Malicious PDF — malware analysis report

Static analysis result for SHA-256 33560c24d144a222…

MALICIOUS

PDF

48.4 KB Created: 2021-06-03 08:27:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 98a788032ed5e817004d568471c3db75 SHA-1: 77e8fea535a234f0b05d2b7857401b17f6de4a95 SHA-256: 33560c24d144a222b6b9a62898d41819725165911027a20efd6520027f25e3db
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 0.9796

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/how-to-get-free-robux-easy-hack-game-hack PDF link annotation
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/inappropriate-roblox-games_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/rbl-gg-free-robux_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/get-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/free-robux-app_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/coin-master-100-spin-hack_GM406889139.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/microsoft-robux_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/roblox-script-executor-free_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/roblox-group-free-robux_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/minecraft-life-hacks_GM479516143.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/how-to-get-free-robux-easy-hack_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/free-admin-roblox_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/pokemon-go-free-pokeballs-no-human-verification_GM1094591345.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/minecraft-dungeons-free-download-pc_GM479516143.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/free-gfx-roblox_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/free-spins-on-coin-master-app_GM406889139.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/coin-master-hack-here_GM406889139.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/coin-master-free-spins-link-fb_GM406889139.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/minecraft-free-download-ios_GM479516143.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000053dd.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x53DD 24984 bytes
SHA-256: 51f6341a67604d62fa1e8a13cf881d3acff0d7f0c6a4510525c22e760cc4e11a
font_01_sfnt_off00008db9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DB9 3112 bytes
SHA-256: 471f662098e83c5562504503f5e7603b336ca0957605358090bb98e15c7aed80
font_02_sfnt_off00009872.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9872 18860 bytes
SHA-256: ae4481784f2b59baf7f887bcc8933de4398304efe668e0a39e1c63b4066a7356

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