PDF static analysis report

Static analysis result for SHA-256 50cb7a04dbee7ec1…

SUSPICIOUS

PDF

34.4 KB Created: 2021-07-02 03:18:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 44e877027e6c50053b2938aa06727dd6 SHA-1: 0660cc054cb33f58e4895f678aba6d0372c1d24a SHA-256: 50cb7a04dbee7ec14bce02b2b5deaded346a8ea3260fa17e8c12b2b9fbd21e9f
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a document body that promotes a '2021 Robux For Free' hack, indicating a phishing or scam attempt. The ML classifier strongly flagged this PDF as malicious. The presence of external URIs suggests an attempt to redirect the user to a download site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • 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/431946152/2021-robux-for-free-game-hack PDF link annotation
    • https://opac.heritagejkt.org//repository/free-robux-just-click_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/coin-master-village-4_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/how-long-shold-the-account-stealing-hack-on-roblox-last_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/7-year-old-roblox_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/free-robux-december-hack_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/roblox-hackeado-con-robux-infinitos_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/how-to-hack-coins-in-archery-master-3d_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/robux-fun-hack_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/free-robux-no-survey-or-deals_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/game-roblox-free-play_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/free-minecraft-server-maker_GM479516143.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/crib-roblox-hacks_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/hack-coin-master-net_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/coin-master-hack_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/how-do-you-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/why-do-robux-hacks-ask-for-verification_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/hacking-for-games-on-android-roblox_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/roblox-console-hacks_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/earn-robux-sites_GM431946152.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003044.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3044 22084 bytes
SHA-256: 770fb982e51dd7a30bb085be7b7149565d331b337c083801ede876e04647e54b
font_01_sfnt_off00006150.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6150 19116 bytes
SHA-256: 46b6d0275138487d24ca16497f636915a6275a54ce4394516224517765e536f7

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