Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ba149e44c28aed0…

MALICIOUS

PDF

36.0 KB Created: 2021-06-30 10:47:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: be1c0ca680c80eca588be451cc017d27 SHA-1: 77bbf348ffa004367577fe139531c1008595a219 SHA-256: 0ba149e44c28aed0fbcc30e95aa4abd7adfcfb086224037697da8ce89b899a15
82 Risk Score

Malware Insights

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

The PDF document contains multiple embedded links, including one pointing to 'netcdn.co' which is flagged as a lure for game hacks. The ML classifier also strongly indicated maliciousness. The document body and heuristics suggest the primary goal is to redirect the user to a site offering game cheats or generators, which is a common lure for malware distribution or phishing.

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/apple-hack-online-roblox-game-hack PDF link annotation
    • https://www.labdagatismk1pundong.com/repository/roblox-2021-hack_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-robux-no-offers_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/robux-generator-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/links-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-robux-hack-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-robux-group-payouts_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/hack-de-roblox-lumber-tycoon-2_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/roblox-red-hoodie-free-now_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/como-hackear-juego-coin-master_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/how-to-get-items-in-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/aimbow-hack-fr-roblox-strucid_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/how-do-you-earn-robux-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/roblox-com-free-robux-obby_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/spin-link-coin-master_GM406889139.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/daily-coin-master-free-spin-apk_GM406889139.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/boku-no-roblox-hack_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-robux-promo-codes-real_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/how-i-get-free-robux-meme_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_off00003640.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3640 22396 bytes
SHA-256: 10db8dcf790b73a742bc9ad2fccb1b9402cdd2686a321ee4807f348e16f08639
font_01_sfnt_off0000683a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x683A 18952 bytes
SHA-256: b7f83e977fec6c10032e9b18ba0ecea7a7db5cd5df5d340a58de6d5fae974101

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