Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d9e3ada53a7992a…

MALICIOUS

PDF

34.8 KB Created: 2021-06-25 23:13:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 569eb9fedc89d6a9ac0d40401056068a SHA-1: ee34e97110f9bf9a91a31fe48f0c3e9284cf672a SHA-256: 7d9e3ada53a7992a66bf2718f8a3ce943da197f1380c76930d4647991a385364
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs that are designed to lure users into clicking on links related to game hacks and free items for popular games like Roblox and Coin Master. The primary URL, http://netcdn.co/app/431946152/how-to-get-gravity-coil-free-in-any-roblox-game-game-hack, is flagged as a game hack redirector. This suggests the document's purpose is to act as a lure, likely leading users to download malware or engage in phishing activities. No scripts were extracted, but the embedded URLs and the 'game hack redirect' heuristic strongly indicate a malicious intent.

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/how-to-get-gravity-coil-free-in-any-roblox-game-game-hack PDF link annotation
    • http://perpus.poltekeskupang.ac.id/repository/roblox-jailbreak-hack-github_GM431946152.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/how-to-get-back-my-hacked-roblox-account_GM431946152.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/free-minecraft-skins-ps4_GM479516143.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/free-roblox-gift-card-codes-2021-unused_GM431946152.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/free-spins-on-coin-master-link_GM406889139.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/claim-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/roblox-shinobi-life-level-hack_GM431946152.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id//repository/pokemon-go-free-999_GM1094591345.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id//repository/roblox-apocalypse-rising-hack_GM431946152.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id//repository/coin-master-haktuts_GM406889139.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/jump-cheat-wearedevs-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/coin-master-hack-apk-download-for-android-mobile_GM406889139.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/earn-free-robux-no-survey_GM431946152.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id//repository/coin-master-game-free-spin_GM406889139.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/roblox-redeem-code-free_GM431946152.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id//repository/pokemon-go-free-bot_GM1094591345.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id//repository/daily-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id//repository/free-coins-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id//repository/roblox-troll-outfits-free_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_off00002fea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FEA 22320 bytes
SHA-256: 6dc4ce0ea0ba701a1e8e5b5dc3470d7f344de505c5ac45d8f61bca53ef812e0d
font_01_sfnt_off00006185.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6185 19592 bytes
SHA-256: 9f8610d34038498791d62901478121c4201ac666d5e7ee499765a5ddb7727a4d

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