Malicious PDF — malware analysis report

Static analysis result for SHA-256 325376cb7fd510c5…

MALICIOUS

PDF

33.8 KB Created: 2021-06-19 15:48:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: de972cbcb959c968ef5d4e1b766a82ce SHA-1: 2df7ef69ca11aea7174c3dc327c56969681327aa SHA-256: 325376cb7fd510c5a7e6dc27a2c48920c08a16450367192ed7bfdaea02ed0f5a
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/roblox-free-d-game-hack PDF link annotation
    • http://elitesoftsolutions.com/images/how-to-get-free-spins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/tiktok-followers-free-2021_GM835599320.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/minecraft-for-laptop-free_GM479516143.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/free-roblox-script-executor-2021_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/minecraft-com-free_GM479516143.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/free-tiktok-followers-instantly_GM835599320.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/free-robux-sites-that-work_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/free-roblox-accounts-with-robux-list_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/best-free-roblox-outfits_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/codes-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/roblox-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/no-promises-cheat-codes-roblox-id_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/how-to-get-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/free-script-executor-roblox_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/what-tiktok-free-will_GM835599320.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/roblox-free-play-no-download_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/elektronomia-free-roblox_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/roblox-meme-hack-2021_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/coin-master-apk_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/all-offsale-free-items-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_off00002db5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DB5 22268 bytes
SHA-256: 191093e012d2c7dc58371384c0c5a1d81a707fdfa1308cf79f4334dca0673240
font_01_sfnt_off00005f94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F94 18816 bytes
SHA-256: 24721084a82e5eddbba51a7f25410eb932ce919464cb80fa2d697904acf91a17

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