Malicious PDF — malware analysis report

Static analysis result for SHA-256 e14ab30dce6a31a3…

MALICIOUS

PDF

34.8 KB Created: 2021-06-30 06:43:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 0ea26fd3809dc7ab1a2aaffe86b047b8 SHA-1: 34b4c01d74573e29315ecab8e9d6ce9ed370b747 SHA-256: e14ab30dce6a31a3aab3caac79ff1cacce6e945a7f53e2ee054274eb5c90cdbd
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/roblox-roblox-free-game-hack PDF link annotation
    • https://maximabm.com/uploaded_files/userfiles/files/coin-master-free-codes_GM406889139.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/cheat-granny-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.maximabm.com/uploaded_files/userfiles/files/roblox-script-free-sword_GM431946152.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/how-to-get-free-mods-in-minecraft_GM479516143.pdfIn PDF document text
    • https://www.maximabm.com/uploaded_files/userfiles/files/coin-master-spin-free_GM406889139.pdfIn PDF document text
    • https://www.maximabm.com/uploaded_files/userfiles/files/how-to-get-free-robux-no-inspect-or-human-verification_GM431946152.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/free-roblox-gift-card-codes_GM431946152.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/robux-hack-2021-apk-download_GM431946152.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/coin-master-free-spin-app-reviews_GM406889139.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/roblox-render-free_GM431946152.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/can-you-get-arested-for-having-a-roblox-hacker-group_GM431946152.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/roblox-dominus-free_GM431946152.pdfIn PDF document text
    • https://www.maximabm.com/uploaded_files/userfiles/files/roblox-cheat-engine-robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://www.maximabm.com/uploaded_files/userfiles/files/roblox-premium-free_GM431946152.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/free-roblox-generator_GM431946152.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/how-to-hack-roblox-for-robux-2021-without-human-verification_GM431946152.pdfIn PDF document text
    • https://www.maximabm.com/uploaded_files/userfiles/files/free-roblox-money-hacks_GM431946152.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/claim-gg-free-robux_GM431946152.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/how-to-hack-into-peoples-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • https://www.maximabm.com/uploaded_files/userfiles/files/free-minecraft-skin-packs_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
font_00_sfnt_off00003224.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3224 22420 bytes
SHA-256: be1f6054a68768d1bbb531427408accc514002392de31829e7b0b0787975e158
font_01_sfnt_off00006412.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6412 18652 bytes
SHA-256: 3b7ad0687cc38916e9ed387441e9d99f27df67e188eb0367be00fbed64432edc

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