Malicious PDF — malware analysis report

Static analysis result for SHA-256 d4e2933e120e01ce…

MALICIOUS

PDF

36.1 KB Created: 2021-07-04 05:50:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 8e1bcc981bbb1a3d52b9164cce345e4c SHA-1: 7cf0c501eb2dff428e25572036ff31dfb8ef6fab SHA-256: d4e2933e120e01ceabdb0d873445dfb366755fb107161e821dacbe1ea05032db
82 Risk Score

Malware Insights

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

The PDF document contains a prominent link to a website offering game hacks and in-game currency, identified by heuristics as a lure for scams. The document body and extracted URLs reinforce this theme, suggesting the primary goal is to redirect users to potentially malicious sites. No scripts were extracted, but the presence of a malicious link and the lure indicate a high likelihood of a phishing or scam attempt.

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.tw/app/406889139/free-spins-and-coins-for-coin-master-game-game-hack PDF link annotation
    • https://www.ferraroni.net/public/risorse/ck/files/how-to-use-speed-hack-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.ferraroni.net/public/risorse/ck/files/bloxawards-com-earn-free-robux_GM431946152.pdfIn PDF document text
    • https://www.ferraroni.net/public/risorse/ck/files/how-to-hack-to-get-robux-in-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.ferraroni.net/public/risorse/ck/files/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://www.ferraroni.net/public/risorse/ck/files/roblox-hack-app_GM431946152.pdfIn PDF document text
    • https://www.ferraroni.net/public/risorse/ck/files/oprewards-login_GM431946152.pdfIn PDF document text
    • https://www.ferraroni.net/public/risorse/ck/files/spero-robux-hack_GM431946152.pdfIn PDF document text
    • https://www.ferraroni.net/public/risorse/ck/files/who-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.ferraroni.net/public/risorse/ck/files/coin-master-free-coins-and-spins-group_GM406889139.pdfIn PDF document text
    • https://www.ferraroni.net/public/risorse/ck/files/how-to-get-free-clothes-in-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.ferraroni.net/public/risorse/ck/files/how-to-hack-admin-in-any-roblox-game_GM431946152.pdfIn PDF document text
    • https://www.ferraroni.net/public/risorse/ck/files/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.ferraroni.net/public/risorse/ck/files/free-robux-and-tix-generator-online-no-survey_GM431946152.pdfIn PDF document text
    • https://www.ferraroni.net/public/risorse/ck/files/como-tener-robux-gratis-en-roblox-2021-sin-hack_GM431946152.pdfIn PDF document text
    • https://www.ferraroni.net/public/risorse/ck/files/scary-larry-roblox_GM431946152.pdfIn PDF document text
    • https://www.ferraroni.net/public/risorse/ck/files/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • https://www.ferraroni.net/public/risorse/ck/files/working-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • https://www.ferraroni.net/public/risorse/ck/files/roblox-pick-a-side-money-hack_GM431946152.pdfIn PDF document text
    • https://www.ferraroni.net/public/risorse/ck/files/cheats-for-roblox-on-phone_GM431946152.pdfIn PDF document text
    • https://www.ferraroni.net/public/risorse/ck/files/free-roblox-dominus_GM431946152.pdfIn PDF document text
    • https://www.urcouponsdeal.com/2019/03/coin-master-free-spin-and-coin-links.htmlIn 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_off00003634.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3634 22900 bytes
SHA-256: a0ee11830a7299d7f2e92d57a7d868d49ef207b43ddf16e5c9d22259487d2c5e
font_01_sfnt_off00006999.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6999 18608 bytes
SHA-256: 31982f023cf9e8334e0247a56239ce43a369afef10c4502d97e5781750ca878f

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