Malicious PDF — malware analysis report

Static analysis result for SHA-256 462850f78575e3d6…

MALICIOUS

PDF

34.0 KB Created: 2021-06-30 07:55:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: dd3344808311206d1503e188271e1faa SHA-1: 0c0230559576be8478e2a3fc09e4682ab0d9cf38 SHA-256: 462850f78575e3d6d3df10e42c73a799599f2ed14f8c7d8f224af373d2a78b4d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a high-confidence heuristic indicating it links to a 'free generator / game hack' redirector, specifically http://netcdn.co/app/431946152/objet-roblox-free-game-hack. This lure, combined with the ML classifier flagging the PDF as malicious, strongly suggests an attempt to trick users into visiting a site that likely hosts malware or phishing content. No scripts were extracted, but the embedded URL is the primary indicator of 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/objet-roblox-free-game-hack PDF link annotation
    • http://shoruq.sch.ae/userfiles/files/free-online-coding-courses-for-kids-roblox_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/coin-master-latest-version-hack_GM406889139.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/discord-free-old-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/coin-master-apk-hack-35-8_GM406889139.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/free-robux-glitch-2021_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/minecraft-115-2-hacks_GM479516143.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/minecraft-free-computer-game_GM479516143.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/roblox-t-shirt-free_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/coin-master-free-pin_GM406889139.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/free-roblox-outfits-2021_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/pubg-600-uc-in-indian-rupees_GM1330123889.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/free-spins-coin-master-daily_GM406889139.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/cloudbux-net-roblox-hack_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/how-to-get-free-spins-and-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/coin-master-homepage_GM406889139.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/how-to-get-free-robux-easy_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/coin-master-free-spin-link-today-50_GM406889139.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/coin-master-apk-hack-2021_GM406889139.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/how-do-you-get-free-robux-on-laptop_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/how-to-get-free-robux_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_off00002dff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DFF 22412 bytes
SHA-256: 6787aea8d2221d9d2cad389f6ba283b0fe806ed24cc18e3f3b942aed25be8843
font_01_sfnt_off00005ffe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FFE 18944 bytes
SHA-256: 21a0751970feba6d999e0468d81fb456ea0c8f83b739943b9830bc2405183bc3

Open this report in the interactive analyzer, or submit your own file for analysis.