Malicious PDF — malware analysis report

Static analysis result for SHA-256 0fefc7052a252710…

MALICIOUS

PDF

34.2 KB Created: 2021-07-05 09:08:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: af35eac50f2939de68ae7f91d33d0e16 SHA-1: c2b2c7cc259641f48bb433ef75ca9f32554ce920 SHA-256: 0fefc7052a252710fe88f2bb7cdebc7b9ebff913f291521eae0e8fa68616a877
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a lure for game hacks and free in-game currency, redirecting users to a malicious URL. The ML classifier strongly indicated maliciousness, and the PDF heuristics confirm the redirection to a suspicious domain. No scripts were extracted, but the document's content and embedded URLs suggest a phishing or malware distribution attempt.

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.tw/app/406889139/free-spin-coin-master-instagram-game-hack PDF link annotation
    • https://itamleek.net/uploaded_files/userfiles/files/how-to-get-free-robux-inspect-element-2021_GM431946152.pdfIn PDF document text
    • https://itamleek.net/uploaded_files/userfiles/files/roblox-free-download_GM431946152.pdfIn PDF document text
    • https://itamleek.net/uploaded_files/userfiles/files/free-robux-com_GM431946152.pdfIn PDF document text
    • https://itamleek.net/uploaded_files/userfiles/files/facebook-coin-master_GM406889139.pdfIn PDF document text
    • https://itamleek.net/uploaded_files/userfiles/files/how-to-get-free-robux-easy-no-download_GM431946152.pdfIn PDF document text
    • https://itamleek.net/uploaded_files/userfiles/files/free-robux-co_GM431946152.pdfIn PDF document text
    • https://itamleek.net/uploaded_files/userfiles/files/roblox-arcane-adventures-hack-script_GM431946152.pdfIn PDF document text
    • https://itamleek.net/uploaded_files/userfiles/files/how-to-get-free-robux-no-clickbait_GM431946152.pdfIn PDF document text
    • https://itamleek.net/uploaded_files/userfiles/files/get-more-robux_GM431946152.pdfIn PDF document text
    • https://itamleek.net/uploaded_files/userfiles/files/freecoins_GM406889139.pdfIn PDF document text
    • https://itamleek.net/uploaded_files/userfiles/files/bloxpage-free-robux_GM431946152.pdfIn PDF document text
    • https://itamleek.net/uploaded_files/userfiles/files/free-coin-master-spins_GM406889139.pdfIn PDF document text
    • https://itamleek.net/uploaded_files/userfiles/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • https://itamleek.net/uploaded_files/userfiles/files/how-to-hack-teleport-a-player-in-roblox_GM431946152.pdfIn PDF document text
    • https://itamleek.net/uploaded_files/userfiles/files/get-everybodys-money-hack-roblox-adopt-me_GM431946152.pdfIn PDF document text
    • https://itamleek.net/uploaded_files/userfiles/files/youtube-roblox-free-robux-without-downloads-legit-2021-urban420-network_GM431946152.pdfIn PDF document text
    • https://itamleek.net/uploaded_files/userfiles/files/robux-hack-free-robux_GM431946152.pdfIn PDF document text
    • https://itamleek.net/uploaded_files/userfiles/files/roblox-hack-codes_GM431946152.pdfIn PDF document text
    • https://itamleek.net/uploaded_files/userfiles/files/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://itamleek.net/uploaded_files/userfiles/files/minecraft-java-account-free_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_off00002f9e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F9E 22828 bytes
SHA-256: 30bd40d4ba9d420365b0388bac03b05798de7ed6143b88ac2d58bfbb468992d2
font_01_sfnt_off000062ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62AD 18432 bytes
SHA-256: 6239b29cefe2ef645b0ddfa2e4a48b335d7d861794539a50a9bab712691d9f2e

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