PDF static analysis report

Static analysis result for SHA-256 c4bbdaa1d7605323…

SUSPICIOUS

PDF

34.1 KB Created: 2021-06-28 10:11:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 1c4167d2e88663171e2db3ef9ba77703 SHA-1: a1bb0eae6d932fdde840a7dc864655ad12dafbcb SHA-256: c4bbdaa1d760532319a2b5cbef1455a1dd623dd3a243069c54c6e1774102053a
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains embedded URLs and text promoting 'hacks' for popular games like Roblox and Coin Master, indicating a lure for users seeking cheats. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs suggests an attempt to redirect the user to a potentially harmful website. No scripts were extracted, but the overall structure and content point to a phishing or malware distribution attempt.

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/how-to-hack-roblox-robux-easy-game-hack PDF link annotation
    • https://weddingcards-expert.tw/upload/files/coin-master-attack-madness-hack_GM406889139.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/freerobuxklub_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/free-hat-hack-roblox_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/minecraft-cheats-switch_GM479516143.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/is-minecraft-free-on-switch_GM479516143.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/coin-master-hack-no-verification-ios_GM406889139.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/free-robux-gift-card-codes_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/free-free-robux_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/roblox-comcom_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/free-coins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/how-to-get-roebucks-on-roblox_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/roblox-console-hacks_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/coin-master-free-spins-app_GM406889139.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/pokemon-go-free-pokeballs-2021_GM1094591345.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/is-roblox-builders-club-free_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/free-robux-generator-without-verification_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/pubg-uc-buy-free_GM1330123889.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/how-to-change-roblox-name-free-2021_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/free-robux-jail-break_GM431946152.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_off00002d08.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D08 22608 bytes
SHA-256: 694b2562ae3f229fcfc5acf77a04b718df5fb6c5287e27bab975e49f300d7599
font_01_sfnt_off00005fb6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FB6 19140 bytes
SHA-256: 0a345c09a1eb8f15aa1f30925fd2791136ce51496660985e74512759fd29910d