Malicious PDF — malware analysis report

Static analysis result for SHA-256 08302ce1c354b60c…

MALICIOUS

PDF

45.9 KB Created: 2021-06-03 07:30:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: b5b969aca01654929135e62834e77f51 SHA-1: 179ee64dc3b0f8ae2d559626a13d3e7d95de0b29 SHA-256: 08302ce1c354b60cc95312ea1761787a65993e4732663034b7e1a5d85c8d4174
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 0.9864

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 https://netcdn.online/app/431946152/old-roblox-accounts-for-free-game-hack PDF link annotation
    • http://wadimor.co.id/media/imagesfiles/free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/coin-master-daily-free-spins-hack_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-do-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/coin-master-free-spins-link-blogspot-2021_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/coin-master-daily-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/ww-robux_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/easy-ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/pokemon-go-x-free-download_GM1094591345.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/oprewards-com-earn_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/download-hack-coin-master-apk_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/hack-coin-master-net_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/roblox-apocalypse-rising-hack_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/cm-free-spins_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/minecraft-java-free-account_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/get-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/free-coins-coin-master-blog_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-to-get-free-skins-in-minecraft_GM479516143.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
stream_004_off0000507a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x507A 28176 bytes
SHA-256: b938ed534d7779a96d531153eb4d128409f133a846f0092e309749f7d68780a3
font_01_sfnt_off0000908f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x908F 18368 bytes
SHA-256: f0ce6b820c45e6e2988b5e2b6f1fd71f334d25f96e0178b7a1255a1417217111

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