Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae4d014f481c223f…

MALICIOUS

PDF

34.3 KB Created: 2021-06-22 15:44:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 01a911d1330521154c2581dfe562b3c9 SHA-1: ded0f9e97078e8766c48989ebabec7105cb4bbde SHA-256: ae4d014f481c223f8dc8a8e3f8b8ca7c277388e1802582785f7d19aa1dd06fef
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/get-free-robux-generator-game-hack PDF link annotation
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/free-google-play-promo-codes-coin-master_GM406889139.pdfIn PDF document text
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/minecraft-pe-apk-free-download_GM479516143.pdfIn PDF document text
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/free-coin-master-app_GM406889139.pdfIn PDF document text
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/free-t-shirt-on-roblox_GM431946152.pdfIn PDF document text
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/how-to-get-unlimited-robux-2021_GM431946152.pdfIn PDF document text
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/coin-master-spins-hack-2021_GM406889139.pdfIn PDF document text
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/www-claim-gg-to-earn-free-robux_GM431946152.pdfIn PDF document text
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/robux-and-tix-no-hack_GM431946152.pdfIn PDF document text
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/free-clothes-roblox-2021_GM431946152.pdfIn PDF document text
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/roblox-hack-2021-android_GM431946152.pdfIn PDF document text
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/draw-it-roblox-cheat_GM431946152.pdfIn PDF document text
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/coin-master-website_GM406889139.pdfIn PDF document text
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/coin-master-free-link-2021_GM406889139.pdfIn PDF document text
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/daily-free-spins-and-coins-coin-master_GM406889139.pdfIn PDF document text
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/como-hackear-coin-master-espaol_GM406889139.pdfIn PDF document text
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/daily-coin-master-free-spin-link-facebook_GM406889139.pdfIn PDF document text
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/make-free-robux_GM431946152.pdfIn PDF document text
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/free-unlimited-coin-master-400-spin-link_GM406889139.pdfIn PDF document text
    • https://man2pamekasan.sch.id/__statics/gudangsoal/files/can-i-get-robux-for-free_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_off000031fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31FB 21652 bytes
SHA-256: 1b700330bc33513fb9a7916ef9992fd0079466244f6629055e0ee99bdb7b3f57
font_01_sfnt_off00006197.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6197 18820 bytes
SHA-256: 3cf5f9b00a39f0cfcbee830171857ad484f6534b8809920e240be9eaf31d3faa

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