Malicious PDF — malware analysis report

Static analysis result for SHA-256 5917ced5e5ca7466…

MALICIOUS

PDF

35.3 KB Created: 2021-06-26 21:58:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 3d47c3f68e626e173ec92e65f9704e41 SHA-1: d251a2b0e2fa2f31e50617ab6aa5decfe7977a91 SHA-256: 5917ced5e5ca74666ed3e51a6ac405d3dd418b87e3ca26c9a436f82778905408
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/ninja-zone-hacks-roblox-game-hack PDF link annotation
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/spin-coin-master-free_GM406889139.pdfIn PDF document text
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/free-robux-2021-no-waiting-instant-no-inspect_GM431946152.pdfIn PDF document text
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id//repository/coin-master-hack-2021-apk_GM406889139.pdfIn PDF document text
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/free-coin-master-hacks-no-verification_GM406889139.pdfIn PDF document text
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/roblox-hack-2021-free-robux-generator-working-method-scratch_GM431946152.pdfIn PDF document text
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/coin-master-hack-apk-july-2021_GM406889139.pdfIn PDF document text
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/how-to-hack-the-roblox-piano_GM431946152.pdfIn PDF document text
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/free-robux-pastebin_GM431946152.pdfIn PDF document text
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/coinmaster-rewards_GM406889139.pdfIn PDF document text
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id//repository/hack-coin-master-no-human-verification_GM406889139.pdfIn PDF document text
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/hacked-roblox-accounts-list_GM431946152.pdfIn PDF document text
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id//repository/robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/roblox-noclip-hack-2021_GM431946152.pdfIn PDF document text
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/devil-roblox-tshirt-free_GM431946152.pdfIn PDF document text
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/dbo-roblox-stats-hack_GM431946152.pdfIn PDF document text
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/roblox-zombie-rush-hack-script_GM431946152.pdfIn PDF document text
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/pokemon-go-free-coin-promo-code_GM1094591345.pdfIn PDF document text
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/free-robux-glitch-march-2021_GM431946152.pdfIn PDF document text
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/luis1-coment-robux-free_GM431946152.pdfIn PDF document text
    • https://digilib-ppkn.stkip-pgri-sumbar.ac.id/repository/ww-roblox-come_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000033c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33C9 22236 bytes
SHA-256: 54db56d77eaead215c41883b5a3d7ca8c8e39296fccb1f71986680c8007a86b3
font_01_sfnt_off00006509.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6509 19056 bytes
SHA-256: 262da45abf06c332972f1e9b8ed71a58a71de3b1fa35b722f0f701dd887e7b06

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