Malicious PDF — malware analysis report

Static analysis result for SHA-256 391842d27bcd8233…

MALICIOUS

PDF

33.5 KB Created: 2021-06-18 07:27:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 2af5bed26b8cbbbc9f59a9d6fb6e2d91 SHA-1: 1124c468feb2025106bb409c6810598ecf7b16d7 SHA-256: 391842d27bcd8233ab340feecec298b4bd89fb11945faea75c12899e0346c972
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a link to a website advertising game hacks and cheats, specifically for Roblox and Cheat Engine. This lure is designed to entice users to click the link, which likely leads to the download of a malicious payload. The ML classifier also strongly indicated maliciousness.

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-and-cheat-engine-game-hack PDF link annotation
    • http://jdlrelocation.com/images/roblox-hacking-script-2021_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/how-to-hack-into-nay-roblox-account-2021_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/free-spins-on-coin-master-game_GM406889139.pdfIn PDF document text
    • http://jdlrelocation.com/images/a-free-robux-site-that-actually-works_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/get-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
    • http://jdlrelocation.com/images/free-robux-pastebin_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/how-to-get-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://jdlrelocation.com/images/roblox-free-robux-com_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/game-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://jdlrelocation.com/images/hack-game-plus-com-coin-master_GM406889139.pdfIn PDF document text
    • http://jdlrelocation.com/images/minecraft-pocket-edition-free-apk_GM479516143.pdfIn PDF document text
    • http://jdlrelocation.com/images/coin-mast-hacks_GM406889139.pdfIn PDF document text
    • http://jdlrelocation.com/images/roblox-www-com_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/coin-master-link-for-spins_GM406889139.pdfIn PDF document text
    • http://jdlrelocation.com/images/roblox-apk-hack_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/can-i-get-free-robux_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/free-robux-now_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/daily-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://jdlrelocation.com/images/get-free-cards-for-coin-master_GM406889139.pdfIn PDF document text
    • http://jdlrelocation.com/images/haktutsin-2021-09-coinmaster50freespinandcoinlinkhtml-m-1_GM406889139.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_off00002e1a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E1A 21752 bytes
SHA-256: 8b8a40f3289a09c5121164507adf596b00bcde24145b1c5dba23c80f389708cf
font_01_sfnt_off00005e3b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E3B 18864 bytes
SHA-256: a52fdb0a1764449e5ceab07df498d9ca6e9e2a7dd987184a67e3a0396fc69bd0

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