Malicious PDF — malware analysis report

Static analysis result for SHA-256 c89664424db44550…

MALICIOUS

PDF

34.5 KB Created: 2021-06-19 10:01:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: f37d333b63964aeae527b05f92272a98 SHA-1: 21520fd0e7b1bb3af26561aa49bc956748d21d1a SHA-256: c89664424db445506b8fa4e77e6a6e9a9e054cde145223d931e1ed6bbf7196c6
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.co/app/431946152/my-account-free-robux-game-hack PDF link annotation
    • http://daskrimti-jabar.web.id/library//repository/free-coin-master-cards-link_GM406889139.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/minecraft-font-free_GM479516143.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library//repository/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/get-free-robux-info_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/roblox-highschool-hack_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/wurst-18_GM479516143.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/haktuts-coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/how-to-hack-roblox-tycoon-money_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/hack-coin-master-apk-2021_GM406889139.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library//repository/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/best-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library//repository/free-printable-roblox-images_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library//repository/minecraft-hack-app_GM479516143.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library//repository/coin-master-tricks-and-hacks_GM406889139.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/roblox-builders-club-free_GM431946152.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library//repository/get-free-food-in-coin-master_GM406889139.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library//repository/coin-master-hack-tuts_GM406889139.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library//repository/coin-master-32-hack-apk-download_GM406889139.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/links-to-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://daskrimti-jabar.web.id/library/repository/free-coin-master-spins-without-human-verification_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_off0000312e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x312E 21736 bytes
SHA-256: a4259c7fcd7f57f9846db09f416b0551a828a1215f3e3a87fd5d6920fab87a3a
font_01_sfnt_off00006132.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6132 19196 bytes
SHA-256: 66ea00c596ec3a93563d25c1835eb0774f009229653ebd002dfe6189dc3d3d24

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