PDF static analysis report

Static analysis result for SHA-256 556ac7b35491ace4…

SUSPICIOUS

PDF

42.6 KB Created: 2021-05-19 22:17:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 0282eef39db647987c45ece1fc4e5cad SHA-1: aae826bba592684cf76acb58c66e527b73b57a54 SHA-256: 556ac7b35491ace4b4f30a3ab5d3c6807f33963f53159e9bb81d0191e931a76d
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ML classifier strongly indicated maliciousness, and the document contains numerous embedded URLs pointing to game-related cheats and free item generators. The presence of a 'download' button heuristic further supports the lure of downloading potentially unwanted or malicious files. No scripts were extracted, but the overall pattern suggests a phishing or social engineering attempt to trick users into downloading malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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 https://netcdn.xyz/app/431946152/grabpoints-robux-game-hack PDF link annotation
    • http://charivne.info/ckfinder/userfiles/files/master-game_GM406889139.pdfIn PDF document text
    • http://charivne.info/ckfinder/userfiles/files/get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://charivne.info/ckfinder/userfiles/files/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdfIn PDF document text
    • http://charivne.info/ckfinder/userfiles/files/www-coin-master_GM406889139.pdfIn PDF document text
    • http://charivne.info/ckfinder/userfiles/files/coin-master-daily-free-spins-link-facebook_GM406889139.pdfIn PDF document text
    • http://charivne.info/ckfinder/userfiles/files/hacks-for-roblox-prison-life_GM431946152.pdfIn PDF document text
    • http://charivne.info/ckfinder/userfiles/files/free-roblox-hair-girl_GM431946152.pdfIn PDF document text
    • http://charivne.info/ckfinder/userfiles/files/coin-master-free-spins-hack_GM406889139.pdfIn PDF document text
    • http://charivne.info/ckfinder/userfiles/files/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://charivne.info/ckfinder/userfiles/files/how-to-get-free-spins-on-coin-master-game_GM406889139.pdfIn PDF document text
    • http://charivne.info/ckfinder/userfiles/files/coin-master-attack-hack-apk_GM406889139.pdfIn PDF document text
    • http://charivne.info/ckfinder/userfiles/files/how-do-u-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://charivne.info/ckfinder/userfiles/files/weird-roblox_GM431946152.pdfIn PDF document text
    • http://charivne.info/ckfinder/userfiles/files/coin-master-free-link-2021_GM406889139.pdfIn PDF document text
    • http://charivne.info/ckfinder/userfiles/files/coin-master-game-hack_GM406889139.pdfIn PDF document text
    • http://charivne.info/ckfinder/userfiles/files/coin-master-free-coins-and-spins-app_GM406889139.pdfIn PDF document text
    • http://charivne.info/ckfinder/userfiles/files/coin-master-hack-ios-jailbreak_GM406889139.pdfIn PDF document text
    • http://charivne.info/ckfinder/userfiles/files/pubg-uc-voucher-redeem_GM1330123889.pdfIn PDF document text
    • http://charivne.info/ckfinder/userfiles/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://charivne.info/ckfinder/userfiles/files/coin-master-spin-link-free-download_GM406889139.pdfIn PDF document text
    • https://robuxhaxs.comIn 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
stream_003_off00004899.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4899 25376 bytes
SHA-256: c3af9674e13a9abd8a83e42e55d996d0ac4c9ef2ea3c30166712abc5d8b1c3da
font_01_sfnt_off00008386.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8386 18480 bytes
SHA-256: 81e4f6a1b4c560ff48fa89910fbd01a1bd1019ab61c59202556c2e43fcf333ec