Malicious PDF — malware analysis report

Static analysis result for SHA-256 a067964832a55cb1…

MALICIOUS

PDF

34.6 KB Created: 2021-06-27 13:17:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: bb8bb7c994c1b784147a6695de138b19 SHA-1: 105ad95986089682db64503b095808f77fe50ce9 SHA-256: a067964832a55cb1780ce430d140b3577d3137aef1aa3c3c0878f51906f022aa
82 Risk Score

Malware Insights

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

The PDF document contains numerous embedded URLs that lure users with promises of game hacks and free in-game currency for popular games like Roblox and Minecraft. The primary URL, http://netcdn.co/app/431946152/roblox-jailbreak-hack-gameplay-game-hack, is flagged as a game hack redirector. This suggests the document's purpose is to trick users into visiting malicious sites that likely host malware or phishing content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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-jailbreak-hack-gameplay-game-hack PDF link annotation
    • http://www.pspmrsmmbk.com/cendana/repository/roblox-working-robux-hack_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/free-robux-gift-card-codes-generator_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/freespinandcoin_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/roblox-free-boombox-games_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/2021-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/free-minecraft-mods_GM479516143.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/minecraft-dungeons-free-download-pc_GM479516143.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/free-pet-food-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/classic-minecraft-net-hacks_GM479516143.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/roblox-bux-free_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/ho-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/get-free-spins-on-coin-master-links_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/free-spins-and-coins-coin-master-links_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/get-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/free-spin-link-coin-master-today_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/free-back-accessories-roblox_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/coin-master-offline-hack_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/how-to-get-free-robux-2021-november_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/roblox-free-clothes-download_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/roblox-free-gamepass-script-pastebin_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_off0000304f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x304F 21928 bytes
SHA-256: ae2b89d5f0dc791c1f05e91635fd61cb0396f6ed0537f0f3d7074be3be46b7be
font_01_sfnt_off0000609a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x609A 19556 bytes
SHA-256: 187eb9c5b6f9cbc7209eef3f19d89491de7e009392b6d08c70a53d4089f1093b

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