Malicious PDF — malware analysis report

Static analysis result for SHA-256 2bfcec14622bf284…

MALICIOUS

PDF

34.6 KB Created: 2021-06-17 20:36:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 99e3ee6219ab5161f9cbb33c6c566947 SHA-1: 67ce1f51835bf356a42c7a0d4bda3689b8be04e4 SHA-256: 2bfcec14622bf284a91a498f2bd6b5812b15aecd7203990ae42512d493c50a4b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded links that redirect to malicious infrastructure, specifically targeting users interested in game hacks and free currency for games like Roblox and Coin Master. The primary lure is a 'free generator / game hack' promising April Fools' Day cheats for Roblox. This indicates a phishing or scam attempt designed to lead users to potentially harmful websites.

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/april-fools-hack-of-2021-roblox-wiki-game-hack In PDF document text
    • http://digilib.iailm.ac.id//repository/inappropriate-roblox-games-2021_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/how-to-get-minecraft-for-free-on-nintendo-switch_GM479516143.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/minecraft-java-edition-free-download-for-android_GM479516143.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/roblox-hacks-2021_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/best-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/free-robux-that-actually-works-2021_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/blox-fish-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/rare-free-links-to-coin-master_GM406889139.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/pubg-uc-zong_GM1330123889.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/www-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/coin-master-money-hack_GM406889139.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/how-to-get-free-roebucks-in-roblox_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/roblox-login-hack_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/free-spin-online-tool-coin-master_GM406889139.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/rbxdemon_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/how-to-hack-a-roblox-account-easy_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/free-roblox-avatar-ideas_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/how-to-hack-a-roblox-account-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_off00002ee7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EE7 22228 bytes
SHA-256: 90364280cf3d2c322418c19bc4ba48196983974dbdcf44012602e642191a0714
font_01_sfnt_off0000602c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x602C 19716 bytes
SHA-256: 4c36fc1df820c55267f2185fa230868ba5ba8567bfc97d9a494c0c099f72d06e