PDF static analysis report

Static analysis result for SHA-256 4b372f613adba2e1…

SUSPICIOUS

PDF

34.8 KB Created: 2021-07-05 14:01:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 812302b18e592640488dee8f923c1d83 SHA-1: 938dc389b9695b58a68ef3ee8ad9c997c512bfb4 SHA-256: 4b372f613adba2e120e45dc85478b3071596c2e4cc5deeb34b35f6e22f7043d4
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains lures for game hacks and exploits, specifically mentioning "Coin Master Unlimited Spin Hack Apk" and linking to external URLs that likely host malicious content. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to trick users into downloading potentially harmful software. No scripts were extracted, but the document's content and embedded URLs strongly suggest a phishing or social engineering attack.

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.tw/app/406889139/coin-master-unlimited-spin-hack-apk-game-hack PDF link annotation
    • http://elib.upiyptk.ac.id/opac//repository/how-to-hack-golden-card-in-coin-master_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/cheat-apocalypse-rising-roblox_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/nuevo-hack-para-atravesar-paredes-actualizado-roblox-2021_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/cm-free-spins_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/coin-master-hack-september-2021_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/how-to-get-free-robux-on-roblox-with-builders-club_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/roblox-blood-t-shirt-free_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/google-play-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/free-robux-games-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/apps-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/how-to-get-roebucks-on-roblox_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/how-to-ban-people-on-roblox-hack-script_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/free-robux-com-real_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/free-remy-roblox-id_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/roblox-hack-com_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/royalty-free-music-one-sirius-beats-roblox-id_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/freespinandcoin-blogspot-coin-master_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/free-spins-on-coin-master-hack_GM406889139.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_off00003200.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3200 22236 bytes
SHA-256: b9f350fe7755afa9dc4a9087335682ac856eb6fb36c4ace8a71f2439e846eca7
font_01_sfnt_off0000636b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x636B 18876 bytes
SHA-256: 7e2ee907f2feac738be75e17c27693a65f159ea6ad788202b30771c529da622a