Malicious PDF — malware analysis report

Static analysis result for SHA-256 67955884e6f5a0af…

MALICIOUS

PDF

35.0 KB Created: 2021-07-03 18:11:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04
MD5: adbcc6334352175bab9e3db1eab4566e SHA-1: 272878ab9a89ab1328ba295042accea1afbc8129 SHA-256: 67955884e6f5a0af6d45828f722f42de948b3a45ac24c16d3ba5e36ca504c49a
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.tw/app/431946152/roblox-hack-download-pc-game-hack PDF link annotation
    • http://stiepariperpus.web.id/sarjana/repository/cheat-codes-desert-treasure-quest-for-on-roblox_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/free-spins-on-coin-master-links-2021_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/coin-master-free-card-link-today_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/application-pour-hacker-roblox_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/coin-master-hack-apk-online_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/free-minecraft-alts_GM479516143.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/roblox-one-piece-millenium-hack-devil-fruit_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/working-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/get-me-free-robux_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/coin-master-spins-hack-2021_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/freespincoin-masterlinkdownload_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/mcpe-client_GM479516143.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/free-account-roblox-with-robux_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/roblox-legends-of-speed-hack-script-pastebin_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/roblox-atack-on-titan-hack_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/coinmaster-spin-ml-link_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/robux-hack-app-download_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/free-robux-working_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/free-robux-no-human-verification-2021-website_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/how-to-get-free-robux-on-roblox-youtube_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_off00002fbe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FBE 22764 bytes
SHA-256: af67829406569bb7d31231da53d8347db91e1251f27e95aa5de84bd52c33ecb3
font_01_sfnt_off000062b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62B3 19316 bytes
SHA-256: f7e1569b35dd9ea38dfb046f4486bccf47f5ffb509dcfc8bcbaa088fb7facdac

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