_01_sfnt_off0000642d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x642D 19756 bytes
SHA-256: bc02d5e89db9b3edf7d456db73e826665cdf31979341b346ee3c155e30352c68