Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2f6d676033f8486…

MALICIOUS

PDF

34.9 KB Created: 2021-06-25 10:47:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 52fa13c3eae19001d784a4c630641b5e SHA-1: ab16b2b5bcc7727dfaffe8097c4d1af90338f305 SHA-256: e2f6d676033f848693a3ff2fbc33744acc7b2482ec7420d27158253f74797b3a
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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/free-blue-hair-in-roblox-game-hack PDF link annotation
    • http://mtsn-baranti.com/perpus/repository/build-battle-roblox-hack_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-robux-come_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/custom-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/how-to-get-a-free-2021-roblox-acc_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/eletric-state-roblox-fast-money-and-free-money-hack_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/cool-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/nezi-plays-roblox-building-hacks_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/dantdm-com-free-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-daily-free-spins-link-today-twitter_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-ninja-warrior-hack_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/minecraft-windows-10-free-code_GM479516143.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/how-to-hack-to-get-robux-on-computer_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-coinmaster-spins_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-download_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/hackear-roblox-android_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-groups-that-give-free-robux_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/no-human-verification-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/chinese-free-roblox_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_off0000312a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x312A 22592 bytes
SHA-256: b4b6327a4e2f12d3afc1afb35731bf22a5a9d7071faaf5ebeb924bf7693f387f
font_01_sfnt_off000063c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63C7 18912 bytes
SHA-256: 69690206b1bc63f3ee1f3b2ddbcb7acb6ea37210e0e62d4fc3442f230c688db9

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